Deep-depletion Hamamatsu CCDs for the Gemini Multi-Object Spectrograph

Tim Hardy; Kevin Hanna; Kei Szeto; Greg Burley

doi:10.1117/12.926834

25 September 2012 Deep-depletion Hamamatsu CCDs for the Gemini multi-object spectrograph

Tim Hardy, Kevin Hanna, Kei Szeto, Greg Burley

Proceedings Volume 8453, High Energy, Optical, and Infrared Detectors for Astronomy V; 84531Z (2012) https://doi.org/10.1117/12.926834
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

The instrumentation group of the Herzberg Institute of Astrophysics was commissioned by the Gemini Observatory to develop a new focal plane assembly for the Gemini Multi-Object Spectrograph with an array of three deep-depletion Hamamatsu CCDs. The main objective of the upgrade is to improve the sensitivity of the instrument in the red and nearinfrared wavelengths, with the additional benefits of reduced fringing, faster readout, and better performance in the "nod and shuffle" mode. We describe what we learned about these relatively new CCDs, including several problems encountered during testing, and report on the performance of the system.

Citation Download Citation

Tim Hardy, Kevin Hanna, Kei Szeto, and Greg Burley "Deep-depletion Hamamatsu CCDs for the Gemini multi-object spectrograph", Proc. SPIE 8453, High Energy, Optical, and Infrared Detectors for Astronomy V, 84531Z (25 September 2012); https://doi.org/10.1117/12.926834

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