22 July 2016 Design and construction of a 76m long-travel laser enclosure for a space occulter testbed
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Abstract
Princeton University is upgrading our space occulter testbed. In particular, we are lengthening it to ~76m to achieve flightlike Fresnel numbers. This much longer testbed required an all-new enclosure design. In this design, we prioritized modularity and the use of commercial off-the-shelf (COTS) and semi-COTS components. Several of the technical challenges encountered included an unexpected slow beam drift and black paint selection. Herein we describe the design and construction of this long-travel laser enclosure.
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Michael Galvin, Yunjong Kim, N. Jeremy Kasdin, Dan Sirbu, Robert Vanderbei, Dan Echeverri, Giuseppe Sagolla, Andreas Rousing, Kunjithapatham Balasubramanian, Daniel Ryan, Stuart Shaklan, Doug Lisman, "Design and construction of a 76m long-travel laser enclosure for a space occulter testbed", Proc. SPIE 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II, 99126N (22 July 2016); doi: 10.1117/12.2231093; https://doi.org/10.1117/12.2231093
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