All-fiber high-conversion-efficiency supercontinuum source based on photonic crystal fiber with low nonlinear coefficient

lin honghuan; xu dangpeng; zhao lei; wang jianjun; zhang rui; deng ying

Volume 23 Issue 01

Sep. 2012

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Article Navigation > High Power Laser and Particle Beams > 2011 > 23(01): 0-

Zhangyaofeng. Ionization beam profile monitor design for tandem accelerator[J]. High Power Laser and Particle Beams, 2012, 24: 1589-1594.

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lin honghuan, xu dangpeng, zhao lei, et al. All-fiber high-conversion-efficiency supercontinuum source based on photonic crystal fiber with low nonlinear coefficient[J]. High Power Laser and Particle Beams, 2011, 23.

Zhangyaofeng. Ionization beam profile monitor design for tandem accelerator[J]. High Power Laser and Particle Beams, 2012, 24: 1589-1594.

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All-fiber high-conversion-efficiency supercontinuum source based on photonic crystal fiber with low nonlinear coefficient

1.
Research Center of Laser Fusion,CAEP,P.O.Box 919-988,Mianyang 621900,China

Publish Date: 2010-12-27

Abstract

Abstract

An all-fiber high-efficiency supercontinuum source based on photonic crystal fiber with low nonlinear coefficient was demonstrated. The pulse train with 5 ps duration, 20 MHz repetition rate, and 50 mW average power output from a mode locked fiber laser was amplified by a 15 μm-diameter large mode fiber amplifier. The output fiber of the amplifier was mode-matched to the photonic crystal fiber using two pieces of short fibers with narrower mode diameter. By pumping the 20 m long low nonlinear coefficient phontonic crystal fiber, a supercontinuum with wavelength extension over 650～1 700 nm was obtained. The output power of the generated supercontinuum was 670 mW pumped by 740 mW input amplified pulses, which implies a conversion efficiency over 90%. The supercontinuum generation process w
- photonics crystal fiber,
- supercontinuum,
- all fiber,
- conversion efficiency

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