31 January 2013 Development of a new, precise near-infrared Doppler wavelength reference: a fiber Fabry-Perot interferometer
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Abstract
We present performance reports of a new near-infrared (NIR) Fiber-Fabry Perot Interferometer (FFP) as a precise Doppler radial velocity (RV) wavelength reference. FFPs are monolithic single-mode fiber devices that create emission spectra by interfering light traversing separate delay paths. The resulting interference spectrum provides a rich distribution of narrow lines, ideal for use as a precise spectrograph reference. The FFP has the advantages that the uniform density of emission lines gives a much wider bandwidth over which RV measurements are possible, and the finesse and bandwidth can be optimized for the specific application.
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Samuel Halverson, Samuel Halverson, Suvrath Mahadevan, Suvrath Mahadevan, Lawrence W Ramsey, Lawrence W Ramsey, Stephen Redman, Stephen Redman, Gillian Nave, Gillian Nave, John C Wilson, John C Wilson, Fred Hearty, Fred Hearty, Jon Holtzman, Jon Holtzman, "Development of a new, precise near-infrared Doppler wavelength reference: a fiber Fabry-Perot interferometer", Proc. SPIE 8446, Ground-based and Airborne Instrumentation for Astronomy IV, 84468Q (31 January 2013); doi: 10.1117/12.925716; https://doi.org/10.1117/12.925716
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