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Proceedings Paper

Recording of optical near-field in laser photoelectron microscope by means of two-photon ionization by femtosecond laser pulses
Author(s): Sergey V. Chekalin; V. O. Kompanets; Vladilen S. Letokhov; Yu A. Matveets; B. N. Mironov; S. K. Sekatskii
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Paper Abstract

It is shown that the high-resolution laser photoelectron microscope with subwavelength-spatial resolution can be used for an absolute values of the two-photon external photoelectric effect measurements with high (a few nm-scale) localization. The spatial distribution of light intensity in the near field is studied by observing the photoelectron projection images of a subwavelength nanoaperture. The imaging electrons are obtained as a result of two-photon external photoelectric effect induced in the aperture formed at the end of an optical fiber by femtosecond pulses of the second-harmonic radiation (410 nm) of a Ti:sapphire laser. The light-field distribution in the aperture is not distorted by any near-by object, which allows the first nonperturbing measurement of such a distribution.

Paper Details

Date Published: 20 April 2004
PDF: 8 pages
Proc. SPIE 5402, International Workshop on Quantum Optics 2003, (20 April 2004); doi: 10.1117/12.558810
Show Author Affiliations
Sergey V. Chekalin, Institute of Spectroscopy (Russia)
V. O. Kompanets, Institute of Spectroscopy (Russia)
Vladilen S. Letokhov, Institute of Spectroscopy (Russia)
Yu A. Matveets, Institute of Spectroscopy (Russia)
B. N. Mironov, Institute of Spectroscopy (Russia)
S. K. Sekatskii, Institute of Spectroscopy (Russia)


Published in SPIE Proceedings Vol. 5402:
International Workshop on Quantum Optics 2003
Vitaly V. Samartsev, Editor(s)

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