Comments on the metrology properties of FROG method

N. N. Bezuglov, J. Wang, Yu A. Tolmachev

Research outputpeer-review

Abstract

Process of ultrashort pulse time structure reconstruction using FROG method and/or its variants is analyzed from two starting positions. The first one is in using of some general properties of pulses in a far zone of diffraction. This way permits for the increasing of stability of the inverse mathematical problem solution by reduction of the set of test functions. The possibility of reconstruction of the form of pulse emitted by laser itself from the results obtained in the far zone of diffraction is shown. The second position is in the analysis of space-and-time structure of the interference pattern formed in the nonlinear transparent matter used to produce the signal to be measured. To explain the formation of self-diffraction signal, the hypothesis of Cherenkov emission from this pattern is proposed. Special effects of spectrum transformation are discussed and some indirect confirmation of the idea is demonstrated.

Original languageEnglish
Title of host publicationLasers for Measurements and Information Transfer 2005
Volume6251
DOIs
Publication statusPublished - 24 Jul 2006
EventLasers for Measurements and Information Transfer 2005 - St. Petersburg
Duration: 8 May 200510 May 2005

Conference

ConferenceLasers for Measurements and Information Transfer 2005
CountryRussian Federation
CitySt. Petersburg
Period8/05/0510/05/05

Fingerprint

Metrology
metrology
Diffraction
pulses
diffraction
Special effects
Ultrashort Pulse
Ultrashort pulses
Test function
Laser pulses
Interference
Laser
interference
Lasers
lasers

Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Bezuglov, N. N., Wang, J., & Tolmachev, Y. A. (2006). Comments on the metrology properties of FROG method. In Lasers for Measurements and Information Transfer 2005 (Vol. 6251). [62510D] https://doi.org/10.1117/12.677599
Bezuglov, N. N. ; Wang, J. ; Tolmachev, Yu A. / Comments on the metrology properties of FROG method. Lasers for Measurements and Information Transfer 2005. Vol. 6251 2006.
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Bezuglov, NN, Wang, J & Tolmachev, YA 2006, Comments on the metrology properties of FROG method. in Lasers for Measurements and Information Transfer 2005. vol. 6251, 62510D, St. Petersburg, 8/05/05. https://doi.org/10.1117/12.677599

Comments on the metrology properties of FROG method. / Bezuglov, N. N.; Wang, J.; Tolmachev, Yu A.

Lasers for Measurements and Information Transfer 2005. Vol. 6251 2006. 62510D.

Research outputpeer-review

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T1 - Comments on the metrology properties of FROG method

AU - Bezuglov, N. N.

AU - Wang, J.

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AB - Process of ultrashort pulse time structure reconstruction using FROG method and/or its variants is analyzed from two starting positions. The first one is in using of some general properties of pulses in a far zone of diffraction. This way permits for the increasing of stability of the inverse mathematical problem solution by reduction of the set of test functions. The possibility of reconstruction of the form of pulse emitted by laser itself from the results obtained in the far zone of diffraction is shown. The second position is in the analysis of space-and-time structure of the interference pattern formed in the nonlinear transparent matter used to produce the signal to be measured. To explain the formation of self-diffraction signal, the hypothesis of Cherenkov emission from this pattern is proposed. Special effects of spectrum transformation are discussed and some indirect confirmation of the idea is demonstrated.

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Bezuglov NN, Wang J, Tolmachev YA. Comments on the metrology properties of FROG method. In Lasers for Measurements and Information Transfer 2005. Vol. 6251. 2006. 62510D https://doi.org/10.1117/12.677599