Title :
Calibration of an astronomical spectrograph using a 25 GHz laser frequency comb
Author :
Ycas, G. ; Diddams, S. ; Quinlan, F. ; Osterman, S. ; Bender, C. ; Mahadevan, Suvrath ; Ramsey, L. ; Redman, S. ; Terrien, R.
Author_Institution :
Dept. of Phys., Univ. of Colorado, Boulder, CO, USA
Abstract :
A 25 GHz frequency comb for calibration of astronomical spectrographs in the 1.4-1.65 μm region is demonstrated with the R=50,000 λ/Δλ Pathfinder spectrograph at the Hobby-Eberly telescope.
Keywords :
astronomical telescopes; calibration; laser beam applications; laser mode locking; spectrometers; Hobby-Eberly telescope; astronomical spectrograph; calibration; frequency 25 GHz; laser frequency comb; mode-locked laser; pathfinder spectrograph; wavelength 1.4 mum to 1.65 mum; Calibration; Laser mode locking; Nonlinear optics; Optical fiber amplifiers; Optical fiber dispersion;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4