Title :
A tunable laser system for the wavelength calibration of astronomical spectrographs
Author :
Cramer, Claire E. ; Brown, Steven ; Caldwell, Nelson ; Dupree, Andrea K. ; Korzennik, Sylvain G. ; Lykke, Keith R. ; Szentgyorgyi, Andrew
Author_Institution :
Harvard Univ., Cambridge, MA, USA
Abstract :
Precise wavelength calibration of the multi-object echelle spectrographs used in searches for extrasolar planets is an unsolved problem in astrophysical instrumentation. We present results from a novel tunable laser calibration system that achieves unprecedented precision.
Keywords :
astronomical instruments; astronomical spectra; calibration; extrasolar planets; laser tuning; spectrometers; astronomical spectrographs; astrophysical instrumentation; extrasolar planets; tunable laser system; wavelength calibration; Calibration; Charge coupled devices; Fiber lasers; Filters; Lamps; Laser noise; Laser tuning; Pump lasers; Ring lasers; Tunable circuits and devices; 120.3930; 300.6550;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8