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Optical Frequency Comb Calibrated Near Infrared Solar Heterodyne Spectroscopy
Connor Fredrick, Freja Olsen, Ryan Terrien +3
We perform heterodyne spectroscopy at 1.56 micron with a tunable laser and thermal radiation from the Sun. The laser tuning is calibrated with a frequency comb, providing a simple…
A near infrared frequency comb for Y+J band astronomical spectroscopy
Steve Osterman, Gabriel G. Ycas, Scott A. Diddams +8
Radial velocity (RV) surveys supported by high precision wavelength references (notably ThAr lamps and I2 cells) have successfully identified hundreds of exoplanets; however, as th…
A High-Resolution Atlas of Uranium-Neon in the H Band
Stephen L. Redman, Gabriel G. Ycas, Ryan Terrien +8
We present a high-resolution (R ~ 50 000) atlas of a uranium-neon (U/Ne) hollow-cathode spectrum in the H-band (1454 nm to 1638 nm) for the calibration of near-infrared spectrograp…
A Near Infrared Laser Frequency Comb for High Precision Doppler Planet Surveys
S. Osterman, S. Diddams, F. Quinlan +3
We discuss the laser frequency comb as a near infrared astronomical wavelength reference, and describe progress towards a near infrared laser frequency comb at the National Institu…