Mix and match as you go: integration/test of the first beam switch module production that splits wavelengths, scrambles beams, and switches fibers for the VIRUS2 instrument

Hanshin Lee; Brian L. Vattiat; Gary J. Hill; Niv Drory; Jason Ramsey; John Good

doi:10.1117/12.2627345

29 August 2022 Mix and match as you go: integration/test of the first beam switch module production that splits wavelengths, scrambles beams, and switches fibers for the VIRUS2 instrument

Hanshin Lee, Brian L. Vattiat, Gary J. Hill, Niv Drory, Jason Ramsey, John Good

Author Affiliations +

Proceedings Volume 12184, Ground-based and Airborne Instrumentation for Astronomy IX; 121846L (2022) https://doi.org/10.1117/12.2627345
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Conference Poster

Abstract

We detail the results from integration/test (I&T) of the first beam switch module (BSM) for the VIRUS2 instrument. The BSM acts as a switch that splits wavelengths and scrambles beams, aiming for high-throughput delivery of bandpass-matched stable point spread functions to each of 24 VIRUS2 unit-spectrographs. The BSM is one possible blueprint of a dedicated device that streamlines a “mix and match” process between different spatial samples at the telescope focus and different kinds of back-end spectrographs tuned for a variety of band-passes and spectral/spatial samplings, potentially beneficial to wide/deep surveys on the Extremely Large Telescopes.

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Hanshin Lee, Brian L. Vattiat, Gary J. Hill, Niv Drory, Jason Ramsey, and John Good "Mix and match as you go: integration/test of the first beam switch module production that splits wavelengths, scrambles beams, and switches fibers for the VIRUS2 instrument", Proc. SPIE 12184, Ground-based and Airborne Instrumentation for Astronomy IX, 121846L (29 August 2022); https://doi.org/10.1117/12.2627345

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