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- Frequency-resolved_optical_gating abstract "Frequency-resolved optical gating (FROG) is a general method for measuring ultrashort laser pulses, which range from subfemtosecond to about a nanosecond in length. Invented in 1991 by Rick Trebino and Daniel J. Kane, FROG was the first technique to solve this problem, which is difficult because, ordinarily, to measure an event in time, a shorter event is required with which to measure it. For example, to measure a soap bubble popping requires a strobe light with a shorter duration to freeze the action. Because ultrashort laser pulses are the shortest events ever created, before FROG, it was thought by many that their complete measurement in time was not possible. FROG, however, solved the problem by measuring an \"auto-spectrogram\" of the pulse, in which the pulse gates itself in a nonlinear-optical medium and the resulting gated piece of the pulse is then spectrally resolved as a function of the delay between the two pulses. Retrieval of the pulse from its FROG trace is accomplished by using a two-dimensional phase-retrieval algorithm. FROG is currently the standard technique for measuring ultrashort laser pulses, replacing an older method called autocorrelation, which only gave a rough estimate for the pulse length. FROG is simply a spectrally resolved autocorrelation, which allows the use of a phase-retrieval algorithm to retrieve the precise pulse intensity and phase vs. time. It can measure both very simple and very complex ultrashort laser pulses, and it has measured the most complex pulse ever measured without the use of a reference pulse. Simple versions of FROG exist (with the acronym, GRENOUILLE, the French word for FROG), utilizing only a few easily aligned optical components. Both FROG and GRENOUILLE are in common use in research and industrial labs around the world.".
- Frequency-resolved_optical_gating thumbnail SHG_FROG.png?width=300.
- Frequency-resolved_optical_gating wikiPageExternalLink frog.gatech.edu.
- Frequency-resolved_optical_gating wikiPageExternalLink DeLong-GenProj-OptLett19-1994.pdf.
- Frequency-resolved_optical_gating wikiPageExternalLink Trebino-FROGreview-RSI-1997.pdf.
- Frequency-resolved_optical_gating wikiPageID "2855589".
- Frequency-resolved_optical_gating wikiPageLength "11712".
- Frequency-resolved_optical_gating wikiPageOutDegree "22".
- Frequency-resolved_optical_gating wikiPageRevisionID "704602146".
- Frequency-resolved_optical_gating wikiPageWikiLink Category:Lasers.
- Frequency-resolved_optical_gating wikiPageWikiLink Category:Nonlinear_optics.
- Frequency-resolved_optical_gating wikiPageWikiLink Category:Optical_metrology.
- Frequency-resolved_optical_gating wikiPageWikiLink Diffraction_grating.
- Frequency-resolved_optical_gating wikiPageWikiLink Double-Blind_FROG.
- Frequency-resolved_optical_gating wikiPageWikiLink Femtosecond.
- Frequency-resolved_optical_gating wikiPageWikiLink File:SHG_FROG.png.
- Frequency-resolved_optical_gating wikiPageWikiLink Fourier_transform.
- Frequency-resolved_optical_gating wikiPageWikiLink Frequency-resolved_electro-absorption_gating.
- Frequency-resolved_optical_gating wikiPageWikiLink GRENOUILLE.
- Frequency-resolved_optical_gating wikiPageWikiLink Multiphoton_intrapulse_interference_phase_scan.
- Frequency-resolved_optical_gating wikiPageWikiLink Nanosecond.
- Frequency-resolved_optical_gating wikiPageWikiLink Nonlinear_optics.
- Frequency-resolved_optical_gating wikiPageWikiLink Optical_autocorrelation.
- Frequency-resolved_optical_gating wikiPageWikiLink Overdetermined_system.
- Frequency-resolved_optical_gating wikiPageWikiLink Review_of_Scientific_Instruments.
- Frequency-resolved_optical_gating wikiPageWikiLink Second-harmonic_generation.
- Frequency-resolved_optical_gating wikiPageWikiLink Spectral_phase_interferometry_for_direct_electric-field_reconstruction.
- Frequency-resolved_optical_gating wikiPageWikiLink Spectrogram.
- Frequency-resolved_optical_gating wikiPageWikiLink Ultrashort_pulse.
- Frequency-resolved_optical_gating wikiPageWikiLinkText "FROG".
- Frequency-resolved_optical_gating wikiPageWikiLinkText "Frequency-Resolved Optical Gating (FROG)".
- Frequency-resolved_optical_gating wikiPageWikiLinkText "Frequency-resolved Optical Gating (FROG)".
- Frequency-resolved_optical_gating wikiPageWikiLinkText "Frequency-resolved optical gating".
- Frequency-resolved_optical_gating wikiPageWikiLinkText "frequency-resolved optical gating".
- Frequency-resolved_optical_gating wikiPageUsesTemplate Template:Cite_book.
- Frequency-resolved_optical_gating wikiPageUsesTemplate Template:No_footnotes.
- Frequency-resolved_optical_gating subject Category:Lasers.
- Frequency-resolved_optical_gating subject Category:Nonlinear_optics.
- Frequency-resolved_optical_gating subject Category:Optical_metrology.
- Frequency-resolved_optical_gating hypernym Method.
- Frequency-resolved_optical_gating type Software.
- Frequency-resolved_optical_gating type Laser.
- Frequency-resolved_optical_gating comment "Frequency-resolved optical gating (FROG) is a general method for measuring ultrashort laser pulses, which range from subfemtosecond to about a nanosecond in length. Invented in 1991 by Rick Trebino and Daniel J. Kane, FROG was the first technique to solve this problem, which is difficult because, ordinarily, to measure an event in time, a shorter event is required with which to measure it.".
- Frequency-resolved_optical_gating label "Frequency-resolved optical gating".
- Frequency-resolved_optical_gating sameAs Q1070851.
- Frequency-resolved_optical_gating sameAs Frequency-resolved_optical_gating.
- Frequency-resolved_optical_gating sameAs Frequency-Resolved_Optical_Gating.
- Frequency-resolved_optical_gating sameAs Frequency-Resolved_Optical_Gating.
- Frequency-resolved_optical_gating sameAs m.0873gv.
- Frequency-resolved_optical_gating sameAs Frequency-resolved_optical_gating.
- Frequency-resolved_optical_gating sameAs Q1070851.
- Frequency-resolved_optical_gating sameAs 频域分辨光学开关.
- Frequency-resolved_optical_gating wasDerivedFrom Frequency-resolved_optical_gating?oldid=704602146.
- Frequency-resolved_optical_gating depiction SHG_FROG.png.
- Frequency-resolved_optical_gating isPrimaryTopicOf Frequency-resolved_optical_gating.