Generation of radially polarized high energy mid-infrared optical vortex by use of a passive axially symmetric ZnSe waveplate

Toshitaka Wakayama, Hiroki Oikawa, Atsushi Sasanuma, Goki Arai, Yusuke Fujii, Thanh Hung Dinh, Takeshi Higashiguchi, Kazuyuki Sakaue, Masakazu Washio, Taisuke Miura, Akihiko Takahashi, Daisuke Nakamura, Tatsuo Okada, Motoki Yonemura, Yukitoshi Otani

研究成果: Contribution to journalArticle

5 被引用数 (Scopus)

抄録

We demonstrated the generation of the intense radially polarized mid-infrared optical vortex at a wavelength of 10.6μm by use of a passive axially symmetric zinc selenide (ZnSe) waveplate with high energy pulse throughput. The phase of the radially polarized optical vortex with the degree of polarization of 0.95 was spirally distributed in regard to the angle. The converted laser beam energy of about 2.6 mJ per pulse was obtained at the input pulse energy of 4.9 mJ, corresponding to the energy conversion efficiency of 56%.

本文言語英語
論文番号081112
ジャーナルApplied Physics Letters
107
8
DOI
出版ステータス出版済み - 8 24 2015

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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