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31 October 2016 Diode laser array by spectral beam combing with a transmission grating
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Abstract
The 38.5 W spectral combined beam of a 19-element 940 nm diode laser bar has been demonstrated in the spectral beam combining experiment by using a Beam Transformation System (BTS). The outputs had a diffraction-limited beam quality in the fast axis and M2=10.5 in the slow axis. Spectral beam combining was achieved by using an external cavity including a transmission diffraction grating.
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Quan Zhou, Changhe Zhou, Chunlong Wei, and Na Yu "Diode laser array by spectral beam combing with a transmission grating", Proc. SPIE 10022, Holography, Diffractive Optics, and Applications VII, 1002217 (31 October 2016); https://doi.org/10.1117/12.2245933
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