Category: Technology Research

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NASA Researcher Honored by Goddard Tech Office for Earth Science Work

Source: NASA

Goddard researcher Dr. Antonia Gambacorta the 2023 IRAD Innovator of the Year for her work developing hyperspectral microwave technology to dissect Earth’s atmosphere from orbit.

Earth science researcher Dr. Antonia Gambacorta earned the 2023 Goddard IRAD Technology Leadership award for pioneering new ways to measure lower layers of Earth’s atmosphere from space.
The award from the chief technologist of NASA’s Goddard Space Flight Center in Greenbelt, Maryland, recognizes Gambacorta’s work demonstrating how hyperspectral microwave sounding, the measurement of hundreds of thousands of wavelengths of microwave light, could dissect Earth’s atmospheric planetary boundary layer (PBL). She also conceptualized a microwave photonics radiometer instrument to reveal these measurements.

The part of Earth’s atmosphere people live in, and have the most experience studying, is the hardest to measure from space due to the volume and complex behavior of the air above it, Gambacorta said. Developing the ability to probe and measure the boundary layer on a global, routine basis is important to better understanding its connections to the rest of our atmosphere, the land surface, and the oceans.
“The unique challenge of the PBL requires a novel path forward that will bring together traditionally disparate observing system components in order to enable transformative scientific advances in Earth system science,” said fellow researcher Joseph Santanello. “To that end, Dr. Gambacorta’s efforts extend beyond individual technology developments, and are represented in her aspirational vision of PBL sounding as ‘the tie that binds.’ Just as notably, Dr. Gambacorta’s passion, enthusiasm, and respect for her colleagues has been evident through each of stage of the project’s development.”
In seeking solutions to measure the boundary layer, Gambacorta stepped up to lead Goddard’s hyperspectral microwave projects and became the face of the center’s Decadal Survey Incubation (DSI) efforts. Through multiple Internal Research and Development, or IRAD grants, she and her team performed fundamental research to show the effectiveness of hyperspectral microwave sounding, conceptualized a microwave photonics radiometer instrument, and more recently began developing a framework to integrate data from multiple sensors for boundary layer science observations.

“Antonia’s innovation rises above her individual successes as a capable and creative innovator,” said Goddard Chief Technologist Peter Hughes. “She capitalized on multiple programs to incubate new technology while engaging expertise from across agencies and around the world to connect to other resources.”
Her cutting-edge innovations and research earned support from NASA’s Earth Science Technology Office and from the National Oceanic and Atmospheric Administration.
Specifically, Gambacorta built on her IRAD successes to secure an Earth Science Technology Office Instrument Incubator Program (IIP) project award to further develop her team’s microwave photonics radiometer concept and DSI funding to advance the multi-sensor fusion framework. Additionally, her momentum enabled a DSI-funded airborne instrument project attempting to transform CoSMIR, Goddard’s Conical Scanning Millimeter-wave Radiometer, into a hyperspectral sensor. That project is led by up-and-coming instrument scientist Rachael Kroodsma.
This entire portfolio that Gambacorta now manages also culminated in a successful NOAA Broad Agency Announcement proposal to demonstrate hyperspectral microwave radiometry. Through her engagement with colleagues in ESTO, NOAA, and the European Organisation for the Exploitation of Meteorological Satellites, Hughes said Goddard’s hyperspectral microwave and PBL initiatives are regarded globally as the trusted strategy for understanding the planetary boundary layer. Goddard is widely viewed as a pioneer in the use of integrated photonics for Earth remote sensing due to Gambacorta’s leadership, he added.
“Antonia serves as a true inspiration to the technologists and scientists on her teams,” her colleague Santanello added. “Her innovation and contribution to Goddard and the larger community can also be measured in each of these ways.”
By Karl B. Hille
NASA’s Goddard Space Flight Center, Greenbelt, Md.

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Previous NASA Awards for In Space Production Applications

Source: NASA

As of spring 2023, NASA has invested greater than $60M in more than twenty In Space Production Applications (InSPA) awards to U.S. entities seeking to demonstrate the production of advanced materials and products on the International Space Station.  These InSPA awards help the selected companies raise the technological readiness level of their products and move them to market, propelling U.S. industry toward the development of a sustainable, scalable, and profitable non-NASA demand for services and products manufactured in the microgravity environment of low-Earth orbit for use on Earth.

