Seed-source tuning of a broadband noncollinear optical parametric generator based on periodically poled LiNbO3

S. Haidar; T. Usami; Junichi Shikata; Hiromasa Ito

doi:10.1117/1.1525278

1 January 2003 Seed-source tuning of a broadband noncollinear optical parametric generator based on periodically poled LiNbO₃

S. Haidar, T. Usami, Junichi Shikata, Hiromasa Ito

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Optical Engineering, Vol. 42, Issue 1, (January 2003). https://doi.org/10.1117/1.1525278

We report a noncollinear optical parametric generator (OPG) using periodically poled LiNbO₃ (PPLN) pumped by a Nd:YAG laser. Signal tuning is achieved from 1.58 to 1.81 μm by angular rotation of the PPLN crystal. A signal linewidth of 68 nm was found at 1.76 μm. A 532-nm-pumped narrow-linewidth OPG is employed for its idler to serve as a seed source for the Nd:YAG-pumped broadband OPG. Tuning the seed wavelength only, tuning of the noncollinear OPG is achieved, with its linewidth reduced to 1.7 nm throughout its bandwidth. Such a system can be employed for wavelength division multiplexing, optical coherence tomography, and spectroscopy.

©(2003) Society of Photo-Optical Instrumentation Engineers (SPIE)

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S. Haidar, T. Usami, Junichi Shikata, and Hiromasa Ito "Seed-source tuning of a broadband noncollinear optical parametric generator based on periodically poled LiNbO₃," Optical Engineering 42(1), (1 January 2003). https://doi.org/10.1117/1.1525278

Published: 1 January 2003

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