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27 February 2015 Frequency doubling of near-infrared radiation enhanced by a multi-pass cavity for the second-harmonic wave
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Abstract
In this work, we demonstrate frequency doubling of a DBR tapered diode laser operating around 1064 nm in a nonlinear bulk crystal enhanced by a multi-pass cavity resonant for the generated green light. This novel approach to generate visible laser radiation is characterized by an increased conversion efficiency in comparison to a single-pass configuration. Through the proper choice of the standing wave plane-parallel cavity parameters, the introduced concept requires no impedance matching and frequency locking. A maximum second-harmonic power of 1 W at a conversion efficiency of 20 % is achieved.
© (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
D. Jedrzejczyk, R. Güther, K. Paschke, and G. Erbert "Frequency doubling of near-infrared radiation enhanced by a multi-pass cavity for the second-harmonic wave", Proc. SPIE 9347, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIV, 934709 (27 February 2015); https://doi.org/10.1117/12.2078295
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