MVIC engineering array characterization in the SwRI detector calibration lab

Todd J. Veach; Amanda J. Bayless; Peter W. Roming; Greg Bredthauer; Joseph Tufts

doi:10.1117/12.2530005

9 September 2019 MVIC engineering array characterization in the SwRI detector calibration lab

Todd J. Veach, Amanda J. Bayless, Peter W. Roming, Greg Bredthauer, Joseph Tufts

Proceedings Volume 11115, UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts IX; 111151A (2019) https://doi.org/10.1117/12.2530005
Event: SPIE Optical Engineering + Applications, 2019, San Diego, California, United States

Abstract

The SwRI Detector Characterization Lab (SDCL) was established in order to facilitate the rapid calibration of large numbers of detector arrays for upcoming ground and space missions. The SDCL is equipped with a McPherson monochromator with exchangeable gratings and light sources enabling wavelength coverage from 0.3 to 5.0 micron at sub nanometer resolution. The SDCL also has cryostats capable of maintaining thermal control of detector subassemblies and transfer optics to a precision of 0.1K at 77K and 0.01K at 4K. Using this calibration system, we have calibrated the EEM and ETU detector for read noise, dark current, modulation transfer function, quantum efficiency, cross talk, and total system throughput. The data were collected using standard Photon Transfer Curve techniques at the various wavelengths corresponding to the MVIC filter bandpasses. Here, we will present the data for the engineering unit, the methodology used to perform the calibration, and the steps forward for calibration of the flight unit.

Citation Download Citation

Todd J. Veach, Amanda J. Bayless, Peter W. Roming, Greg Bredthauer, and Joseph Tufts "MVIC engineering array characterization in the SwRI detector calibration lab", Proc. SPIE 11115, UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts IX, 111151A (9 September 2019); https://doi.org/10.1117/12.2530005

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