The LSST CCD Development Program

Details The LSST CCD Development Program The LSST CCD Development Program

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...21113720k&link_type=abstract

American Astronomical Society, AAS Meeting #211, #137.20; Bulletin of the American Astronomical Society, Vol. 39, p.982

Astronomy and Astrophysics

Astronomy

Scientific paper

The LSST focal plane array (FPA) will be the largest ever made. The sensors must produce low read noise, high QE in the red, and a very tight PSF. This will all be necessary to do the science at the LSST. The principle underlying the development plan is that for an FPA involving about 200 large format (4k x 4k) sensors, an industrial approach has to be developed and adopted. In this initial phase of CCD development, we have targeted specific technology challenges at competitively selected vendors, with the goal of establishing both the technical characteristics of actual sensors, based on our projected requirements, and the industrial feasibility of their production. The CCD technology challenges we have targeted in particular are over-depleted high resistivity devices in the 100 micron thickness range with a biased conductive window. Initial test results from the first devices in a smaller format resulting from this study program will be presented, demonstrating that these challenges can be overcome.

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