Efficient Raman shifting of high-energy picosecond pulses into the eye-safe 1.5-µm spectral region by use of a KGd(WO4)_2 crystal

Arkady Major, J.S. Aitchison, Peter W.E. Smith, Nigel Langford, Allister I. Ferguson

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

We report an efficient transient stimulated Raman conversion of high-energy picosecond pulses at 1350 nm into the eye-safe 1500-nm wavelength range by use of a KGd(WO4)_2 crystal. The conversion efficiency into either 1503- or 1537-nm radiation (767- or 901-cm^-1 Raman modes, respectively) is measured to be ~10% in a single-pass configuration. The transient Raman gain coefficient is found to be ~0.8 cm/GW. Simultaneous generation of multiple Raman lines is also observed.
LanguageEnglish
Pages421-423
Number of pages2
JournalOptics Letters
Volume30
Issue number4
DOIs
Publication statusPublished - Feb 2005

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picosecond pulses
crystals
energy
radiation
coefficients
configurations
wavelengths

Keywords

  • Nonlinear optics
  • materials
  • Raman effect
  • ultrafast nonlinear optics
  • scattering
  • stimulated Raman
  • photonics

Cite this

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title = "Efficient Raman shifting of high-energy picosecond pulses into the eye-safe 1.5-µm spectral region by use of a KGd(WO4)_2 crystal",
abstract = "We report an efficient transient stimulated Raman conversion of high-energy picosecond pulses at 1350 nm into the eye-safe 1500-nm wavelength range by use of a KGd(WO4)_2 crystal. The conversion efficiency into either 1503- or 1537-nm radiation (767- or 901-cm^-1 Raman modes, respectively) is measured to be ~10{\%} in a single-pass configuration. The transient Raman gain coefficient is found to be ~0.8 cm/GW. Simultaneous generation of multiple Raman lines is also observed.",
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Efficient Raman shifting of high-energy picosecond pulses into the eye-safe 1.5-µm spectral region by use of a KGd(WO4)_2 crystal. / Major, Arkady; Aitchison, J.S.; Smith, Peter W.E.; Langford, Nigel; Ferguson, Allister I.

In: Optics Letters, Vol. 30, No. 4, 02.2005, p. 421-423.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Efficient Raman shifting of high-energy picosecond pulses into the eye-safe 1.5-µm spectral region by use of a KGd(WO4)_2 crystal

AU - Major, Arkady

AU - Aitchison, J.S.

AU - Smith, Peter W.E.

AU - Langford, Nigel

AU - Ferguson, Allister I.

PY - 2005/2

Y1 - 2005/2

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AB - We report an efficient transient stimulated Raman conversion of high-energy picosecond pulses at 1350 nm into the eye-safe 1500-nm wavelength range by use of a KGd(WO4)_2 crystal. The conversion efficiency into either 1503- or 1537-nm radiation (767- or 901-cm^-1 Raman modes, respectively) is measured to be ~10% in a single-pass configuration. The transient Raman gain coefficient is found to be ~0.8 cm/GW. Simultaneous generation of multiple Raman lines is also observed.

KW - Nonlinear optics

KW - materials

KW - Raman effect

KW - ultrafast nonlinear optics

KW - scattering

KW - stimulated Raman

KW - photonics

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