Focal plane technologies for LSST

Michael Lesser, Tony Tyson

Research output: Contribution to journalConference article

13 Scopus citations

Abstract

The baseline design for the Large Synoptic Survey Telescope (LSST) requires a detector mosaic of over 2 Gigapixels covering a 55 cm diameter focal plane with 0.2 arcsec sampling. The camera and detector package for this telescope will benefit greatly by utilizing advanced concepts not normally required for astronomical telescope instrumentation. For the detector assembly, these concepts include low-cost, back illuminated CMOS or CCDs detectors with integrated electronic modules, curved detectors which would allow fewer but larger individual sensors, small pixels which maintain high MTF and full well capacity, anti-blooming techniques, fully-buttable packaging, and near room temperature operation. The camera may require a low thermal conductance gas-filled dewar to reduce atmosphere loading on the window, interchangeable and compact optical filters, and a flexible internal shutter. In this paper we discuss these issues relating to LSST focal plane technology.

Original languageEnglish (US)
Pages (from-to)240-246
Number of pages7
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4836
DOIs
StatePublished - Dec 1 2002
EventSurvey and Other Telescope Technologies and Discoveries - Waikoloa, HI, United States
Duration: Aug 27 2002Aug 28 2002

Keywords

  • CCDs
  • CMOS imagers
  • Focal planes
  • Telescopes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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