A simple method for the evaluation of the pulse width of an ultraviolet femtosecond laser used in two-photon ionization mass spectrometry

Tomoko Imasaka, Akifumi Hamachi, Tomoya Okuno, Totaro Imasaka

Research output: Contribution to journalArticle

Abstract

A simple method was proposed for on-site evaluation of the pulse width of an ultraviolet femtosecond laser coupled with a mass spectrometer. This technique was based on measurement of a two-photon ionization signal in mass spectrometry by translation of the prism in the pulse compressor of the femtosecond laser. The method was applied to optical pulses that were emitted at wavelengths of 267, 241, and 219 nm; the latter two pulses were generated by four-wave Raman mixing using the third harmonic emission of a Ti:sapphire laser (267 nm) in hydrogen gas. The measurement results show that this approach is useful for evaluation of the pulse width of the ultraviolet femtosecond laser used in mass spectrometry for trace analysis of organic compounds.

Original languageEnglish
Article number136
JournalApplied Sciences
Volume6
Issue number5
DOIs
Publication statusPublished - Jan 1 2016

Fingerprint

Femtosecond Laser
Mass Spectrometry
Ionization
Ultrashort pulses
Ultraviolet
Mass spectrometry
Laser pulses
Photon
Photons
Evaluation
Trace analysis
Mass spectrometers
Prisms
Organic compounds
Sapphire
Prism
Compressors
Compressor
Raman
Spectrometer

All Science Journal Classification (ASJC) codes

  • Applied Mathematics

Cite this

A simple method for the evaluation of the pulse width of an ultraviolet femtosecond laser used in two-photon ionization mass spectrometry. / Imasaka, Tomoko; Hamachi, Akifumi; Okuno, Tomoya; Imasaka, Totaro.

In: Applied Sciences, Vol. 6, No. 5, 136, 01.01.2016.

Research output: Contribution to journalArticle

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