Nanosecond 389-nm coherent light source with injection seeding for nuclear spin polarization of 3He atoms

Yuta Aoki; Yasutomo Shiomi; Takeshi Yamamoto; Hiroshi Kumagai; Ataru Kobayashi

doi:10.1117/12.808168

27 February 2009 Nanosecond 389-nm coherent light source with injection seeding for nuclear spin polarization of ³He atoms

Yuta Aoki, Yasutomo Shiomi, Takeshi Yamamoto, Hiroshi Kumagai, Ataru Kobayashi

Author Affiliations +

Proceedings Volume 7193, Solid State Lasers XVIII: Technology and Devices; 71930X (2009) https://doi.org/10.1117/12.808168
Event: SPIE LASE: Lasers and Applications in Science and Engineering, 2009, San Jose, California, United States

Abstract

We have developed a 389-nm frequency-doubled nanosecond-pulsed coherent light source with injection seeding for nuclear polarization of ³He atoms with 2³S→3³P and then suggested four kinds of spectroscopic methods with the injection-seeded light source. With this light source, we have conducted saturated absorption spectroscopy of metastable ³He atoms. As a result, an accurate resonance frequency of 770682 GHz and a dip width of 1.7 GHz of metastable ³He atoms are obtained. Therefore, the linewidth of our injection-seeded light source can be estimated at 65 MHz or 1.7 GHz. Our light source has potential for the polarization of ³He due to high-peak power and narrow linewidth of the injection-seeded light source.

Citation Download Citation

Yuta Aoki, Yasutomo Shiomi, Takeshi Yamamoto, Hiroshi Kumagai, and Ataru Kobayashi "Nanosecond 389-nm coherent light source with injection seeding for nuclear spin polarization of ³He atoms", Proc. SPIE 7193, Solid State Lasers XVIII: Technology and Devices, 71930X (27 February 2009); https://doi.org/10.1117/12.808168

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