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Proceedings Article

High-power (1.1W) green (532nm) laser source based on single-pass second harmonic generation on a compact micro-optical bench

[+] Author Affiliations
P. Q. Liu

Ferdinand-Braun-Institut (Germany) and Princeton Univ. (USA)

C. Fiebig, M. Uebernickel, G. Blume, D. Feise, A. Sahm, D. Jedrzejczyk, K. Paschke, G. Erbert

Ferdinand-Braun-Institut (Germany)

Proc. SPIE 7917, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications X, 791704 (February 21, 2011); doi:10.1117/12.878013
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From Conference Volume 7917

  • Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications X
  • Konstantin L. Vodopyanov
  • San Francisco, California, USA | January 22, 2011

abstract

We demonstrate a compact high-power green (532nm) laser module based on single-pass second harmonic generation. The pump source is a distributed Bragg reflector tapered diode laser. The frequency conversion is achieved with a 2.5 cm long periodically poled MgO:LiNbO3 bulk crystal. The entire module is integrated on a compact micro-optical bench with a footprint of 2.5 cm3. Up to 1.1 W output green light power is achieved at a pump power of 7.6 W with an optical conversion efficiency of about 15% and a corresponding module wall-plug efficiency of more than 4%. The green laser beam has a relatively good beam quality (measured at output power level of ~0.9 W) with M²σ=1.8 in the vertical direction and M²=4.9 in the lateral direction, respectively. The long-term output power stability is ±10% (tested at output power level of ~0.6 W).

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

P. Q. Liu ; C. Fiebig ; M. Uebernickel ; G. Blume ; D. Feise, et al.
"High-power (1.1W) green (532nm) laser source based on single-pass second harmonic generation on a compact micro-optical bench", Proc. SPIE 7917, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications X, 791704 (February 21, 2011); doi:10.1117/12.878013; http://dx.doi.org/10.1117/12.878013


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