A prototype of the NFIRAOS to instrument thermo-mechanical interface

Alexis Hill; Peter Byrnes; Joeleff Fitzsimmons; Glen Herriot; Vlad Reshetov; Kei Szeto; Calvin Winter; Yan Pennec; Sam Lambert; Evan Poulton; Jeffrey Doyle

doi:10.1117/12.2232848

22 July 2016 A prototype of the NFIRAOS to instrument thermo-mechanical interface

Alexis Hill, Peter Byrnes, Joeleff Fitzsimmons, Glen Herriot, Vlad Reshetov, Kei Szeto, Calvin Winter, Yan Pennec, Sam Lambert, Evan Poulton, Jeffrey Doyle

Author Affiliations +

Proceedings Volume 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II; 991202 (2016) https://doi.org/10.1117/12.2232848
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

NFIRAOS is the first light adaptive optics system for the Thirty Meter Telescope (TMT). NFIRAOS components are maintained at a stable -30°C ±0.5°C by embedding an actively cooled refrigeration system in the walls of the NFIRAOS enclosure. Three instruments are attached to interface ports in the NFIRAOS enclosure and are required to be thermally stable while the instrument rotates in place. Additionally, instruments must be installed and removed while NFIRAOS is cold to avoid lengthy cool-down cycles. A portion of the actively cooled enclosure system and the interface has been prototyped at NRC-Herzberg. We present a description of the design of the interface and results of testing so far and lessons learned.

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Alexis Hill, Peter Byrnes, Joeleff Fitzsimmons, Glen Herriot, Vlad Reshetov, Kei Szeto, Calvin Winter, Yan Pennec, Sam Lambert, Evan Poulton, and Jeffrey Doyle "A prototype of the NFIRAOS to instrument thermo-mechanical interface", Proc. SPIE 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II, 991202 (22 July 2016); https://doi.org/10.1117/12.2232848

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KEYWORDS

Interfaces

Prototyping

IRIS Consortium

Skin

Aluminum

Thirty Meter Telescope

Liquids

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