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2 March 2020 Generating kW laser light at 532 nm via second harmonic generation of a high power Yb-doped fiber amplifier
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Abstract
We present the development of a high-power laser source operating at 532 nm produced by frequency doubling a Ybdoped fiber amplifier. The fiber amplifier has a multistage design, and uses large mode area Yb-doped fibers as the gain medium to produce > 2 kW of laser power at 1064 nm. The amplifier design is optimized to reduce non-linear effects, and operates at linewidths as narrow as 45 GHz. By focusing the fiber amplifier output into an LBO crystal, more than 1 kW of 532 nm light is produced. Single pass conversion efficiencies as high as 54% are achieved providing a unique combination of high power and high quality 532 nm laser source. The 532 nm laser is fiber coupled, making it an ideal source for industrial applications.
Conference Presentation
© (2020) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Peyman Ahmadi, Daniel Creeden, Daniel Aschaffenburg, Vadim Mokan, Mitchell Underwood, Andrea Caprara, Qi-Ze Shu, Luis Spinelli, John Minelly, and Ivaylo Nikolov "Generating kW laser light at 532 nm via second harmonic generation of a high power Yb-doped fiber amplifier", Proc. SPIE 11264, Nonlinear Frequency Generation and Conversion: Materials and Devices XIX, 1126414 (2 March 2020); https://doi.org/10.1117/12.2546377
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