A near-infrared frequency comb for Y+J band astronomical spectroscopy

Steve Osterman; Gabriel G. Ycas; Scott A. Diddams; Franklyn Quinlan; Suvrath Mahadevan; Lawrence Ramsey; Chad F. Bender; Ryan Terrien; Brandon Botzer; Steinn Sigurdsson; Stephen L. Redman

doi:10.1117/12.926868

13 September 2012 A near-infrared frequency comb for Y+J band astronomical spectroscopy

Steve Osterman, Gabriel G. Ycas, Scott A. Diddams, Franklyn Quinlan, Suvrath Mahadevan, Lawrence Ramsey, Chad F. Bender, Ryan Terrien, Brandon Botzer, Steinn Sigurdsson, Stephen L. Redman

Author Affiliations +

Proceedings Volume 8450, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation II; 84501I (2012) https://doi.org/10.1117/12.926868
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

Radial velocity (RV) surveys supported by high precision wavelength references (notably ThAr lamps and I2 cells) have successfully identified hundreds of exoplanets; however, as the search for exoplanets moves to cooler, lower mass stars, the optimum wave band for observation for these objects moves into the near infrared (NIR) and new wavelength standards are required. To address this need we are following up our successful deployment of an H band(1.45-1.7μm) laser frequency comb based wavelength reference with a comb working in the Y and J bands (0.98-1.3μm). This comb will be optimized for use with a 50,000 resolution NIR spectrograph such as the Penn State Habitable Zone Planet Finder. We present design and performance details of the current Y+J band comb.

Citation Download Citation

Steve Osterman, Gabriel G. Ycas, Scott A. Diddams, Franklyn Quinlan, Suvrath Mahadevan, Lawrence Ramsey, Chad F. Bender, Ryan Terrien, Brandon Botzer, Steinn Sigurdsson, and Stephen L. Redman "A near-infrared frequency comb for Y+J band astronomical spectroscopy", Proc. SPIE 8450, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation II, 84501I (13 September 2012); https://doi.org/10.1117/12.926868

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