James Webb space telescope: noise results for the multiplexers of the mid-infrared instrument (MIRI)

Details James Webb space telescope: noise results for the multiplexers of the mid-infrared instrument (MIRI) James Webb space telescope: noise results for the multiplexers of the mid-infrared instrument (MIRI)

Aug 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005spie.5902...45m&link_type=abstract

Focal Plane Arrays for Space Telescopes II. Edited by Grycewicz, Thomas J.; Marshall, Cheryl J. Proceedings of the SPIE, Volume

Physics

Scientific paper

The James Webb Space Telescope (JWST) will have several on-board instruments, of which the Mid-Infrared Instrument (MIRI) will cover imaging and low resolution spectroscopy in the 5-28 micron region. To achieve the many science goals for MIRI, the detector arrays must be capable of achieving high sensitivity. The primary obstacle to high sensitivity is the total noise. The total noise is often dominated by two main parts: the read noise of the multiplexer and the shot noise of the detector array's dark current. We present recent results of the measured read noise for several candidate multiplexers from the first Si-foundry run.

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