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24 September 2012 VIRUS spectrograph assembly and alignment procedures
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Abstract
We describe the mechanical assembly and optical alignment processes used to construct the Visual Integral-Field Replicable Unit Spectrograph (VIRUS) instrument. VIRUS is a set of 150+ optical spectrographs designed to support observations for the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX). To meet the instrument's manufacturing constraints, a production line will be set up to build subassemblies in parallel. To aid in the instrument's assembly and alignment, specialized fixtures and adjustment apparatuses have been developed. We describe the design and operations of the various optics alignment apparatuses, as well as the mirrors' alignment and bonding fixtures.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Travis Prochaska, Richard D. Allen, Emily Boster, D. L. DePoy, Benjamin Herbig, Gary J. Hill, Hanshin Lee, Jennifer L. Marshall, Emily C. Martin, William Meador, Jean-Philippe Rheault, Sarah E. Tuttle, and Brian L. Vattiat "VIRUS spectrograph assembly and alignment procedures", Proc. SPIE 8446, Ground-based and Airborne Instrumentation for Astronomy IV, 844651 (24 September 2012); https://doi.org/10.1117/12.925487
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