Modeling and characterizing transmission windows for in-situ interferometric measurements of cryogenically cooled mirrors

Grant Cutler; Corey Austin; Lei Huang; Lance Lee; Daniele Cocco; Mourad Idir

doi:10.1117/12.2682619

3 October 2023 Modeling and characterizing transmission windows for in-situ interferometric measurements of cryogenically cooled mirrors

Grant Cutler, Corey Austin, Lei Huang, Lance Lee, Daniele Cocco, Mourad Idir

Author Affiliations +

Proceedings Volume 12695, Advances in Metrology for X-Ray and EUV Optics X; 1269508 (2023) https://doi.org/10.1117/12.2682619
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States

Abstract

In this paper we report on the modeling and characterization of transmission windows for in-situ interferometric measurements of cryogenically cooled mirrors. Specifically, we present a model of the temperature distribution and strain in the transmission window, and the corresponding spatial dependence of the window’s index of refraction. We also present experimental results which characterize the effect of the windows on interferometric measurement.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Grant Cutler, Corey Austin, Lei Huang, Lance Lee, Daniele Cocco, and Mourad Idir "Modeling and characterizing transmission windows for in-situ interferometric measurements of cryogenically cooled mirrors", Proc. SPIE 12695, Advances in Metrology for X-Ray and EUV Optics X, 1269508 (3 October 2023); https://doi.org/10.1117/12.2682619

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