Paper
9 September 2005 Boresight and gimbal axis alignment for the CRISM instrument
Author Affiliations +
Proceedings Volume 5877, Optomechanics 2005; 58770A (2005) https://doi.org/10.1117/12.615289
Event: Optics and Photonics 2005, 2005, San Diego, California, United States
Abstract
Precise knowledge of the instrument boresight was required over the gimbal range for the CRISM Instrument (Compact Reconnaissance Imaging Spectrometer for Mars), which will fly aboard the Mars Reconnaissance Orbiter. Vector metrology techniques were applied to measure both the optical axis and the axis-of-rotation of the instrument housing about its mount (gimbal axis). Boresight stability was quantified through comparison of pre-environmental and post-environmental alignment data. In addition, checks were made of the instrument internal alignment and field-of-view. Distillation of the boresight data into gimbal axis and optical axis offset knowledge allowed the calculation of the instrument boresight at all gimbal settings. Finally, alignment information was mapped into the instrument reference cube, ensuring proper instrument orientation during installation.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
John Troll, Patrick Thompson, and David Humm "Boresight and gimbal axis alignment for the CRISM instrument", Proc. SPIE 5877, Optomechanics 2005, 58770A (9 September 2005); https://doi.org/10.1117/12.615289
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Cited by 2 scholarly publications.
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KEYWORDS
Mars Reconnaissance Orbiter

Optical alignment

Mirrors

Data modeling

Metrology

Optical testing

Reflectors

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