The 67th JSAP Spring Meeting 2020

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Oral presentation

3 Optics and Photonics » 3.5 Laser system and materials

[12a-B508-1~11] 3.5 Laser system and materials

Thu. Mar 12, 2020 9:00 AM - 12:00 PM B508 (2-508)

Nobuhiro Umemura(Chitose Inst. of Sci. & Tech.), Ryo Yasuhara(NIFS)

10:30 AM - 10:45 AM

▲ [12a-B508-6] Diode-pumped Nd:GdVO4 self-Raman vortex laser at 382 cm-1 shift

〇(D)Yuanyuan Ma1, Andrew J Lee2, Helen M Pask2, Takashige Omatsu1,3 (1.Chiba Univ., 2.MQ Photonics Research Center, 3.Molecular Chirality Research Center)

Keywords:optical vortices, Raman effect, laser resonators

We demonstrate the direct generation of 1108 nm and 1173 nm vortex modes from a diode-pumped self-Raman Nd:GdVO4 laser by employing an annular pumping geometry formed of an axicon lens and an objective lens.