Flawless Photonics – Fabrication of Flawless Glass
Contact: Dr. Michael VestelFlawless Photonics of Los Altos Hills, California, in partnership with the University of Adelaide, Axiom Space, and Visioneering Space has been selected for their proposal to develop specialized glass manufacturing hardware to process Heavy-Metal Fluoride Glasses (HMFG) in microgravity. HMFG glasses are used in the terrestrial manufacturing of exotic optical fibers and other optics applications. Without convective forces present in 1g, HMFG made in microgravity are expected to achieve the ideal amorphous microstructure during synthesis, eliminating light scattering defects that limit lasing power and transmission over long fiber lengths.
Apsidal – Intelligent Glass Optics
Contact: Dr. Amrit DeApsidal LLC. of Los Angeles, California, is developing the IGO module to process various types of complex glasses in space from which optical fibers, fiber lasers, magnetic fibers, super-continuum sources, capillary optics and adiabatic tapers can be drawn. One of the key innovations is a custom Laser Doppler Sensor for real-time in-situ analysis and feedback control of the manufacturing process. Additionally, this technology is Artificial Intelligence (AI) assisted to be adaptive and to optimize production in a low Earth orbit (LEO) environment. The microgravity environment of space is needed as gravity-induced material convection and sedimentation in complex glasses on Earth subsequently leads to unwanted crystallization, thus creating defects which reduce performance. Market areas for products from this module include specialty fibers for low-loss and high bandwidth communications, high-power fiber-amplifiers, IR counter measures, supercontinuum sources, medical applications, remote sensing, X-ray optics, and laser processing.
Fiber Optic Manufacturing in Space – Space Fibers
Contact: Dr. Dmitry StarodubovFOMS Inc of San Diego, California, has developed a facility-class instrument for fiber fabrication in the microgravity environment to improve the quality of specialty optical fibers with the promise of up to 100x reduction in insertion loss due to the suppression of crystallization and phase separation. Two previous iterations of the facility have flown to the space station, with the third generation scheduled to launch on the 25th SpaceX cargo resupply services mission in May 2022.
Mercury Systems Torrance – Fiber Optic Production
Contact: Eric RuckerMercury Systems of Torrance, California, has developed a facility-class instrument for fiber fabrication in the microgravity environment to improve the quality of specialty optical fibers with the promise of up to two orders of magnitude reduction in insertion loss compared to traditional SiO2 fibers due to the suppression of crystallization and sedimentation. The first generation of the facility has flown to the space station producing over 90m of ZBLAN optical fiber from a fluorinated exotic glass preform composed of Zirconium, Barium, Lanthanum, Aluminum, and Sodium (ZrF4-BaF2-LaF3-AlF3-NaF). The second-generation FOP-2 launches on SpaceX CRS-25 in May 2022 using a nitrogen purge previously demonstrated in reduced gravity on a parabolic flight.
Redwire/Made In Space – Turbine Ceramic Manufacturing Module
Contact: Justin KuglerMade In Space of Jacksonville, Florida, a Redwire company, is developing the TCMM to provide proof-of-principal for single-piece ceramic turbine blisk (blade + disk) manufacturing in microgravity for terrestrial use. Launched in October 2020 on Northrop Grumman’s CRS-14 mission, TCMM successfully demonstrated ceramic additive manufacturing in space for the first time in history. TCMM was also the first demonstration of stereolithography ceramic fabrication in space. The project focuses on advanced materials engineering ultimately leading to reductions in part mass, residual stress, and fatigue. Strength improvements of even 1-2 percent, as a result of being manufactured in microgravity, can yield years to decades of superior service life. Market applications include high performance turbines, nuclear plants, or internal combustion engines.
Redwire/Made In Space – Turbine Superalloy Casting Module
Made In Space of Jacksonville, Florida, a Redwire company, is developing the TSCM to provide proof of principle for polycrystal superalloy part manufacturing in microgravity for terrestrial use. Superalloys thermally processed in microgravity could have improved microstructure and mechanical properties over superalloys processed on Earth. This work expands utilization of the ISS National Lab into new commercial product areas not previously investigated.
Delivered to space station on SpaceX CRS-24 in December 2021, TSCM investigates potential improvements in superalloy microstructure by heat treating in microgravity. Market applications include turbine engines in industries such as aerospace and power generation.
Redwire/Techshot – Pharmaceutical In-space Laboratory 
Contact: Rachel OrmsbyRedwire Corporation Inc. of Greenville, Indiana, has been selected for its proposal to produce small, uniform crystals as stable seed batches for pharmaceutical and institutional research customers seeking improvements/refinements in product purification, formulation and/or delivery using crystalline formulations. Their Pharmaceutical In-space Laboratory Bio-crystal Optimization Xperiment (PIL-BOX) Dynamic Microscopy Cassette (DMC) will be capable of testing multiple crystallization conditions and providing samples to be returned to Earth for analysis. When grown in microgravity, crystals are produced more uniformly and have very low size coefficients of variation thereby allowing a more stable crystal growth, high concentration, and low viscosity parenteral formulation. The proposed innovation will provide manufacturing services to companies, institutions, and agencies pursuing uniform crystallization research.
United Semiconductors – Semimetal-Semiconductor Composite Bulk Crystals
Contact: Dr. DuttaUnited Semiconductors of Los Alamitos, California, has been selected for their proposal to produce semimetal-semiconductor composite bulk crystals commonly used in electromagnetic sensors for solving challenges in the energy, high performance computing and national security sectors. Together with teammates Axiom Space of Houston and Redwire of Greenville, Indiana, United Semiconductors intends to validate the scaling and efficacy of producing larger semimetal-semiconductor composite crystals under microgravity conditions with perfectly aligned and continuous semimetal wires embedded across the semiconductor matrix. If successful at eliminating defects found in those manufactured with terrestrial materials, United Semiconductors will have developed a processing technology for creating device-ready wafers from space-grown crystals.

