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Proceedings Paper

Power scaling of a wavelength-narrowed diode laser system for pumping alkali vapors
Author(s): F. W. Hersman; J. H. Distelbrink; J. Ketel; J. Wilson; D. W. Watt
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Paper Abstract

We report a method for locking the output wavelength and reducing the spectral linewidth of diode lasers by feeding back light to the emitters from a wavelength selective external optical cavity. Ten years ago our team developed a stepped-mirror that allowed a single external cavity to lock the wavelength of a stack of diode array bars by equalizing path lengths between each emitter and the grating. Here we report combining one such step-mirror external cavity with an array of power dividers, each sending a portion of this feedback power to a separate diode array bar stack.

Paper Details

Date Published: 22 April 2016
PDF: 7 pages
Proc. SPIE 9729, High Energy/Average Power Lasers and Intense Beam Applications IX, 972905 (22 April 2016); doi: 10.1117/12.2211356
Show Author Affiliations
F. W. Hersman, The Univ. of New Hampshire (United States)
Xemed LLC (United States)
J. H. Distelbrink, Xemed LLC (United States)
J. Ketel, Xemed LLC (United States)
J. Wilson, Xemed LLC (United States)
D. W. Watt, Xemed LLC (United States)

Published in SPIE Proceedings Vol. 9729:
High Energy/Average Power Lasers and Intense Beam Applications IX
Steven J. Davis; Michael C. Heaven; J. Thomas Schriempf, Editor(s)

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