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Proceedings Paper

Intra-pixel response of the new JWST infrared detector arrays
Author(s): T. Hardy; Chris Willot; J. Pazder
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Paper Abstract

We have repeated some of our previous measurements of the intra-pixel response of the infrared detector arrays for the Fine Guidance Sensor (FGS) instrument on the James Webb Space Telescope (JWST). This set of tests was performed on a 5 micron cutoff substrate-removed HAWAII-1RG from the new batch of devices produced for JWST. The measurements were done at wavelengths from 650 nm to 1550 nm. The results from these tests indicate that there are no significant differences in the intra-pixel response between the older JWST devices and the new ones. Modeling suggests that the primary contributor to the response profile is diffusion in the bulk detector material.

Paper Details

Date Published: 23 July 2014
PDF: 12 pages
Proc. SPIE 9154, High Energy, Optical, and Infrared Detectors for Astronomy VI, 91542D (23 July 2014); doi: 10.1117/12.2057114
Show Author Affiliations
T. Hardy, National Research Council Canada (Canada)
Chris Willot, National Research Council Canada (Canada)
J. Pazder, National Research Council Canada (Canada)


Published in SPIE Proceedings Vol. 9154:
High Energy, Optical, and Infrared Detectors for Astronomy VI
Andrew D. Holland; James Beletic, Editor(s)

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