Recording of optical near-field in laser photoelectron microscope by means of two-photon ionization by femtosecond laser pulses

Sergey V. Chekalin, V. O. Kompanets, Vladilen Letokhov, Yu A. Matveets, B. N. Mironov, S. K. Sekatskii

Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceedingpeer-review

Abstract

It is shown that the high-resolution laser photoelectron microscope withsubwavelength-spatial resolution can be used for an absolute values ofthe two-photon external photoelectric effect measurements with high (afew nm-scale) localization. The spatial distribution of light intensityin the near field is studied by observing the photoelectron projectionimages of a subwavelength nanoaperture. The imaging electrons areobtained as a result of two-photon external photoelectric effect inducedin the aperture formed at the end of an optical fiber by femtosecondpulses of the second-harmonic radiation (410 nm) of a Ti:sapphire laser.The light-field distribution in the aperture is not distorted by anynear-by object, which allows the first nonperturbing measurement of sucha distribution.
Original languageEnglish
Title of host publicationInternational Workshop on Quantum Optics 2003. Edited by Samartsev, Vitaly V. Proceedings of the SPIE, Volume 5402, pp. 17-24 (2004).
PublisherSPIE
Pages17-24
Volume5402
DOIs
Publication statusPublished - 2004
Externally publishedYes

Publication series

Name
Volume5402

Subject classification (UKÄ)

  • Astronomy, Astrophysics and Cosmology

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