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Infra-red stimulated Raman generation effects of gain focusing on threshold and tuning behaviour

Infra-red stimulated Raman generation effects of gain focusing on threshold and tuning behaviour
Infra-red stimulated Raman generation effects of gain focusing on threshold and tuning behaviour
It is shown that for generation of infrared radiation by stimulated Raman scattering, the diffraction spread of the Stokes wave can have a significant effect on the threshold. Compared with an analysis in which gain focussing is neglected, the threshold powers may be much higher with a corresponding reduction in tuning range. The design of a Raman oscillator is considerably influenced by these diffraction effects, and also it is found that the Stokes wave is subject to frequency-pulling which is dependent on the pump power.
0946-2171
333-340
Cotter, D.
9d657c35-133b-4a10-ab9b-f3f08ff7e79c
Hanna, D.C.
3da5a5b4-71c2-4441-bb67-21f0d28a187d
Wyatt, R.
d7d60d3d-5391-43fe-a2b1-bddc0c03244a
Cotter, D.
9d657c35-133b-4a10-ab9b-f3f08ff7e79c
Hanna, D.C.
3da5a5b4-71c2-4441-bb67-21f0d28a187d
Wyatt, R.
d7d60d3d-5391-43fe-a2b1-bddc0c03244a

Cotter, D., Hanna, D.C. and Wyatt, R. (1975) Infra-red stimulated Raman generation effects of gain focusing on threshold and tuning behaviour. Applied Physics B: Lasers and Optics, 8 (4), 333-340. (doi:10.1007/BF00898367).

Record type: Article

Abstract

It is shown that for generation of infrared radiation by stimulated Raman scattering, the diffraction spread of the Stokes wave can have a significant effect on the threshold. Compared with an analysis in which gain focussing is neglected, the threshold powers may be much higher with a corresponding reduction in tuning range. The design of a Raman oscillator is considerably influenced by these diffraction effects, and also it is found that the Stokes wave is subject to frequency-pulling which is dependent on the pump power.

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Published date: December 1975

Identifiers

Local EPrints ID: 78797
URI: http://eprints.soton.ac.uk/id/eprint/78797
ISSN: 0946-2171
PURE UUID: e7edf002-e8f7-4990-86c2-1798188c688f

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Date deposited: 11 Mar 2010
Last modified: 10 Dec 2021 17:29

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Contributors

Author: D. Cotter
Author: D.C. Hanna
Author: R. Wyatt

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