Phase-matched frequency conversion below 150 nm in KBe2BO3F2

被引：36

作者：

Nakazato, Tomoharu ^{[1
]}

Ito, Isao ^{[2
]}

Kobayashi, Yohei ^{[2
]}

Wang, Xiaoyang ^{[3
]}

Chen, Chuangtian ^{[3
]}

Watanabe, Shuntaro ^{[1
]}

机构：

[1] Tokyo Univ Sci, Res Inst Sci & Technol, Yamazaki 2641, Noda, Chiba 2788510, Japan

[2] Univ Tokyo, Inst Solid State Phys, Kashiwanoha 5-1-5, Kashiwa, Chiba 2778581, Japan

[3] Chinese Acad Sci, Tech Inst Phys & Chem, Beijing 10080, Peoples R China

来源：

OPTICS EXPRESS | 2016年 / 24卷 / 15期

关键词：

TI-SAPPHIRE LASER; ULTRAVIOLET REGION; LIGHT-SOURCE; GENERATION; CRYSTAL; KBBF;

D O I：

10.1364/OE.24.017149

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Sum frequency mixing has been demonstrated below 150 nm in KBeBO3F2 by using the fundamental with its fourth harmonic of a 6 kHz Ti: sapphire laser system. The wavelength of 149.8 nm is the shortest ever obtained to our knowledge by phase matching in nonlinear crystals. The output powers were 3.6 mu W at 149.8 nm and 110 mu W at 154.0 nm, respectively. The phase matching angles measured from 149.8 to 158.1 nm are larger by 3-4 degrees than those expected from the existing Sellmeier equation. The measured transmission spectra of KBeBO3F2 crystals support the generation of coherent radiation below 150 nm. (C) 2016 Optical Society of America

引用

页码：17149 / 17158

页数：10

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