A Tunable Picosecond Dye Laser for Use in Dioxin Analysis.

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  • TAKEYASU Nobuyuki
    Department of Applied Chemistry, Graduate School of Engineering, Kyushu University
  • DEGUCHI Takayuki
    Department of Applied Chemistry, Graduate School of Engineering, Kyushu University
  • TSUTSUMIKAWA Manami
    Department of Applied Chemistry, Graduate School of Engineering, Kyushu University
  • MATSUMOTO Junichi
    Department of Applied Chemistry, Graduate School of Engineering, Kyushu University
  • IMASAKA Totaro
    Department of Applied Chemistry, Graduate School of Engineering, Kyushu University

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  • Tunable Picosecond Dye Laser for Use in Dioxin Analysis

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Abstract

A distributed-feedback dye laser with a quenching cavity was designed and constructed for generating a tunable picosecond pulse with a narrow spectral linewidth. This nearly transform-limited pulse was succeedingly amplified by a triple-pass off-axis amplifier. The pulse duration and the spectral linewidth were 60 ps and 9.4 pm, respectively. The amplified pulse was frequency-doubled by second-harmonic generation, producing a 0.5-mJ pulse with no background emission. The potential advantage of this laser in the analysis of dioxin based on supersonic jet/resonance-enhanced multiphoton ionization/mass spectrometry is discussed.

Journal

  • Analytical Sciences

    Analytical Sciences 18 (3), 243-246, 2002

    The Japan Society for Analytical Chemistry

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