Critical science instrument alignment of the James Webb Space Telescope (JWST) Integrated Science Instrument Module (ISIM)

Scott O. Rohrbach; David A. Kubalak; Renee M. Gracey; Derek S. Sabatke; Joseph M. Howard; Randal C. Telfer; Thomas P. Zielinski

doi:10.1117/12.2238825

27 September 2016 Critical science instrument alignment of the James Webb Space Telescope (JWST) Integrated Science Instrument Module (ISIM)

Scott O. Rohrbach, David A. Kubalak, Renee M. Gracey, Derek S. Sabatke, Joseph M. Howard, Randal C. Telfer, Thomas P. Zielinski

Author Affiliations +

Proceedings Volume 9951, Optical System Alignment, Tolerancing, and Verification X; 995106 (2016) https://doi.org/10.1117/12.2238825
Event: SPIE Optical Engineering + Applications, 2016, San Diego, California, United States

Abstract

This paper describes the critical instrument alignment terms associated with the six-degree of freedom alignment of each the Science Instrument (SI) in the James Webb Space Telescope (JWST), including focus, pupil shear, pupil clocking, and boresight. We present the test methods used during cryogenic-vacuum tests to directly measure the performance of each parameter, the requirements levied on each, and the impact of any violations of these requirements at the instrument and Observatory level.

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Scott O. Rohrbach, David A. Kubalak, Renee M. Gracey, Derek S. Sabatke, Joseph M. Howard, Randal C. Telfer, and Thomas P. Zielinski "Critical science instrument alignment of the James Webb Space Telescope (JWST) Integrated Science Instrument Module (ISIM)", Proc. SPIE 9951, Optical System Alignment, Tolerancing, and Verification X, 995106 (27 September 2016); https://doi.org/10.1117/12.2238825

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