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Proceedings Paper

Time-tag photon detection with the MAMA detector system
Author(s): Giorgio Giaretta; Elliott P. Horch; J. Gethyn Timothy; John F. Heanue; David B. Kasle
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Paper Abstract

The Multi-Anode Microchannel Array (MAMA) detector system is a true photon-counting imager which records the position and arrival time of each detected photon for post facto image reconstruction analysis. Imaging by time-tag photon detection with the MAMA is being used for image stabilization on sounding rockets, and for speckle interferometry and speckle image reconstruction at ground-based telescopes using the Stanford University Speckle Interferometer System (SUSIS). This paper describes the construction and mode-of-operation of the MAMA time-tag photon-detection system, including recent improvements to the data- handling system which permit a data-recording rate in excess of 1 M event s-1. The intrinsic time resolution of the MAMA detector system is < 300 ns and the time resolution of the SUSIS used to date is 3.2 microsecond(s) for each detected photon. A number of examples of both laboratory data and visible-light speckle interferometric deconvolutions and two-dimensional speckle image reconstructions are presented.

Paper Details

Date Published: 15 November 1993
PDF: 13 pages
Proc. SPIE 1952, Surveillance Technologies and Imaging Components, (15 November 1993); doi: 10.1117/12.161409
Show Author Affiliations
Giorgio Giaretta, Stanford Univ. (United States)
Elliott P. Horch, Stanford Univ. (United States)
J. Gethyn Timothy, Stanford Univ. (United States)
John F. Heanue, Stanford Univ. (United States)
David B. Kasle, Silicon Engines Inc. (United States)


Published in SPIE Proceedings Vol. 1952:
Surveillance Technologies and Imaging Components
Sankaran Gowrinathan; C. Bruce Johnson; James F. Shanley, Editor(s)

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