Single-pass high-gain 1.9 μm optical fiber gas Raman laser

Z. Wang, F. Yu, W.J. Wadsworth, J.C. Knight

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A single-pass high-gain 1.9 μm fiber gas laser, based on vibrational stimulated Raman scattering in a hydrogen-filled hollow core photonic crystal fiber, is reported. Efficient conversion to the first-order vibrational Stokes wave of 1907 nm is obtained in a low loss negative curvature hollow core fiber with a length of 6.5 m, which is filled with high pressure hydrogen pumped with a linearly polarized 1064 nm microchip pulse laser. The maximum power conversion efficiency, which is more than 27% at 2.3 MPa hydrogen pressure, and a quantum conversion efficiency of 48% are achieved. The maximum laser average power is about 10 mW,and the maximum peak power is more than 2000 W. It provides a potentially effective method to obtain broadly tunable mid-IR fiber lasers of high power and narrow linewidth.
Original languageEnglish
Article number0814004
Number of pages6
JournalGuangxue Xuebao/Acta Optica Sinica
Volume34
Issue number8
DOIs
Publication statusPublished - 10 Aug 2014

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gas lasers
Raman lasers
high gain
Optical fibers
Hydrogen
optical fibers
Gases
Fiber lasers
Conversion efficiency
fiber lasers
Lasers
hollow
hydrogen
Stimulated Raman scattering
Gas lasers
fibers
Photonic crystal fibers
Linewidth
infrared lasers
lasers

Cite this

Single-pass high-gain 1.9 μm optical fiber gas Raman laser. / Wang, Z.; Yu, F.; Wadsworth, W.J.; Knight, J.C.

In: Guangxue Xuebao/Acta Optica Sinica, Vol. 34, No. 8, 0814004, 10.08.2014.

Research output: Contribution to journalArticle

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