Liebe, Carl Christian and Craig, William and Kim, Yunjin and McLean, Ryan and Meras, Patrick, Jr. and Raffanti, Michael and Scholz, Christopher (2012) Calibration and alignment of metrology system for the Nuclear Spectroscopic Telescope Array mission. Optical Engineering, 51 (4). Art. No. 043605. ISSN 0091-3286. doi:10.1117/1.OE.51.4.043605. https://resolver.caltech.edu/CaltechAUTHORS:20120614-122052306
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Abstract
A metrology system to measure the on-orbit movement of a ten meter mast has been built for the Nuclear Spectroscopic Telescope Array (NuSTAR) x-ray observatory. In this paper, the metrology system is described, and the performance is measured. The laser beam stability is discussed in detail. Pre-launch alignment and calibration are also described. The invisible infrared laser beams must be aligned to their corresponding detectors without deploying the telescope in Earth’s gravity. Finally, a possible method for in-flight calibration of the metrology system is described.
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| Additional Information: | © 2012 Society of Photo-Optical Instrumentation Engineers (SPIE). Paper 111097 received Sep 08, 2011; Accepted Feb 10, 2012; Revised Feb 08, 2012; Published online Apr 16, 2012. The research described in this paper was carried out at the Jet Propulsion Laboratory, California Institute of Technology, Space Radiation Laboratory, California Institute of Technology and Space Sciences Laboratory, U.C. Berkeley and was sponsored by the National Aeronautics and Space Administration. References herein to any specific commercial product, process or service by trademark, manufacturer, or otherwise, does not constitute or imply its endorsement by the United States Government or the Jet Propulsion Laboratory, California Institute of Technology, Space Radiation Laboratory, California Institute of Technology or Space Sciences Laboratory, U.C. Berkeley. | |||||||||
| Group: | NuSTAR, Space Radiation Laboratory | |||||||||
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| Subject Keywords: | NuSTAR; metrology system; alignment | |||||||||
| Issue or Number: | 4 | |||||||||
| DOI: | 10.1117/1.OE.51.4.043605 | |||||||||
| Record Number: | CaltechAUTHORS:20120614-122052306 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20120614-122052306 | |||||||||
| Official Citation: | Carl Christian Liebe, William Craig, Yunjin Kim, Ryan McLean, Jr. Patrick Meras, Michael Raffanti and Christopher Scholz, "Calibration and alignment of metrology system for the Nuclear Spectroscopic Telescope Array mission", Opt. Eng. 51, 043605 (Apr 16, 2012); http://dx.doi.org/10.1117/1.OE.51.4.043605 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 31906 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | INVALID USER | |||||||||
| Deposited On: | 18 Jun 2012 15:00 | |||||||||
| Last Modified: | 09 Nov 2021 20:02 |
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