25 May 2011 Progress in commercial wavelength-stabilized high-brightness diode sources suitable for pumping Yb-doped fiber lasers
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Abstract
We report on the performance of a 100 W, 105μm, 0.17 NA (filled) fiber-coupled module operating at 976 nm. Volume holographic (Bragg) gratings are used to stabilize the emission spectrum to a 0.2 nm linewidth and wavelengthtemperature coefficient below 0.01nm/°C with virtually no penalty to the operating power or efficiency of the device. The typical fiber coupling efficiency for this design is >90%, enabling a rated operating efficiency of ~50%, the highest reported for a 100W/105μm-class diode pump module (wavelength stabilized or otherwise).
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Aaron Brown, Aaron Brown, Paul Leisher, Paul Leisher, Geoff Fanning, Geoff Fanning, Scott Lerner, Scott Lerner, Zhigang Chen, Zhigang Chen, Ling Bao, Ling Bao, Mike Grimshaw, Mike Grimshaw, Mark DeVito, Mark DeVito, Kirk Price, Kirk Price, Keith Kennedy, Keith Kennedy, Shelly Lin, Shelly Lin, Mitchell Reynolds, Mitchell Reynolds, Scott Karlsen, Scott Karlsen, Jay Small, Jay Small, Robert Martinsen, Robert Martinsen, Jim Haden, Jim Haden, } "Progress in commercial wavelength-stabilized high-brightness diode sources suitable for pumping Yb-doped fiber lasers", Proc. SPIE 8039, Laser Technology for Defense and Security VII, 80390O (25 May 2011); doi: 10.1117/12.883194; https://doi.org/10.1117/12.883194
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