Generating kW Laser Light at 532 nm via Second Harmonic Generation of a High Power Yb-Doped Fiber Amplifier

被引：14

作者：

Ahmadi, Peyman ^{[1
]}

Creeden, Daniel ^{[1
]}

Aschaffenburg, Daniel ^{[1
]}

Mokan, Vadim ^{[1
]}

Underwood, Mitchell

Caprara, Andrea ^{[2
]}

Shu, Qi-Ze ^{[2
]}

Spinelli, Luis ^{[2
]}

Minelly, John ^{[2
]}

Nikolov, Ivaylo ^{[3
]}

机构：

[1] Coherent Nufern, 7 Airport Pk Rd, East Granby, CT 06026 USA

[2] 5100 Patrick Henry Dr, Santa Clara, CA 95054 USA

[3] 200 Int Dr, Mt Olive, NJ 07828 USA

来源：

NONLINEAR FREQUENCY GENERATION AND CONVERSION: MATERIALS AND DEVICES XIX | 2020年 / 11264卷

关键词：

Second Harmonic Generation; fiber amplifier; non-linear; 532; nm; CONTINUOUS-WAVE;

D O I：

10.1117/12.2546377

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present the development of a high-power laser source operating at 532 nm produced by frequency doubling a Yb-doped fiber amplifier. The fiber amplifier has a multistage design, and uses large mode area Yb-doped fibers as the gain medium to produce > 2 kW of laser power at 1064 nm. The amplifier design is optimized to reduce non-linear effects, and operates at linewidths as narrow as 45 GHz. By focusing the fiber amplifier output into an LBO crystal, more than 1 kW of 532 nm light is produced. Single pass conversion efficiencies as high as 54% are achieved providing a unique combination of high power and high quality 532 nm laser source. The 532 nm laser is fiber coupled, making it an ideal source for industrial applications.

引用

页数：6

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