Candidate detector assessment for the CASTOR mission

Alan D. Scott; Patrick Cote; Neil Rowlands; Olivier Daigle

doi:10.1117/12.2057033

23 July 2014 Candidate detector assessment for the CASTOR mission

Alan D. Scott, Patrick Cote, Neil Rowlands, Olivier Daigle

Proceedings Volume 9154, High Energy, Optical, and Infrared Detectors for Astronomy VI; 91542C (2014) https://doi.org/10.1117/12.2057033
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

Abstract

The Cosmological Advanced Survey Telescope for Optical and UV Research (CASTOR) is a proposed Canadian Space Agency (CSA) mission that would provide panoramic, high-resolution imaging of 1/8th of the sky in the UV/optical (150-550 nm) spectral region. This small-satellite class mission would provide high angular resolution ultra-deep imaging in three broad filters to supplement data from planned international dark energy missions (Euclid, WFIRST) as well as from the Large Synoptic Survey Telescope (LSST). One of the leading technical risks on this mission is the UV sensitivity required to approach 26th magnitude in the near UV band. We are planning to characterize a selected candidate technology down to 150 nm. We will review the main scientific and technical drivers for the mission and show how they constrain the available detector options. We will compare the sensitivity and general applicability of CCD, EMCCD, hybridized and monolithic CMOS FPA options.

Citation Download Citation

Alan D. Scott, Patrick Cote, Neil Rowlands, and Olivier Daigle "Candidate detector assessment for the CASTOR mission", Proc. SPIE 9154, High Energy, Optical, and Infrared Detectors for Astronomy VI, 91542C (23 July 2014); https://doi.org/10.1117/12.2057033

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KEYWORDS

Sensors

Silicon

Staring arrays

Charge-coupled devices

Quantum efficiency

Ultraviolet radiation

Electron multiplying charge coupled devices

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