Redwire/Made In Space – Industrial Crystallization Facility
Contact: Justin KuglerMade In Space of Jacksonville, Florida, a Redwire company, is developing the ICF to provide proof-of-principle for diffusion-based crystallization methods to produce high-quality optical crystals in microgravity relevant for terrestrial use. ICF launched to the International Space Station on Northrop Grumman’s CRS-15 on February 20, 2021. It was the first facility to grow inorganic potassium dihydrogen phosphate (KDP) crystals aboard space station, offering important insight into microgravity-enabled growth processes for industrial crystals, which could yield opportunities for commercial production on-orbit. Market applications include ultra-fast optical switches, optical waveguides, optical circuit lithography, high-efficiency ultraviolet light production, and terahertz wave sensors. 

LambdaVision/Space Tango –Retinal Implant
Contact: Alain BerinstainSpace Tango of Lexington, Kentucky, and its partner, LambdaVision of Farmington, Connecticut, are developing a system to manufacture protein-based retinal implants, or artificial retinas, in microgravity. The market for this work is the millions of patients suffering from retinal degenerative diseases, including retinitis pigmentosa (RP) and age-related macular degeneration (AMD), a leading cause of blindness for adults over 55 years old. This effort builds on a validation flight completed in late 2018 that demonstrated the proof of concept for generating multilayered protein-based thin films in space using a miniaturized layer-by-layer manufacturing device. This project will further mature the manufacturing system, producing protein-based artificial retinas in space that would be returned to Earth for preclinical evaluation of the technology. This work will establish the necessary regulatory requirements for producing biomedical products in space station, including current Good Manufacturing Practices (cGMP). The microgravity environment of space hinders convection and sedimentation in the manufacturing process, enabling more uniform layers, improved stability and higher quality thin films than can be produced on Earth. The team successfully produced 200 layers of protein on their most recent flight on SpaceX Crew-4.

