New experimental results for SHG and DFG in AgGaGeS4

K. Miyata; V. Petrov; N. Umemura; K. Kato; N. Saito; S. Wada

doi:10.1117/12.698079

14 February 2007 New experimental results for SHG and DFG in AgGaGeS₄

K. Miyata, V. Petrov, N. Umemura, K. Kato, N. Saito, S. Wada

Proceedings Volume 6455, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VI; 645514 (2007) https://doi.org/10.1117/12.698079
Event: Lasers and Applications in Science and Engineering, 2007, San Jose, California, United States

Abstract

This paper reports the experimental results on the phase-matching properties of AgGaGeS₄ for second-harmonic generation (SHG) at 0.8 &mgr;m that was achieved by using the KTP optical parametric oscillator and difference-frequency generation (DFG) at 2 and 5-12 &mgr;m that were achieved by using the dual-wavelength emitting Ti:Sapphire laser and the Nd:YAG laser. Two AgGaGeS₄ samples showed locally different phase-matching conditions which were probably caused by the various crystal compositions. The new Sellmeier equations were constructed using the literature value of the refractive indices and compared with the experimental data. A satisfactory agreement between the model calculation and the experiments is obtained.

Citation Download Citation

K. Miyata, V. Petrov, N. Umemura, K. Kato, N. Saito, and S. Wada "New experimental results for SHG and DFG in AgGaGeS₄", Proc. SPIE 6455, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VI, 645514 (14 February 2007); https://doi.org/10.1117/12.698079

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