University of California/San Diego's mid-IR astronomical array camera

Robert K. Pina; Barbara Jones; Richard Charles Puetter

doi:10.1117/12.158719

20 October 1993 University of California/San Diego's mid-IR astronomical array camera

Robert K. Pina, Barbara Jones, Richard Charles Puetter

Proceedings Volume 1946, Infrared Detectors and Instrumentation; (1993) https://doi.org/10.1117/12.158719
Event: Optical Engineering and Photonics in Aerospace Sensing, 1993, Orlando, FL, United States

Abstract

We have implemented an infrared array camera for high-background, ground-based astronomical imaging in the mid-infrared spectral region from 5 to 27 microns. The camera is built around a 20 X 64 element Si:As Impurity Band Conduction (IBC) device manufactured by GenCorp Aerojet Electronic Systems Division. Observations with the camera on a 1.5 meter telescope (Mt. Lemmon Observing Facility, Tucson, Arizona) yield a noise- equivalent flux density (NEFD) of 23.5 mJy min^-1/2 arcsec^-2 at (lambda) equals 10 micrometers , (Delta) (lambda) equals 1 micrometers , and a readout frame rate of 366 Hz. We discuss the design and implementation of the camera and operational procedures for observation in a high-background environment (e.g. background subtraction and flat-fielding). We also present sample images obtained with our camera.

Citation Download Citation

Robert K. Pina, Barbara Jones, and Richard Charles Puetter "University of California/San Diego's mid-IR astronomical array camera", Proc. SPIE 1946, Infrared Detectors and Instrumentation, (20 October 1993); https://doi.org/10.1117/12.158719

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