Redwire/Made In Space – Manufacturing of Semiconductors and Thin-film Integrated Coatings (MSTIC)
Contact: Justin KuglerMade In Space of Jacksonville, Florida, a Redwire company, is developing the MSTIC facility as an autonomous, high throughput manufacturing capability for production of high quality, lower cost semiconductor chips at a rapid rate. Terrestrial semiconductor chip production suffers from the impacts of convection and sedimentation in the manufacturing process. Fabricating in microgravity is expected to reduce the number of gravity-induced defects, resulting in more usable chips per wafer. Market applications include semiconductor supply chains for telecommunications and energy industries.
Auxilium Biotechnologies/Space Tango – Drug Delivery Medical Devices
Contact: Dr. Jacob KofflerAuxilium Biotechnologies with Space Tango has been selected for its proposal to develop a second-generation drug-delivery medical device to more effectively treat people who have sustained traumatic peripheral nerve injury. Auxilium’s Gen 1.0 NeuroSpan Bridge is a biomimetic nerve regeneration device that guides and accelerates nerve regeneration, eliminating the need for a patient to sacrifice a nerve in the leg to repair a nerve in the arm or face. Auxilium will use its expertise in fast, high-resolution 3D-printing to adapt its proprietary platform to a Gen 2.0 3D-print device in microgravity by adding novel drug delivery nanoparticles with the potential to substantially accelerate regeneration and improve functional outcomes for people on Earth.
Lawrence Livermore National Lab/Space Tango – VAM Organ Production
Contact: Dr. Maxim ShusteffLawrence Livermore National Laboratory, located in Livermore, California, in partnership with Space Tango, has been selected for their proposal to adapt their terrestrial volumetric 3D bioprinting device for use in microgravity to demonstrate production of artificial cartilage tissue in space. The Volumetric Additive Manufacturing (VAM) technology is a revolutionary, ultra-rapid 3D printing method that solidifies a complete 3D structure from a photosensitive liquid resin in minutes. Because of the absence of settling and gravity-driven buoyancy and convective flows in the prepolymer, the cartilage tissues manufactured and matured in microgravity are expected to have superior structural, organizational, and mechanical properties suitable for use in long-term tissue repair and replacement.
University of Connecticut, STORRS/Axiom – Biomimetic Fabrication of Multifunctional DNA-inspired Nanomaterials
Contact: Dr. Yupeng ChenThe University of Connecticut, out of Storrs, Connecticut, in partnership with Eascra Biotech of Boston, Massachusetts and Axiom Space of Houston has been selected for their proposed biomimetic fabrication of multifunctional nanomaterials, a cutting-edge breakthrough in biomedicine that can benefit from microgravity in space to accomplish controlled self-assembly of DNA-inspired Janus base nanomaterials (JBNs). These JBNs will be used as effective, safe and stable delivery vehicles for RNA therapeutics and vaccines, as well as first-in-kind injectable scaffolds for regenerative medicine. By leveraging the benefits of microgravity, the UConn/Eascra team expects to mature in-space production of different types of JBNs with more orderly structures and higher homogeneity over what is possible using terrestrial materials, improving efficacy for mRNA therapeutics and structural integrity for cartilage tissue repair.

BioServe Space Technologies with University of Colorado – Expansion of Hematopoietic Stem Cells
Contact: Dr. Louis StodieckBioServe Space Technologies and The University of Colorado of Boulder, Colorado, in collaboration with the Mayo Clinic, ClinImmune Cell and Gene Therapy (University of Colorado Anschutz Medical Campus), RheumaGen, and with support from Sierra Space has been selected for their proposal to develop a specialized bioreactor that will produce large populations of Hematopoietic Stem Cells (HSCs) in microgravity to treat serious medical conditions including blood cancers (leukemias, lymphomas, multiple myeloma), blood disorders, severe immune diseases, and certain autoimmune diseases, such as rheumatoid arthritis. Expansion of HSCs in microgravity is expected to result in greater stem cell expansion with less cell differentiation than is seen in 1g. If successful, the technology may enable safe and effective cell therapy transplantation, especially in children and younger adults, where long-term bone marrow cell repopulation is critical to the patient’s lifetime health.

