Title :
A broadband green astro-comb for sub-10 cm/s calibration on astrophysical spectrographs
Author :
Chih-Hao Li ; Glenday, Alexander G. ; Langellier, Nicholas ; Zibrov, Alexander ; Guoqing Chang ; Li-Jin Chen ; Furesz, Gabor ; Kartner, Franz ; Phillips, David F. ; Sasselov, Dimitar ; Szentgyorgyi, Andrew ; Walsworth, Ronald L.
Author_Institution :
Harvard Smithsonian Center for Astrophys., Cambridge, MA, USA
Abstract :
We report development of an astro-comb providing >7000 lines spaced by 16 GHz from 500-620 nm. A characterization with an FTS shows it can provide sub-10 cm/s calibration accuracy of astrophysical spectrographs performing exo-Earth searches.
Keywords :
Fourier transform optics; Fourier transform spectrometers; astronomical instruments; extrasolar planets; visible spectroscopy; FTS; Fourier transform spectrometer; astrophysical spectrographs; broadband green astro-comb; calibration; exo-Earth search; wavelength 500 nm to 620 nm; Accuracy; Calibration; Extraterrestrial measurements; Global Positioning System; Green products; Nonlinear optics; Optical fibers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
