Generation of tunable picosecond pulses in the vibrational infrared by stimulated electronic Raman scattering of rhodamine-dye-laser pulses from the 6s-5d cesium transition

M. Berg, Alex Harris, J. K. Brown, C. B. Harris

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25 Citations (Scopus)

Abstract

The first reported use of a rhodamine-dye laser to generate tunable high-power picosecond pulses in the vibrational infrared is described. By using stimulated electronic Raman scattering from the 6s-5d transition in a superheated cesium vapor, we have shifted I-psec pulses from an amplified rhodamine-dye laser (568-590 nm) to 3040-2320 cm-1 (3.3-4.3 µm). Somewhat longer pulses have been shifted to 1950 cm-1 (5.1 µm). Peak infrared energies of 11 µJ, representing a quantum efficiency of 4.6%, were obtained at a 10-Hz repetition rate. Tuning to longer wavelengths with short pulses is limited by nonlinear processes but should be possible by further reductions of cesium dimer effects.

Original languageEnglish
Pages (from-to)50-52
Number of pages3
JournalOptics Letters
Volume9
Issue number2
DOIs
Publication statusPublished - 1984

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picosecond pulses
rhodamine
cesium
dye lasers
Raman spectra
pulses
electronics
cesium vapor
quantum efficiency
repetition
tuning
dimers
wavelengths
energy

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

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abstract = "The first reported use of a rhodamine-dye laser to generate tunable high-power picosecond pulses in the vibrational infrared is described. By using stimulated electronic Raman scattering from the 6s-5d transition in a superheated cesium vapor, we have shifted I-psec pulses from an amplified rhodamine-dye laser (568-590 nm) to 3040-2320 cm-1 (3.3-4.3 µm). Somewhat longer pulses have been shifted to 1950 cm-1 (5.1 µm). Peak infrared energies of 11 µJ, representing a quantum efficiency of 4.6{\%}, were obtained at a 10-Hz repetition rate. Tuning to longer wavelengths with short pulses is limited by nonlinear processes but should be possible by further reductions of cesium dimer effects.",
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AU - Harris, Alex

AU - Brown, J. K.

AU - Harris, C. B.

PY - 1984

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AB - The first reported use of a rhodamine-dye laser to generate tunable high-power picosecond pulses in the vibrational infrared is described. By using stimulated electronic Raman scattering from the 6s-5d transition in a superheated cesium vapor, we have shifted I-psec pulses from an amplified rhodamine-dye laser (568-590 nm) to 3040-2320 cm-1 (3.3-4.3 µm). Somewhat longer pulses have been shifted to 1950 cm-1 (5.1 µm). Peak infrared energies of 11 µJ, representing a quantum efficiency of 4.6%, were obtained at a 10-Hz repetition rate. Tuning to longer wavelengths with short pulses is limited by nonlinear processes but should be possible by further reductions of cesium dimer effects.

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