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17 March 2023 Ultra-robust watt-class single spatial mode 885 nm diode lasers
Michelle Labrecque, Jenna Campbell, Kevin McClune, Matthew Larkins, Elliot Burke, Daniel Renner, Milan Mashanovitch, Paul Leisher
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Proceedings Volume PC12402, Components and Packaging for Laser Systems IX; PC1240205 (2023) https://doi.org/10.1117/12.2650732
Event: SPIE LASE, 2023, San Francisco, California, United States
Abstract
Q-switched Nd-based lasers are used for a variety of medical and manufacturing applications and require extremely high efficiency and stability from the diode pump, but limited commercially available solutions exist for single spatial mode direct pumping of Nd-based lasers at 885 nm. To satisfy this need, Freedom Photonics has developed ultra-robust watt-class diffraction-limited 885 nm diode lasers. We are in the process of performing full reliability and lifetime assessments on our watt-class single-mode 885 nm diode lasers. To achieve high reliability, we employ facet passivation methods to protect against catastrophic optical mirror damage (COMD). Additionally, progress on the development of VBG-locked packages will be discussed. These devices may be used as reliable, high efficiency pumps for Nd-doped solid-state lasers.
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Michelle Labrecque, Jenna Campbell, Kevin McClune, Matthew Larkins, Elliot Burke, Daniel Renner, Milan Mashanovitch, and Paul Leisher "Ultra-robust watt-class single spatial mode 885 nm diode lasers", Proc. SPIE PC12402, Components and Packaging for Laser Systems IX, PC1240205 (17 March 2023); https://doi.org/10.1117/12.2650732
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KEYWORDS
Semiconductor lasers
Laser applications
Laser stabilization
Reliability
Manufacturing
Mirrors
Optical pumping
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