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1 April 2022 High power diffraction-limited tapered diode lasers at 885 nm and 980 nm
Jenna Campbell, Michelle Labrecque, Kevin McClune, Fedor Talantov, Elliot Burke, Daniel S. Renner, Milan L. Mashanovitch, Leif A. Johansson, Paul O. Leisher
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Proceedings Volume PC11983, High-Power Diode Laser Technology XX; PC1198305 (2022) https://doi.org/10.1117/12.2611182
Event: SPIE LASE, 2022, San Francisco, California, United States
Abstract
Broad area diode lasers operate with high power and efficiency but suffer from poor beam quality. Diffraction-limited lasers with equivalent power offer a disruptive alternative for applications ranging from fiber laser pumping to automotive LIDAR. We report >9 W continuous output power with 50% E/O from tapered diode lasers at 885 and 980 nm. We show for the first time that beam quality degradation with increasing injection is completely mitigated and maintain a slow-axis M^2 of 1.3 from threshold to rollover. These devices are suitable for use as the building block of geometrical, spectral, and coherent beam combined arrays.
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Jenna Campbell, Michelle Labrecque, Kevin McClune, Fedor Talantov, Elliot Burke, Daniel S. Renner, Milan L. Mashanovitch, Leif A. Johansson, and Paul O. Leisher "High power diffraction-limited tapered diode lasers at 885 nm and 980 nm", Proc. SPIE PC11983, High-Power Diode Laser Technology XX, PC1198305 (1 April 2022); https://doi.org/10.1117/12.2611182
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KEYWORDS
High power lasers
Semiconductor lasers
Fiber lasers
Broad area laser diodes
Laser applications
LIDAR
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