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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…
Generation of a 650 nm - 2000 nm Laser Frequency Comb based on an Erbium-Doped Fiber Laser
Gabriel Ycas, Steve Osterman, Scott A. Diddams
We present a laser frequency comb based upon a 250 MHz mode-locked erbium-doped fiber laser that spans more than 300 terahertz of bandwidth, from 660 nm to 2000 nm. The system gene…
Demonstration of On-Sky Calibration of Astronomical Spectra using a 25 GHz near-IR Laser Frequency Comb
Gabriel G. Ycas, Franklyn Quinlan, Scott A. Diddams +8
We describe and characterize a 25 GHz laser frequency comb based on a cavity-filtered erbium fiber mode-locked laser. The comb provides a uniform array of optical frequencies spann…