External cavity design of high-power diode laser for polarized helium-3 neutron spin filters based on spin-exchange optical pumping

Y. Arimoto, T. Ino, H. M. Shimizu, T. Kamiyama, H. Kira, T. Oku, Y. Sakaguchi, K. Kakurai, K. Sakai, J. Suzuki, S. Koizumi, M. Arai, Y. Endo, M. Nakamura, T. Shinohara, M. Takeda, S. Wakimoto, D. Yamazaki, K. Ohoymama, H. HirakaK. Yamada, K. Tsutsumi, L. J. Chang

研究成果: Article

4 引文 斯高帕斯(Scopus)

摘要

Polarized neutron spin filters are being developed based on spin-exchange optical pumping. In the present study a high-power diode laser (85 W) was used to excite Rb atoms and the laser linewidth was narrowed using an external cavity. The optics in the external cavity were designed by ray tracing. The ray-trace calculations demonstrated that a doublet lens in front of the laser eliminates aberrations. The maximum spectral peak height in the doublet optics was found to be 25% higher than for a singlet lens.

原文English
頁(從 - 到)2439-2442
頁數4
期刊Physica B: Condensed Matter
406
發行號12
DOIs
出版狀態Published - 2011 六月

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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    Arimoto, Y., Ino, T., Shimizu, H. M., Kamiyama, T., Kira, H., Oku, T., Sakaguchi, Y., Kakurai, K., Sakai, K., Suzuki, J., Koizumi, S., Arai, M., Endo, Y., Nakamura, M., Shinohara, T., Takeda, M., Wakimoto, S., Yamazaki, D., Ohoymama, K., ... Chang, L. J. (2011). External cavity design of high-power diode laser for polarized helium-3 neutron spin filters based on spin-exchange optical pumping. Physica B: Condensed Matter, 406(12), 2439-2442. https://doi.org/10.1016/j.physb.2010.11.089