Tunable continuous-wave deep-ultraviolet laser based on Ce:LiCAF

被引：14

作者：

Wellmann, Barbara ^{[1
]}

Spence, David J. ^{[1
]}

Coutts, David W. ^{[1
]}

机构：

[1] Macquarie Univ, Fac Sci, Dept Phys & Astron, MQ Photon Res Ctr, N Ryde, NSW 2109, Australia

来源：

OPTICS LETTERS | 2014年 / 39卷 / 05期

基金：

澳大利亚研究理事会;

关键词：

ALL-SOLID-STATE; FLUORIDE-CRYSTALS; HIGH-ENERGY; GENERATION; NM; THRESHOLD; TRANSITION; RESONATOR; LIGHT;

D O I：

10.1364/OL.39.001306

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate chopped-cw lasing in a Ce:LiCAF oscillator directly generating deep-UV light around 290 nm. The cw output was achieved by asynchronous pumping of a Ce: LiCAF oscillator by a mode-locked frequency quadrupled Nd:YVO4 laser that generates 23 ps pulses of 266 nm light at a repetition rate of 80 MHz. The pump laser was chopped with 8.3% duty cycle to minimize thermal effects in the frequency quadrupling stage. The maximum output power achieved was 384 mW when pumped with 3.3 W of pulsed 266 nm light, with a slope efficiency of 33%. The laser output was tunable from 286 to 295 nm with the potential to be broadened over the full gain bandwidth of Ce: LiCAF from 280 to 315 nm. (C) 2014 Optical Society of America

引用

页码：1306 / 1309

页数：4

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