Multistage Yb-doped fiber amplifier generating megawatt peak-power, subnanosecond pulses

被引：40

作者：

Di Teodoro, F ^{[1
]}

Brooks, CD ^{[1
]}

机构：

[1] Aculight Corp, Bothell, WA 98011 USA

来源：

OPTICS LETTERS | 2005年 / 30卷 / 24期

关键词：

D O I：

10.1364/OL.30.003299

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A Q-switched microchip laser generating 1064 nm wavelength, subnanosecond pulses at a 13.4 kHz repetition rate was used to seed a dual-stage amplifier featuring a 40 mu m core Yb-doped photonic-crystal fiber (PCF) as the power amplifier. From this source, we obtained diffraction-limited (M-2 = 1.05), similar to 450 ps pulses of energy >0.7 mJ, peak power in excess of 1.5 MW, and an average power of similar to 9.5 W. By further amplifying the PCF output in a multimode 140 mu m core Yb-doped fiber, we generated a peak power in excess of 4.5 MW, the highest obtained in a fiber source to our knowledge. (c) 2005 Optical Society of America

引用

页码：3299 / 3301

页数：3

共 9 条

[1]

Agrawal G., 2001, Nonlinear Fibers Optics, V3rd

[2] High-energy and high-peak-power nanosecond pulse generation with beam quality control in 200-μm core highly multimode Yb-doped fiber amplifiers [J].