Static optic mount design and fabrication for infrared astronomy on SCALES instrument

Cristian A. Rodriguez; Christopher Ratliff; Nicholas MacDonald; Renate Kupke; Daren Dillon; Isabel Kain; Deno Stelter; Andy Skemer

doi:10.1117/12.3019516

19 July 2024 Static optic mount design and fabrication for infrared astronomy on SCALES instrument

Cristian A. Rodriguez, Christopher Ratliff, Nicholas MacDonald, Renate Kupke, Daren Dillon, Isabel Kain, Deno Stelter, Andy Skemer

Author Affiliations +

Proceedings Volume 13096, Ground-based and Airborne Instrumentation for Astronomy X; 1309670 (2024) https://doi.org/10.1117/12.3019516
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

The challenges met in the design of cryogenic instruments for infrared astronomy involve a certain level of uncertainty in the dynamic responses of mechanical components when going from warm to cold. These types of responses include differential contraction of unlike materials, slipping between contact surfaces, and potential for warping of mechanical components depending on stresses inherently present in material. This paper will go over the design and manufacturing principles practiced to mitigate these types of variables that would result in a detriment to performance. The optics, mounts, and alignment features detailed in this paper are to be used for the Slicer Combined with an Array of Lenslets for Exoplanet Spectroscopy (SCALES) instrument, a 2-5 micron coronagraphic integral field spectrograph under construction for Keck Observatory.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Cristian A. Rodriguez, Christopher Ratliff, Nicholas MacDonald, Renate Kupke, Daren Dillon, Isabel Kain, Deno Stelter, and Andy Skemer "Static optic mount design and fabrication for infrared astronomy on SCALES instrument", Proc. SPIE 13096, Ground-based and Airborne Instrumentation for Astronomy X, 1309670 (19 July 2024); https://doi.org/10.1117/12.3019516

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