Cedars Sinai Regenerative Medicine Institute/Axiom – Stem Cell Therapy
Contact: Dr. Clive SvendsenCedars-Sinai Regenerative Medicine Institute, located in Los Angeles in partnership with Axiom Space of Houston has been selected for proposing to use cutting-edge methods related to the production and differentiation of induced pluripotent stem cells (iPSCs) on the International Space Station. Cedars-Sinai will explore in-space production of stem cells into heart, brain, and blood tissues in support of regenerative medicine uses on Earth. While stem cells and stem cell-derived tissues hold great promise for use in research and as clinical-grade therapeutic agents, safe and efficient expansion of stem cells and their derivatives continues to be a major challenge on Earth. Generating, expanding, and differentiating cells at scale in the microgravity environment of space with sufficient yields of a constant therapeutic cell product that meets FDA biologics requirements may be the answer to overcome those challenges.
Redwire/Techshot – BioFabrication Facility
Contact: Rich BolingTechshot of Greenville, Indiana, a Redwire company, is developing the BFF as a space-based 3D biomanufacturing platform capable of printing with live human cells (autologous or allogenic). The facility contains an XYZ gantry with multiple print heads and a bioreactor cassette in the X-Y plane. Without the addition of scaffolding or chemical bio-ink thickening agents, attempts to 3D print with cells on Earth only results in creating a puddle. With scaffolding and thickening agents, organ-like shapes can be printed on Earth, but they cannot function as such. BFF prints in space with low viscosity bio-inks that only contain cells and nutrients, which enable cells to remain healthy and mobile – a necessity for creating solid thick tissue. Following a weeks-long in-space conditioning phase inside a special Redwire bioreactor, the tissue constructs are strong enough to resist gravity and remain viable following their return to Earth. In 2020, Redwire manufactured test prints of a partial human meniscus aboard the International Space Station for the company’s DoD customer, the 4-Dimensional Bioprinting, Biofabrication, and Biomanufacturing, or 4D Bio3 program, based at Uniformed Services University of the Health Sciences. The program is a collaboration between the university and The Geneva Foundation, a non-profit organization that advances military medical research. A second round of printing in space for 4D Bio3 is scheduled for late 2022 after delivery of a 2nd generation printer on SpaceX CRS-26.  Redwire is planning additional bioprinting operations with the BFF, such as the Fabrication in Austere Military Environments (FAME) bioprinting program. Market applications include human tissue and organ repair or replacement.
Redwire/Techshot – Cell Reprogramming Facility
Contact: Rich BolingTechshot of Greenville, Indiana, a Redwire company, is developing the CRF to manufacture induced pluripotent stem cells (iPSCs) in orbit using adult cells, then enabling the cells to develop into many other types of cells, that can be used inside the BFF bioprinter and on Earth for regenerative medicine, especially cell therapies. The first element of the Cell Factory system – the CRF – is in development now. Market applications include cell therapies for restorative health and autologous cell sourcing for bioprinting and vascular applications.
Cedars Sinai/Space Tango – Stem Cell Production
Contact: Alain BerinstainSpace Tango of Lexington, Kentucky, and its partner Cedars-Sinai of Los Angeles, California, are developing pilot-scale systems for the production in space of large batches of stem cells to be used in personalized medical treatment for a variety of diseases. The development of induced pluripotent stem cells (iPSC) for commercial personalized medicine applications is done in space because the work to date on the space station demonstrates stem cells retain their “stemness” for longer durations in microgravity, allowing a delay of differentiation that has the potential to enable larger batches of cells to be produced. The pilot-scale systems, built for the space station to serve as a basis for future commercial manufacturing systems, will incorporate regulatory strategies to support FDA clinical trial production of personalized medicine stem cell therapies on the space station. Including current Good Manufacturing Practices (cGMP) conditions, required for the production of stem cell therapies for human use in patients.
Sanford/Space Tango – Integrated Space Stem Cell Orbiting Lab
Contact: Alain BerinstainSpace Tango of Lexington, Kentucky, and its partners at UC San Diego/Sanford Consortium in La Jolla, California, are working to establish a new on-orbit biomedical sector for stem cell advancement, with a fully operational self-sustaining orbital laboratory anticipated by 2025. The team is working to refine current hardware capabilities and process flows, extending the capabilities of ground-based laboratories with regular access to the space station via secured flight opportunities. Stem cells differentiate into tissue specific progenitors that can be used in microgravity to better understand aging and immune dysfunction, providing an opportunity to accelerate advances in regenerative medicine and the development of potential new therapeutic approaches. The target market for this orbital laboratory is a new approach to stem cell translational medicine.
Wake Forest Institute of Regenerative Medicine/Axiom – Engineered Liver Tissue
Contact: Dr. Anthony Atala
Wake Forest Institute for Regenerative Medicine (WFIRM), located in Winston-Salem, North Carolina, has partnered with Axiom Space and BioServe Space Technologies to pursue a groundbreaking initiative. Their proposal takes advantage of the microgravity environment to develop and validate a platform that supports a ‘building block’ strategy for in-space manufacturing of vascularized and perfused liver tissue as a bridge to transplantation. This is a continuation of the NASA Centennial Vascular Tissue Challenge, where WFIRM teams won first and second place for creating metabolically active thick liver tissue that retained function for thirty days. The overarching goal is to enhance the formation of a microcapillary system within a perfusable 3D bioprinted vascularized engineered liver tissue constructs for biomanufacturing clinical-scale liver tissue constructs that allow integration into the recipient’s peripheral circulation for the treatment of liver disease. Once validated, this platform technology can produce multiple tissue construct types, including kidney and pancreas, among others. In Phase 1a, the team plans to evaluate various 3D bioprinted designs for vascularized tissue constructs to be evaluated in microgravity to identify the optimal parameters to produce liver tissue that is suitable in size to serve as a bridge to regeneration or transplantation. Phases 2 and 3 will involve biomanufacturing liver tissue constructs of the optimal design for human clinical trials and process scale-up for future commercialization.

