14 February 2007 Noncritical phase-matched difference-frequency generation in AgGa1-xInxS2
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We have demonstrated the 90° phase-matched type-I difference-frequency generation (DFG) in AgGa1-xInxS2 with x = 0.14 by mixing the dual-wavelength pulses emitted from an electronically tuned Ti:sapphire laser. Infrared radiation continuously tunable over the range of 4.8-6.98&mgr;m was generated by independently varying the two wavelengths in the spectral range of 705-932nm. In addition, 4.04&mgr;m radiation was generated by mixing a Nd:YAG laser with the Ti:Sapphire laser in the same crystal. Sellmeier equations that reproduce well the experimentally obtained data for these processes are presented.
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Saumyabrata Banerjee, Saumyabrata Banerjee, Kiyoshi Kato, Kiyoshi Kato, } "Noncritical phase-matched difference-frequency generation in AgGa1-xInxS2", Proc. SPIE 6455, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VI, 645513 (14 February 2007); doi: 10.1117/12.698047; https://doi.org/10.1117/12.698047

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