{"project":{"acronym":"","projectId":89537,"title":"Investigating an Instrument for Measurement of Hyperspectral Backscattering in Natural Waters","primaryTaxonomyNodes":[{"taxonomyNodeId":10741,"taxonomyRootId":8816,"parentNodeId":10740,"level":3,"code":"TX08.1.1","title":"Detectors and Focal Planes","definition":"Detectors, focal planes and readout integrated circuits provide large-format array technologies that require high quantum efficiency (QE); low noise, high resolution, uniform, and stable response; low power and cost; and high reliability. These technologies include low-noise, high-speed, low-power and radiation hardened readout integrated circuit (ROIC) electronics; superconducting sensors; spectral detectors; polarization-sensitive detectors; radiation-hardened detectors; and micro-Kelvin and sub-Kelvin high sensitivity detectors that cover the spectrum from submillimeter wave (Far-IR) to X-ray.","exampleTechnologies":"Backshort Undergrid bolometer arrays, Mercury Cadmium Telluride and Strained Superlattice Arrays, charge coupled devices, sidecar readout integrated circuits, radiometric calibration and abnormality correction algorithms (e.g. non-uniformity)","hasChildren":false,"hasInteriorContent":true}],"startTrl":2,"currentTrl":3,"endTrl":3,"benefits":"The novel proposed sensor for measuring hyperspectral backscattering has wide applicability in the field of ocean optics and ocean biology and biogeochemistry. There are currently no instruments available that make this measurement.NASA scientists and NASA-funded researchers,especially those working on risk reduction and optical IOP-radiometric closure studies as well as phytoplankton functional group algorithms, and increasingly complex biogeochemical and ecosystem models are currently hindered by a lack of ground truth hyperspectral backscattering data. Given the current push within NASA programs in preparation for launch of the PACE ocean color mission and EXPORTS field campaign, development of this system is very timely.
Similar to the NASA applications, the target market for the proposed instrument is broad. Government scientists and agency-funded researchers (many federal agencies including NSF, NRL, ONR, NOAA, and foreign space and environmental agencies) in ocean science routinely measure IOPs for ocean color cal/val.","description":"The remote sensing reflectance signal measured by an ocean color satellite is to first order proportional to the ratio of backscattered to absorbed light. Therefore in situ measurements of absorption and backscattering, as functions of wavelength, along with in situ and satellite radiometery, are key to refinement and calibration of legacy ocean color algorithms, as well as development of next generation ocean color products such as phytoplankton functional type. Currently, commercial instruments exist for in situ measurement of the hyperspectral absorption coefficient, but no instrument exists for measurement of the hyperspectral backscattering coefficient. We propose to develop an active sensor for in situ measurement of the hyperspectral backscattering coefficient. We are considering a design based on a broadband white source (chopped), monochromator for varying the source beam wavelength, and hyperspectral detectors (receiving at 2-3 angles) using spectrometers that track the monochromator. There are several configurations of the source, monochromator, spectrometer, and detector that can be considered the aim of the proposed work is to simulate a number of instrument configurations and assess technical and commercial feasibility of such hyperspectral backscattering instrument. The proposed instrument addresses a critical gap in the field of currently available systems for measuring hyperspectral IOPs in situ, in support of hyperspectral ocean color missions.","startYear":2016,"startMonth":6,"endYear":2016,"endMonth":12,"statusDescription":"Completed","principalInvestigators":[{"contactId":488231,"canUserEdit":false,"firstName":"Wayne","lastName":"Slade","fullName":"Wayne H Slade","fullNameInverted":"Slade, Wayne H","middleInitial":"H","primaryEmail":"wslade@sequoiasci.com","publicEmail":true,"nacontact":false}],"programDirectors":[{"contactId":206378,"canUserEdit":false,"firstName":"Jason","lastName":"Kessler","fullName":"Jason L Kessler","fullNameInverted":"Kessler, Jason L","middleInitial":"L","primaryEmail":"jason.l.kessler@nasa.gov","publicEmail":true,"nacontact":false}],"programExecutives":[{"contactId":215154,"canUserEdit":false,"firstName":"Jennifer","lastName":"Gustetic","fullName":"Jennifer L Gustetic","fullNameInverted":"Gustetic, Jennifer 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There are currently no instruments available that make this measurement. NASA scientists and NASA-funded researchers,especially those working on risk reduction and optical IOP-radiometric closure studies as well as phytoplankton functional group algorithms, and increasingly complex biogeochemical and ecosystem models are currently hindered by a lack of ground truth hyperspectral backscattering data. Given the current push within NASA programs in preparation for launch of the PACE ocean color mission and EXPORTS field campaign, development of this system is very timely.
Similar to the NASA applications, the target market for the proposed instrument is broad. Government scientists and agency-funded researchers (many federal agencies including NSF, NRL, ONR, NOAA, and foreign space and environmental agencies) in ocean science routinely measure IOPs for ocean color cal/val.","description":"The remote sensing reflectance signal measured by an ocean color satellite is to first order proportional to the ratio of backscattered to absorbed light. Therefore in situ measurements of absorption and backscattering, as functions of wavelength, along with in situ and satellite radiometery, are key to refinement and calibration of legacy ocean color algorithms, as well as development of next generation ocean color products such as phytoplankton functional type. Currently, commercial instruments exist for in situ measurement of the hyperspectral absorption coefficient, but no instrument exists for measurement of the hyperspectral backscattering coefficient. We propose to develop an active sensor for in situ measurement of the hyperspectral backscattering coefficient. The proposed instrument will use a broadband halogen lamp source, servo-controlled linear variable filters as spectral bandpass elements in transmit and receive optics, and a photomultiplier tube detector with integrated low-noise amplifier and variable gain. The proposed instrument addresses a critical gap in the field of currently available systems for measuring hyperspectral IOPs in situ, in support of hyperspectral ocean color missions.","startYear":2017,"startMonth":4,"endYear":2019,"endMonth":7,"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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