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Goddard Engineers Improve NASA Lidar Tech for Exploration, Navigation

Source: NASA

Lidar technology improvements will help NASA scientists and explorers with remote sensing and surveying, mapping, 3D-image scanning, hazard detection and avoidance, and navigation.

Like a sonar using light instead of sound, lidar technology increasingly helps NASA scientists and explorers with remote sensing and surveying, mapping, 3D-image scanning, hazard detection and avoidance, and navigation.
Cutting edge innovations by NASA researchers seek to refine lidars into smaller, lighter, more versatile tools for exploration.
“There are a lot of flavors of lidar right now,” said Cheryl Gramling, assistant chief for technology at NASA’s Goddard Space Flight Center in Greenbelt, Maryland. “It’s such an important technology because of the precision and versatility that it offers.”
Light detection and ranging, or lidar, is a remote sensing technology related to sonar and radar. Lidar uses pulses of light to measure distances and properties of objects accurately, by measuring the time it takes the light to reflect back to the lidar sensor.
Goddard innovators are looking to expand the usefulness of lidar applications in communication and navigation, planetary exploration, and space operations. Here are a few of the current investigations.
Foldable, Flat Lidar Optics

Research engineer Mark Stephen is developing a deployable, segmented telescope to capture the returning light signal using state-of-the-art flat-panel optics organized in foldable, origami-inspired panels. Working with researchers at Brigham Young University, their team seeks to provide future missions with the benefits of lidar technology without the current technologies’ high cost and limited efficiency.
Lidar typically is a high-cost technology that may not make the cut for tomorrow’s smaller, lighter, and more efficient missions. Size, weight, and power demands limit the technology’s ability to be implemented in more missions.
“Most people want really high performance,” Stephen said, “But they want it in a small, light, and power-efficient package. We’re trying to find the best balance, and cost matters. Often the cost comes more from the size, weight, and power than it does from the actual development if we’re launching something into space. That is where it gets expensive.”
Stephen is wrapping up a three-year effort to improve lidars through a Radical Innovation Initiative grant within Goddard’s Internal Research and Development (IRAD) program. Their project has been picked up by NASA’s Earth Science Technology Office to fund further improvements.
Typically, lidar receivers depend on bulky lenses to capture light, each lens needs a specific curvature and size to bend the light, in addition to the structures which hold the lenses, and other mechanics, Stephen said. Larger lenses are more effective, and that is where lidar technology tends to get heavy.
Flat optics use new types of nano-structured materials to manipulate individual photons, he said. These meta-materials allow thin and lightweight optics to perform the same functions as much larger and more expensive three-dimensional counterparts.

“We are working toward being able to have a family of instruments where we have some flexibility and agility to meet the needs of a given mission,” Stephen said. “We want to develop a tool where you can make a better trade in terms of size, weight and power versus performance.”
One Laser, Many Wavelengths
Goddard engineer Guangning Yang is looking to improve lidar by producing multiple wavelengths of light from a single beam. Most modern lidars use multiple beams of a single wavelength to increase their accuracy.
Yang is the primary investigator for CASALS, or Concurrent Artificially intelligent Spectrometry and Adaptive Lidar System, a lidar technology that can sweep a large area more efficiently.
CASALS starts with one laser pulse, but instead of splitting that pulse into the many directions it needs to travel, their technology changes the wavelength of the laser at a very high speed. The different wavelengths of light then exit the laser transmitter at different angles based on their wavelength.
This pulse sequence produces a broom-like array sweeping across the object, landscape, or celestial body being studied.
“We have improved the efficiency,” Yang said, “and that will allow us to reduce the instrument’s size dramatically.”
Along with improvements in efficiency, CASALS is smaller than a typical lidar instrument. Yang said CASALS could help provide higher-density mapping of Earth and of other planets and moons as well as assisting with autonomous descents and landings.
Both flat optics and wavelength scanning offer new possibilities for lidar technology and are part of an array of investigations expected to unlock new opportunities in science and navigating distant worlds, Gramling said.
By Elizabeth Markham
NASA’s Goddard Space Flight Center in Greenbelt, Md.

