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[期刊论文]

High-power all-fiber mid-infrared supercontinuum laser source

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Author:

Liu, Jiang (Liu, Jiang.) | Liu, Kun (Liu, Kun.) | Shi, Hongxing (Shi, Hongxing.) | Unfold

Indexed by:

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Abstract:

A high-power all-fiber mid-infrared supercontinuum laser source that consists of a 1.55 μm nanosecond-pulsed erbium-doped fiber laser, a cladding-pumped thulium-doped fiber amplifier and a segment of single-mode ZBLAN fiber is reported. Firstly, the pulse breaks up through modulation instability and the laser shifts to a longer wavelength through Raman processes in the single-mode fiber. Secondly, the nanosecond pulses are amplified through a thulium-doped fiber amplifier. Finally, the output spectrum from the thulium-doped fiber amplifier is extended to the mid-infrared wavelength by using a segment of single-mode ZBLAN fiber. The output power from the ZBLAN fiber is 2.2 W with the launched pump power of 3.95 W at 2.0 μm wavelength region, the emission spans the wavelength range from 1.9 μm to 3.75 μm with a 10 dB bandwidth of greater than 1600 nm. In addition, a higher output power mid-infrared supercontinuum laser source is achieved by increasing the average output power of the thulium-doped fiber amplifier. The ZBLAN fiber produces an average output power of 16.2 W with the coupling pump power of 21 W at 2.0 μm wavelength region, the emission spans the wavelength range from 1.9 μm to 3.5 μm.

Keyword:

Single mode fibers Fiber amplifiers Infrared devices Pulsed lasers Erbium doped fiber amplifiers Thulium Fiber lasers Ultrafast lasers Optical pumping Glass fibers Optical parametric oscillators

Author Community:

  • [ 1 ] [Liu, Jiang]National Center of Laser Technology, Institute of Laser Engineering, Beijing University of Technology, Beijing ; 100124, China
  • [ 2 ] [Liu, Kun]National Center of Laser Technology, Institute of Laser Engineering, Beijing University of Technology, Beijing ; 100124, China
  • [ 3 ] [Shi, Hongxing]National Center of Laser Technology, Institute of Laser Engineering, Beijing University of Technology, Beijing ; 100124, China
  • [ 4 ] [Tan, Fangzhou]National Center of Laser Technology, Institute of Laser Engineering, Beijing University of Technology, Beijing ; 100124, China
  • [ 5 ] [Wang, Pu]National Center of Laser Technology, Institute of Laser Engineering, Beijing University of Technology, Beijing ; 100124, China

Reprint Author's Address:

  • [wang, pu]national center of laser technology, institute of laser engineering, beijing university of technology, beijing ; 100124, china

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Source :

Chinese Journal of Lasers

ISSN: 0258-7025

Year: 2014

Issue: 9

Volume: 41

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 10

30 Days PV: 1

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