Design and construction of a 76m long-travel laser enclosure for a space occulter testbed

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

doi:10.1117/12.2231093

22 July 2016 Design and construction of a 76m long-travel laser enclosure for a space occulter testbed

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

Author Affiliations +

Proceedings Volume 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II; 99126N (2016) https://doi.org/10.1117/12.2231093
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

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, and 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); https://doi.org/10.1117/12.2231093

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