8 September 2006 Efficient and versatile internal reference sources for remote sensing space telescopes
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Abstract
Access to an internal calibration reference system during flight is an important requirement for contemporary remote sensing missions. L-3 Communications SSG-Tinsley has designed, built, and tested a novel internal calibration source based on ribbon sources. Via a flip-in mirror, the source assembly couples light through the field stop of an off-axis reimaging telescope to provide a reliable test of the following optics and electronics. Non-imaging illumination design principles assure uniform illumination of the sensor focal plane at levels adjustable over a very wide dynamic range. The source assembly can be packaged into a compact, lightweight, and efficient flight unit for convenient installation at an accessible location on the telescope. While the prototype source was specifically designed to match the GIFTS telescope as a representative example of an off-axis re-imaging telescope, the design principles are flexible to allow optimization for any comparable telescope system.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Eric C. Kintner, Wallace K. Wong, Eric S. Jacobs, Paul J. Cucchiaro, R. John Koshel, "Efficient and versatile internal reference sources for remote sensing space telescopes", Proc. SPIE 6297, Infrared Spaceborne Remote Sensing XIV, 62970F (8 September 2006); doi: 10.1117/12.684214; https://doi.org/10.1117/12.684214
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