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Find similar grantsHigh-efficiency and high-resolution x-ray and gamma-ray imaging detectors for space science is sponsored by NASA. Advances x-ray and gamma-ray imaging detectors for space science, with potential applications in threat detection and surveillance.
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Development of high resolution imaging detectors for x ray astronomy - NASA Technical Reports Server (NTRS) NTRS - NASA Technical Reports Server Collections About News Help Login The auto‑search feature has been disabled based on user feedback. Enter a search term/phrase and click “Search” to begin.
Back to Results Development of high resolution imaging detectors for x ray astronomy This final report summarizes our past activities and discusses the work performed over the period of 1 April 1990 through 1 April 1991 on x-ray optics, soft x-ray (0. 1 - 10 KeV) imaging detectors, and hard x-ray (10 - 300 KeV) imaging detectors.
If microchannel plates (MCPs) can be used to focus x-rays with a high efficiency and good angular resolution, they will revolutionize the field of x-ray optics. An x-ray image of a point source through an array of square MCP pores compared favorably with our ray tracing model for the MCP. Initial analysis of this image demonstrates the feasibility of MCPs for soft x-rays.
Our work continues with optimizing the performance of our soft x-ray MCP imaging detectors. This work involves readout technology that should provide improved MCP readout devices (thin film crossed grid, curved, and resistive sheets), defect removal in MCPs, and photocathode optimization.
In the area of hard x-ray detector development we have developed two different techniques for producing a CsI photocathode thickness of 10 to 100 microns, such that it is thick enough to absorb the high energy x-rays and still allow the photoelectrons to escape to the top MCP of a modified soft x-ray imaging detector.
The methods involve vacuum depositing a thick film of CsI on a strong back, and producing a converter device that takes the place of the photocathode. Document ID Murray, S. S.
(Smithsonian Astrophysical Observatory Cambridge, MA, United States) Schwartz, D. A. (Smithsonian Astrophysical Observatory Cambridge, MA, United States) Report Number: NAS 1.
26:193653 Report Number: NASA-CR-193653 Work of the US Gov. Public Use Permitted. Name Type 19930023174. pdf STI cloud_download content_copy visibility There are no records associated with this record.
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High-efficiency and high-resolution x-ray and gamma-ray imaging detectors for space science is funded by NASA. Verify program details on the funder's official page before applying.
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