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Efficient pumping of Rb vapor by high-power volume Bragg diode laser
A Gourevitch1, G Venus, V Smirnov
1CREOL, The College of Optics and Photonics, University of Central Florida, P.O. Box 162700, Orlando, Florida 32816-2700, USA. agourevi@creol.ucf.edu
Optics Letters
|September 4, 2007
Abstract:
A 2W cw laser diode (LD) with an external cavity produced by a reflecting volume Bragg grating (VBG) demonstrated a spectral width of 7GHz (full width at half-maximum) at 780nm. The device output power exceeded 90% of the output power of the free-running LD. The emission wavelength was tuned over a 300pm range by thermal control of the VBG. Rb vapor was shown to absorb more than 95% of the laser radiation.
