A system to provide sub-milliKelvin temperature control at T~300K for extreme precision optical radial velocimetry

Paul M. Robertson; Frederick R. Hearty; Tyler B. Anderson; Gudmundur K. Stefánsson; Eric I. Levi; Chad F. Bender; Suvrath Mahadevan; Samuel P. Halverson; Andrew J. Monson; Lawrence W. Ramsey; Arpita Roy; Christian Schwab; Ryan C. Terrien; Matthew J. Nelson; Basil Blank

doi:10.1117/12.2231311

13 September 2016 A system to provide sub-milliKelvin temperature control at T~300K for extreme precision optical radial velocimetry

Paul M. Robertson, Frederick R. Hearty, Tyler B. Anderson, Gudmundur K. Stefánsson, Eric I. Levi, Chad F. Bender, Suvrath Mahadevan, Samuel P. Halverson, Andrew J. Monson, Lawrence W. Ramsey, Arpita Roy, Christian Schwab, Ryan C. Terrien, Matthew J. Nelson, Basil Blank

Author Affiliations +

Proceedings Volume 9908, Ground-based and Airborne Instrumentation for Astronomy VI; 990862 (2016) https://doi.org/10.1117/12.2231311
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

We present preliminary results for the environmental control system from NEID, our instrument concept for NASA's Extreme Precision Doppler Spectrograph, which is now in development. Exquisite temperature control is a requirement for Doppler spectrographs, as small temperature shifts induce systematic Doppler shifts far exceeding the instrumental specifications. Our system is adapted from that of the Habitable Zone Planet Finder instrument, which operates at a temperature of 180K.We discuss system modifications for operation at T ~ 300K, and show data demonstrating sub-mK stability over two weeks from a full-scale system test.

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Paul M. Robertson, Frederick R. Hearty, Tyler B. Anderson, Gudmundur K. Stefánsson, Eric I. Levi, Chad F. Bender, Suvrath Mahadevan, Samuel P. Halverson, Andrew J. Monson, Lawrence W. Ramsey, Arpita Roy, Christian Schwab, Ryan C. Terrien, Matthew J. Nelson, and Basil Blank "A system to provide sub-milliKelvin temperature control at T~300K for extreme precision optical radial velocimetry", Proc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI, 990862 (13 September 2016); https://doi.org/10.1117/12.2231311

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