Efficient high-power continuous-wave lasers at green-lime-yellow wavelengths by using a Nd:YVO4 self-Raman crystal

被引：56

作者：

Chen, Y. F. ^{[1
]}

Pan, Y. Y. ^{[1
]}

Liu, Y. C. ^{[1
]}

Cheng, H. P. ^{[1
]}

Tsou, C. H. ^{[1
]}

Liang, H. C. ^{[2
]}

机构：

[1] Natl Chiao Tung Univ, Dept Electrophys, Hsinchu 30010, Taiwan

[2] Natl Taiwan Ocean Univ, Inst Optoelect Sci, Keelung 20224, Taiwan

来源：

OPTICS EXPRESS | 2019年 / 27卷 / 03期

关键词：

559; NM; CW LASER; MINIATURE; CONVERSION; ND-GDVO4;

D O I：

10.1364/OE.27.002029

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Efficient high-power continuous-wave Nd:YVO4 visible lasers at versatile wavelengths of 532 (green). 559 (lime). and 588 nm (yellow) are demonstrated to be achieved by using the identical cavity mirrors and gain medium. A dichroic coating is deposited on one end surface of the gain medium to gather the backward green-yellow emission. The green. lime. and yellow outputs are individually optimized by using different phase-matched lithium triborate (LBO) crystals for second harmonic generation (SHG) of the fundamental field, sum frequency generation (SFG) of the fundamental and the stimulated Raman fields. and SHG of the stimulated Raman field, respectively. At a pump power of 31.6 W, the output powers at 532, 559, and 588 nm can be up to 6.8. 5.4. and 3.1 W. The high efficient and compact Nd:YVO4 lasers at green-lime-yellow wavelengths can be potentially beneficial to future applications in retinal photocoagulation. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：2029 / 2035

页数：7

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