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More than Grants: Perspectives from Past NASA-funded Researchers

Source: NASA

Each year, researchers nationwide embark on journeys of discovery facilitated by funding from NASA’s Space Technology Research Grants (STRG) program. They uncover innovations that benefit future research and their careers after graduation.
In 2023, STRG hit a significant milestone, making its thousandth award through the most recent cohort of NASA Space Technology Graduate Research Opportunity (NSTRGO) selections.
The STRG program supports academic researchers – graduate students to senior faculty –­ through five unique solicitations to examine ideas and approaches critical to making science and space exploration more effective, affordable, and sustainable. The vast majority of STRG awards go to graduate students through NSTGRO, resulting in the development of innovative technology while enriching the careers of students and the aerospace workforce.

The next 2024 NSTGRO opportunity is open for proposals through Nov. 1, 2023. It marks the 14th consecutive year that STMD has sponsored U.S. citizen and legal permanent resident graduate students who show significant potential to contribute to NASA’s goal of creating innovative new space technologies for our nation’s science, exploration, and economic future.
This space technology research investment milestone prompted NASA to reflect on three grantees inspiring and developing a diverse U.S. aerospace technology community.
Eliad Peretz wanted to apply before becoming a graduate student at Cornell University in Ithaca, New York. Growing up in Israel, working on his grandfather’s olive grove taught him the value of planning and working hard at a young age.
“I knew NASA was the place for me,” said Peretz. He viewed STRG as a way in the door, to work directly with NASA and, maybe, one day for NASA.

Funded by a 2015 grant, Peretz used artificial intelligence to design lightweight spacecraft solar cells. He spent summers at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, and Marshall Space Flight Center in Huntsville, Alabama. There, he had direct access to agency experts who helped advance the research while discovering something along the way.
“I realized that I didn’t want to be a person who can only solve a single problem; I wanted to solve many problems for spaceflight,” said Peretz. “For me, it was a life-changing program and experience.”
Today, Peretz works in the Heliophysics Division mission at NASA Goddard. He asks scientists and engineers for their most challenging problems and comes up with concepts, unlike anything that’s been done before.
Monique McClain, a 2017 grant recipient, embarked on a different path after graduating from Purdue University in West Lafayette, Indiana. She is an assistant professor in Purdue’s School of Mechanical Engineering, using the NSTRF experience to help her students.
“I was hooked on science fiction as a kid and thought the chief engineer in ‘Star Trek’ was the coolest job,” said McClain. “They got to solve all the challenging problems.”
The “problem” of her research was to improve control over how a solid rocket motor burns by creating complex propellant shapes using a new 3D printing technology.
“Space Tech Research Grants stood out because it was more than just a stipend,” said McClain. “It allowed me to make research decisions, visit government labs, and develop professionally.”
McClain tested her 3D-printed components at NASA Marshall and the U.S. Naval Air Weapons Station at China Lake, California.
Her current work focuses on understanding multi-material properties and improving 3D printer designs, while other researchers continue to build on her graduate project and are exploring technology commercialization opportunities.

MONIQUE McClain
Space Technology Research Grant recipient

In graduate school at the University of Texas in Austin, Kaci Madden worked on robotic exoskeletons. Her uncle is an amputee; growing up, she saw how prosthetic technology evolved. Madden wanted to design devices that helped people.
Funded by a 2015 NASA grant, she learned how to evaluate fatigue using robots to monitor astronaut health and performance more accurately. At NASA’s Johnson Space Center in Houston, Madden tested Robo-Glove, collected data, and built her professional network.
“NASA has a sense of comradery, vision and mission,” said Madden. “Everyone I met was willing to help or introduce me to someone who could further my research and support theirs.”
Madden said the opportunity propelled her career forward. She found a different mechanism for helping people and currently works for a healthcare start-up that empowers researchers to study rare diseases.
“I have a lot of gratitude to the STRG program itself for offering these funds and the people I got to work with,” said Madden. “They deserve a lot of credit – they are the shoulders I stood on to complete my dissertation under this fellowship.”
NASA Space Technology Research Grants are part of NASA’s Space Technology Mission Directorate (STMD). This program is one of many early-stage funding opportunities for researchers in academia. To browse other funding opportunities, visit:
https://techport.nasa.gov/opportunities