Calibration of an Astrophysical Spectrograph Below 1 m/s Using a Laser Frequency Comb

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Calibration of an Astrophysical Spectrograph Below 1 m/s Using a Laser Frequency Comb

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Title: Calibration of an Astrophysical Spectrograph Below 1 m/s Using a Laser Frequency Comb
Author: Phillips, David Forrest; Glenday, Alexander G.; Li, Chih-Hao; Cramer, Claire; Furesz, Gabor; Chang, Guoqing; Benedick, Andrew J.; Chen, Li-Jin; Szentgyorgyi, Andrew H.; Walsworth, Ronald L.

Note: Order does not necessarily reflect citation order of authors.

Citation: Phillips, David F., Alexander G. Glenday, Chih-Hao Li, Claire Cramer, Gabor Furesz, Guoqing Chang, Andrew J. Benedick, et al. 2012. Calibration of an Astrophysical Spectrograph Below 1 m/s Using a Laser Frequency Comb. Optics Express 20, no. 13: 13711-13726.
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Abstract: We deployed two wavelength calibrators based on laser frequency combs (“astro-combs”) at an astronomical telescope. One astro- comb operated over a 100 nm band in the deep red (∼ 800 nm) and a second operated over a 20 nm band in the blue (∼ 400 nm). We used these red and blue astro-combs to calibrate a high-resolution astrophysical spectrograph integrated with a 1.5 m telescope, and demonstrated calibration precision and stability sufficient to enable detection of changes in stellar radial velocity < 1 m/s.
Published Version: doi:10.1364/OE.20.013711
Other Sources: http://walsworth.physics.harvard.edu/publications/2012_Phillips_OptExp.pdf
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:11878774
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