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, Michael Galvin, Yunjong Kim, Yunjong Kim, N. Jeremy Kasdin, N. Jeremy Kasdin, Dan Sirbu, Dan Sirbu, Robert Vanderbei, Robert Vanderbei, Dan Echeverri, Dan Echeverri, Giuseppe Sagolla, Giuseppe Sagolla, Andreas Rousing, Andreas Rousing, Kunjithapatham Balasubramanian, Kunjithapatham Balasubramanian, Daniel Ryan, Daniel Ryan, Stuart Shaklan, Stuart Shaklan, Doug Lisman, 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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