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Photon-counting image sensors for the ultraviolet : semi-annual report for NASA grant NSG-7618

Author: Edward B Jenkins; United States. National Aeronautics and Space Administration.; Princeton University. Observatory.
Publisher: Princeton, N.J. : Princeton University Observatory, [1985]
Series: NASA contractor report, NASA CR-176062.
Edition/Format:   Book   Microform : National government publication : Microfiche : English
Summary:
"An investigation on specific performance details of photon counting, ultraviolet image sensors having 2-dimensional formats is reviewed. In one study, controlled experiments were performed which compare the quantum efficiencies, in pulse counting mode, of CsI photocathodes deposited on (1) the front surface of a microchannel plate (MCP), (2) a solid surface in front of an MCP, and (3) an intensified CCD image  Read more...
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Details

Material Type: Government publication, National government publication
Document Type: Book
All Authors / Contributors: Edward B Jenkins; United States. National Aeronautics and Space Administration.; Princeton University. Observatory.
OCLC Number: 137350308
Notes: "August 7, 1985."
Reproduction Notes: Microfiche. [Washington, D.C. : National Aeronautics and Space Administration], 1985. 1 microfiche + negative.
Description: 20 pages : illustrations.
Series Title: NASA contractor report, NASA CR-176062.
Responsibility: by Edward B. Jenkins ; submitted to: headquarters, National Aeronautics and Space Administration.

Abstract:

"An investigation on specific performance details of photon counting, ultraviolet image sensors having 2-dimensional formats is reviewed. In one study, controlled experiments were performed which compare the quantum efficiencies, in pulse counting mode, of CsI photocathodes deposited on (1) the front surface of a microchannel plate (MCP), (2) a solid surface in front of an MCP, and (3) an intensified CCD image sensor (ICCD) where a CCD is directly bombarded by accelerated photoelectrons. Tests indicated that the detection efficiency of the CsI-coated MCP at 1026 A is lower by a factor of 2.5 than that of the MCP with a separate, opaque CsI photocathode, and the detection efficiency ratio increases substantially at longer wavelengths (ratio is 5 at 1216 A and 20 at 1608 A)."--NTRS abstract.

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