Development of a 350 W, 50 μm, 0.15 NA wavelength stabilized fiber coupled laser diode module for pumping Yb-doped fiber laser

Hao Yu; Shaoyang Tan; Huadong Pan; Shujuan Sun; Juan Li; Jun Wang

doi:10.1117/12.2544336

2 March 2020 Development of a 350 W, 50 μm, 0.15 NA wavelength stabilized fiber coupled laser diode module for pumping Yb-doped fiber laser

Hao Yu, Shaoyang Tan, Huadong Pan, Shujuan Sun, Juan Li, Jun Wang

Author Affiliations +

Proceedings Volume 11262, High-Power Diode Laser Technology XVIII; 112620V (2020) https://doi.org/10.1117/12.2544336
Event: SPIE LASE, 2020, San Francisco, California, United States

Abstract

The paper reports on the design and development of an innovative high power and high brightness laser diode module that is capable of delivering more than 350 W at 976 nm in a standard 0.2 NA 50/125 fiber and 95% of power is in 0.15 NA. This module combines Everbright's multi-emitter modules assembled with 50 μm ridge width 976 nm laser diode chips through dense wavelength beam combining (DWBC) and polarization combining. The intrinsic wavelength stabilization of DWBC technology allows the use of the module for efficiently pumping Yb-doped fiber lasers.

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Citation Download Citation

Hao Yu, Shaoyang Tan, Huadong Pan, Shujuan Sun, Juan Li, and Jun Wang "Development of a 350 W, 50 μm, 0.15 NA wavelength stabilized fiber coupled laser diode module for pumping Yb-doped fiber laser", Proc. SPIE 11262, High-Power Diode Laser Technology XVIII, 112620V (2 March 2020); https://doi.org/10.1117/12.2544336

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