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Passive Q-switching of an Er3+:Yb3+ fiber laser with a fiberized liquefying gallium mirror

Passive Q-switching of an Er3+:Yb3+ fiber laser with a fiberized liquefying gallium mirror
Passive Q-switching of an Er3+:Yb3+ fiber laser with a fiberized liquefying gallium mirror
We report a new technique for passive Q-switching of low-power lasers, which exploits nonlinear reflection from a liquefying gallium mirror. Self-start Q-switching has been achieved in an Er3+:Yb3+ fiber laser for circulating intracavity powers of only a few milliwatts. The laser produced a continuous train of pulses as short as 1µs at repetition rates of a few tens of kilohertz with peak powers of 0.5W. Due to the broadband reflective nature of the nonlinearity of gallium, the technique should be applicable to a wide range of laser systems.
Q-switched lasers, gallium, optical fibre lasers, nonlinear media, nonlinear optics
0030-4018
239-243
Petropoulos, Periklis
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Dhanjal, Sukhminder
d5c0d159-da43-47c4-b71e-051f88cf84b1
Richardson, David J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Zheludev, Nikolay I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Petropoulos, Periklis
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Dhanjal, Sukhminder
d5c0d159-da43-47c4-b71e-051f88cf84b1
Richardson, David J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Zheludev, Nikolay I.
32fb6af7-97e4-4d11-bca6-805745e40cc6

Petropoulos, Periklis, Dhanjal, Sukhminder, Richardson, David J. and Zheludev, Nikolay I. (1999) Passive Q-switching of an Er3+:Yb3+ fiber laser with a fiberized liquefying gallium mirror. Optics Communications, 166 (1-6), 239-243. (doi:10.1016/S0030-4018(99)00280-1).

Record type: Article

Abstract

We report a new technique for passive Q-switching of low-power lasers, which exploits nonlinear reflection from a liquefying gallium mirror. Self-start Q-switching has been achieved in an Er3+:Yb3+ fiber laser for circulating intracavity powers of only a few milliwatts. The laser produced a continuous train of pulses as short as 1µs at repetition rates of a few tens of kilohertz with peak powers of 0.5W. Due to the broadband reflective nature of the nonlinearity of gallium, the technique should be applicable to a wide range of laser systems.

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More information

Published date: August 1999
Keywords: Q-switched lasers, gallium, optical fibre lasers, nonlinear media, nonlinear optics

Identifiers

Local EPrints ID: 77798
URI: https://eprints.soton.ac.uk/id/eprint/77798
ISSN: 0030-4018
PURE UUID: db5e7bf3-1b9b-4278-bbb8-714212ba22db
ORCID for Periklis Petropoulos: ORCID iD orcid.org/0000-0002-1576-8034
ORCID for David J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058
ORCID for Nikolay I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

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Date deposited: 11 Mar 2010
Last modified: 26 Nov 2019 02:05

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Contributors

Author: Sukhminder Dhanjal

University divisions

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