Frequency doubling of ps Ti:sapphire laser with PPMgLN waveguide for spin polarization of 3He

K. Kyutoku; H. Kumagai; A. Kobayashi

doi:10.1117/12.699993

14 February 2007 Frequency doubling of ps Ti:sapphire laser with PPMgLN waveguide for spin polarization of ³He

K. Kyutoku, H. Kumagai, A. Kobayashi

Proceedings Volume 6455, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VI; 645506 (2007) https://doi.org/10.1117/12.699993
Event: Lasers and Applications in Science and Engineering, 2007, San Jose, California, United States

Abstract

We have demonstrated single-pass frequency doubling of a ps Ti:sapphire laser with a periodically poled lithium niobate (PPLN) waveguide for spin polarization of ³He. Since the refractive index of PPLN varies with tuning the temperature, it is possible to control optimum fundamental wavelength for the second harmonic generation. We indicated that the tuning rate was about 0.06 nm/K. Moreover, we used the SHG light to conduct optogalvanic spectroscopy, which demonstrated that the linewidth of the SHG light could be incorporated in optical pumping transitions for the spin polarization

Citation Download Citation

K. Kyutoku, H. Kumagai, and A. Kobayashi "Frequency doubling of ps Ti:sapphire laser with PPMgLN waveguide for spin polarization of ³He", Proc. SPIE 6455, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VI, 645506 (14 February 2007); https://doi.org/10.1117/12.699993

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