The search for a molecule to measure an autocorrelation trace of the second/third harmonic emission of a Ti:Sapphire laser based on two-photon resonant excitation and subsequent one-photon ionization

Tomoko Imasaka, Tomoya Okuno, Totaro Imasaka

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The temporal profile of the second and third harmonic emissions of a Ti:sapphire laser was measured using an autocorrelator consisting of a mass spectrometer as a two-photon-response detector. A number of organic compounds that are potentially applicable for two-photon excitation and subsequent one-photon ionization were investigated using density functional theory calculations. N,N′-dimethylaniline and acetonitrile were used for the measurement of the pulse width for the second and third harmonic emissions of the Ti:sapphire laser. This approach has the potential for use in measuring pulse widths as short as 1-3 fs in the ultraviolet region.

Original languageEnglish
Pages (from-to)543-549
Number of pages7
JournalApplied Physics B: Lasers and Optics
Volume113
Issue number4
DOIs
Publication statusPublished - Dec 1 2013

Fingerprint

autocorrelation
sapphire
harmonics
ionization
pulse duration
photons
excitation
lasers
molecules
organic compounds
mass spectrometers
acetonitrile
density functional theory
detectors
profiles

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)
  • Physics and Astronomy(all)

Cite this

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AU - Imasaka, Totaro

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AB - The temporal profile of the second and third harmonic emissions of a Ti:sapphire laser was measured using an autocorrelator consisting of a mass spectrometer as a two-photon-response detector. A number of organic compounds that are potentially applicable for two-photon excitation and subsequent one-photon ionization were investigated using density functional theory calculations. N,N′-dimethylaniline and acetonitrile were used for the measurement of the pulse width for the second and third harmonic emissions of the Ti:sapphire laser. This approach has the potential for use in measuring pulse widths as short as 1-3 fs in the ultraviolet region.

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