{"project":{"acronym":"","projectId":89972,"title":"Megapixel Longwave Infrared SLS FPAs for High Spatial Resolution Earth Observing Missions","primaryTaxonomyNodes":[{"taxonomyNodeId":10755,"taxonomyRootId":8816,"parentNodeId":10751,"level":3,"code":"TX08.3.4","title":"Environment Sensors","definition":"Environment sensors provide the local environmental measures such as vehicle health and habitation health and include sensors such as seismometers, weather sensors (temp, wind speed, atmospheric pressure, humidity), static electric field, chemical species, structural measures (pressure, strain, etc.), particle detectors","exampleTechnologies":"Temperature, humidity, wind speed and direction, atmospheric pressure, seismic","hasChildren":false,"hasInteriorContent":true}],"startTrl":2,"currentTrl":4,"endTrl":4,"benefits":"1) NASA's LANDSAT Data Continuity Mission - Thermal Infrared Sensor (LDCM-TIRS) 2) NASA's HyspIRI Mission - Multispectral thermal infrared (TIR)imager 3) Space- and ground-based astronomy and astrophysics 4)Chemical/spectral mapping of forests, vegetation, crops, and landmasses 5) Temperature mapping of oceans and landmasses 6) Atmospheric mapping 7)Pollution monitoring
1) Gas imaging(e.g. for the petrochemical industry) 2) Security and surveillance 3) Thermography 4)Medical imaging 5) Missile defense 6) Space-based situational awareness","description":"Earth observing missions like NASA's LANDSAT Data Continuity Mission - Thermal Infrared Sensor (LDCM-TIRS) require greater spatial resolution of the earth than the ~ 100m provided by the current instrument. Improving resolution to the desired ~ 30m requires increasing the number of pixels on target from the current 640x3 to ~ 2048x3. The TIRS instrument contains 640x512 longwave infrared quantum well infrared photodetector focal plane arrays (LWIR QWIP FPAs) jointly developed by NASA/GSFC and QmagiQ. We propose to achieve the higher pixel resolution while simultaneously improving quantum efficiency and operating temperature by using antimony-based strained layer superlattice (SLS) detectors. A key challenge is dealing with the effects of reducing pixel pitch from 25 microns down to ~ 10 microns, viz. optical fill-factor, optical crosstalk, processing difficulties, pixel operability, etc. As a stepping stone in Phase I, we propose to develop and deliver SLS FPAs with 1280x1024 format on 12 micron pitch that will address these challenges and quantify the effectiveness of our solutions. In Phase II, we will increase FPA format to 2048x2048 and push cutoff wavelength to the longest possible value while still hitting desired quantum efficiency and operating temperature targets in consultation with NASA/GSFC. 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Chemical/spectral mapping of forests, vegetation, crops, and landmasses 5) Temperature mapping of oceans and landmasses 6) Atmospheric mapping 7) Pollution monitoring
1) Gas imaging (e.g. for the petrochemical industry) 2) Security and surveillance 3) Thermography 4) Medical imaging 5) Missile defense 6) Space-based situational awareness","description":"Earth observing missions like NASA's LANDSAT Data Continuity Mission - Thermal Infrared Sensor (LDCM-TIRS) require greater spatial resolution of the earth than the ~ 100m provided by the current instrument. Improving resolution to the desired ~ 30m requires increasing the number of pixels on target from the current 640x3 to ~ 2048x3. The TIRS instrument contains 640x512 longwave infrared quantum well infrared photodetector focal plane arrays (LWIR QWIP FPAs) jointly developed by NASA/GSFC and QmagiQ. QmagiQ proposes to achieve the higher pixel resolution while simultaneously improving quantum efficiency and operating temperature by using antimony-based strained layer superlattice (SLS) detectors. A key challenge is dealing with the effects of reducing pixel pitch from 25 microns down to ~ 10 microns, viz. optical fill-factor, optical crosstalk, processing difficulties, pixel operability, etc. As a stepping stone in Phase I, we developed and delivered an SLS FPA with 1280x1024 format on 12 micron pitch that achieved record performance, viz. > 40% quantum efficiency and dark current half of MCT Rule07 for FPAs with cutoff wavelength > 11 microns. In Phase II, we will increase FPA format to 2048x2048 and push cutoff wavelength to 12-13 microns while still hitting desired quantum efficiency and operating temperature targets in consultation with NASA/GSFC. Several FPAs will be delivered to NASA for evaluation.","startYear":2017,"startMonth":4,"endYear":2019,"endMonth":4,"statusDescription":"Completed","website":"","program":{"acronym":"SBIR/STTR","active":true,"description":"
The NASA SBIR and STTR programs fund the research, development, and demonstration of innovative technologies that fulfill NASA needs as described in the annual Solicitations and have significant potential for successful commercialization. If you are a small business concern (SBC) with 500 or fewer employees or a non-profit RI such as a university or a research laboratory with ties to an SBC, then NASA encourages you to learn more about the SBIR and STTR programs as a potential source of seed funding for the development of your innovations.
The SBIR and STTR programs have 3 phases:
The SBIR and STTR Phase I contracts last for 6 months with a maximum funding of $125,000, and Phase II contracts last for 24 months with a maximum funding of $750,000 - $1.5 million.
Opportunity for Continued Technology Development Post-Phase II:
The NASA SBIR/STTR Program currently has in place two initiatives for supporting its small business partners past the basic Phase I and Phase II elements of the program that emphasize opportunities for commercialization. Specifically, the NASA SBIR/STTR Program has the Phase II Enhancement (Phase II-E) and Phase II eXpanded (Phase II-X) contract options.
Please review the links below to obtain more information on the SBIR/STTR programs.
Provides an overview of the SBIR and STTR programs as implemented by NASA
Provides access to the annual SBIR/STTR Solicitations containing detailed information on the program eligibility requirements, proposal instructions and research topics and subtopics
Schedule and links for the SBIR/STTR solicitations and selection announcements
Federal and non-Federal sources of assistance for small business
Search our complete archive of awarded project abstracts to learn about what NASA has funded
Still have questions? Visit the program FAQs
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The SBIR and STTR programs have 3 phases:
The SBIR and STTR Phase I contracts last for 6 months with a maximum funding of $125,000, and Phase II contracts last for 24 months with a maximum funding of $750,000 - $1.5 million.
Opportunity for Continued Technology Development Post-Phase II:
The NASA SBIR/STTR Program currently has in place two initiatives for supporting its small business partners past the basic Phase I and Phase II elements of the program that emphasize opportunities for commercialization. Specifically, the NASA SBIR/STTR Program has the Phase II Enhancement (Phase II-E) and Phase II eXpanded (Phase II-X) contract options.
Please review the links below to obtain more information on the SBIR/STTR programs.
Provides an overview of the SBIR and STTR programs as implemented by NASA
Provides access to the annual SBIR/STTR Solicitations containing detailed information on the program eligibility requirements, proposal instructions and research topics and subtopics
Schedule and links for the SBIR/STTR solicitations and selection announcements
Federal and non-Federal sources of assistance for small business
Search our complete archive of awarded project abstracts to learn about what NASA has funded
Still have questions? Visit the program FAQs
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