{"project":{"acronym":"","projectId":14752,"title":"An Ideal Integrating Bolometer Project","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":1,"currentTrl":1,"endTrl":3,"benefits":"
A superconducting heat switch will provide variable conductance for detector read-out allowing for greatly increased sensitivity.
We propose to develop a novel detector to enable a new class of far-IR spectroscopic surveys. The detector, the Ideal Integrating Bolometer (IIB) is able to circumvent some of the inherent limitations on bolometers, and thus achieve dramatic improvement in sensitivity.
An ideal integrating bolometer can achieve breakthrough sensitivity in IR photon detection by removing practical barriers to extreme thermal isolation of the absorber. The effort will be focused on design of the IIB, with the goal of having a layout ready. During this period, we will also design parts needed for the test facility and start fabrication. In the second quarter, the IIBs will be fabricated. Also during this period, the test facility will be assembled and dry run testing completed. In the third quarter, the IIB samples will be installed in the cryostat and tested. The final quarter will be dedicated to further debugging and testing the IIB samples, and completing the final report.
Through the Center Innovation Fund, the Space Technology Mission Directorate allocates a small portion of the NASA workforce and procurement budget to internal research and development to feed early stage innovation in technology and exploration. Activities with in the Center Innovation Fund are proposed and led by NASA scientists and engineers. These activities and creative initiatives pursue emerging technologies that leverage talent and capabilities at the NASA Centers.
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