SRS in the strong-focusing regime for Raman amplifiers

Research output: Contribution to journalArticleResearchpeer-review

Abstract

The theoretical analysis of stimulated Raman scattering (SRS) in crystalline amplifiers with a tightly-focused pump geometry is presented. We predict the minimum Stokes seed power required for an efficient Raman power amplifier and verify this result experimentally. Conversion of a pump to a Stokes beam in a single-pass diamond amplifier is demonstrated using nanosecond pulses with gains of 5.8 from a 1.2-kW peak-power Stokes seed beam. The results demonstrate the possibility of amplifying and combining high-power continuous-wave lasers using current diamond Raman laser technology.

LanguageEnglish
Pages15012-15020
Number of pages9
JournalOptics Express
Volume23
Issue number11
DOIs
Publication statusPublished - 1 Jun 2015

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seeds
amplifiers
diamonds
Raman spectra
pumps
Raman lasers
continuous wave lasers
power amplifiers
high power lasers
geometry
pulses

Cite this

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abstract = "The theoretical analysis of stimulated Raman scattering (SRS) in crystalline amplifiers with a tightly-focused pump geometry is presented. We predict the minimum Stokes seed power required for an efficient Raman power amplifier and verify this result experimentally. Conversion of a pump to a Stokes beam in a single-pass diamond amplifier is demonstrated using nanosecond pulses with gains of 5.8 from a 1.2-kW peak-power Stokes seed beam. The results demonstrate the possibility of amplifying and combining high-power continuous-wave lasers using current diamond Raman laser technology.",
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SRS in the strong-focusing regime for Raman amplifiers. / McKay, Aaron; Mildren, Richard P.; Coutts, David W.; Spence, David J.

In: Optics Express, Vol. 23, No. 11, 01.06.2015, p. 15012-15020.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Coutts, David W.

AU - Spence, David J.

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AB - The theoretical analysis of stimulated Raman scattering (SRS) in crystalline amplifiers with a tightly-focused pump geometry is presented. We predict the minimum Stokes seed power required for an efficient Raman power amplifier and verify this result experimentally. Conversion of a pump to a Stokes beam in a single-pass diamond amplifier is demonstrated using nanosecond pulses with gains of 5.8 from a 1.2-kW peak-power Stokes seed beam. The results demonstrate the possibility of amplifying and combining high-power continuous-wave lasers using current diamond Raman laser technology.

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