Enhancement of molecular ions in mass spectrometry using an ultrashort optical pulse in multiphoton ionization

Takashi Shimizu; Yuka Watanabe-Ezoe; Satoshi Yamaguchi; Hiroko Tsukatani; Tomoko Imasaka; Shin Ichi Zaitsu; Tomohiro Uchimura; Totaro Imasaka

doi:10.1021/ac1003773

Enhancement of molecular ions in mass spectrometry using an ultrashort optical pulse in multiphoton ionization

Takashi Shimizu, Yuka Watanabe-Ezoe, Satoshi Yamaguchi, Hiroko Tsukatani, Tomoko Imasaka, Shin Ichi Zaitsu, Tomohiro Uchimura, Totaro Imasaka

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

The spectral domain of an ultraviolet femtosecond laser was expanded by stimulated Raman scattering/four-wave Raman mixing, and the resulting laser pulse was compressed using a pair of gratings. The pulse width was then measured using an autocorrelator comprised of a Michelson interferometer equipped with a multiphoton ionization/mass spectrometer which was used as a two-photon detector. A gas chromatograph/mass spectrometer was employed to analyze triacetone triperoxide (TATP), and the molecular ion induced by multiphoton ionization was substantially enhanced by decreasing the laser pulse width.

Original language	English
Pages (from-to)	3441-3444
Number of pages	4
Journal	Analytical Chemistry
Volume	82
Issue number	9
DOIs	https://doi.org/10.1021/ac1003773
Publication status	Published - May 1 2010

All Science Journal Classification (ASJC) codes

Analytical Chemistry

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10.1021/ac1003773

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abstract = "The spectral domain of an ultraviolet femtosecond laser was expanded by stimulated Raman scattering/four-wave Raman mixing, and the resulting laser pulse was compressed using a pair of gratings. The pulse width was then measured using an autocorrelator comprised of a Michelson interferometer equipped with a multiphoton ionization/mass spectrometer which was used as a two-photon detector. A gas chromatograph/mass spectrometer was employed to analyze triacetone triperoxide (TATP), and the molecular ion induced by multiphoton ionization was substantially enhanced by decreasing the laser pulse width.",

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AU - Shimizu, Takashi

AU - Watanabe-Ezoe, Yuka

AU - Yamaguchi, Satoshi

AU - Tsukatani, Hiroko

AU - Imasaka, Tomoko

AU - Zaitsu, Shin Ichi

AU - Uchimura, Tomohiro

AU - Imasaka, Totaro

PY - 2010/5/1

Y1 - 2010/5/1

N2 - The spectral domain of an ultraviolet femtosecond laser was expanded by stimulated Raman scattering/four-wave Raman mixing, and the resulting laser pulse was compressed using a pair of gratings. The pulse width was then measured using an autocorrelator comprised of a Michelson interferometer equipped with a multiphoton ionization/mass spectrometer which was used as a two-photon detector. A gas chromatograph/mass spectrometer was employed to analyze triacetone triperoxide (TATP), and the molecular ion induced by multiphoton ionization was substantially enhanced by decreasing the laser pulse width.

AB - The spectral domain of an ultraviolet femtosecond laser was expanded by stimulated Raman scattering/four-wave Raman mixing, and the resulting laser pulse was compressed using a pair of gratings. The pulse width was then measured using an autocorrelator comprised of a Michelson interferometer equipped with a multiphoton ionization/mass spectrometer which was used as a two-photon detector. A gas chromatograph/mass spectrometer was employed to analyze triacetone triperoxide (TATP), and the molecular ion induced by multiphoton ionization was substantially enhanced by decreasing the laser pulse width.

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JO - Analytical Chemistry

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Enhancement of molecular ions in mass spectrometry using an ultrashort optical pulse in multiphoton ionization

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