Single-shot spatiotemporal measurements of ultrashort THz waveforms using temporal electric-field cross correlation

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A new single-shot technique based on linear spectral interferometry between a temporally short reader pulse and a temporally long probe pulse is demonstrated for measuring the spatiotemporal phase and amplitude of an optical probe for use as an ultrafast diagnostic. The probe spatiotemporal field information is recovered, with a resolution set by the duration of the reader pulse, by applying a single Fourier transform operation to the interferogram image, without need of any reference data. The technique was used in conjunction with electro-optic sampling to measure waveforms of coherent, ultrashort THz pulses emitted by electron bunches from a laser-plasma accelerator ... continued below

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Matlis, Nicholas; Plateau, Guillaume; van Tilborg, Jeroen & Leemans, Wim June 17, 2011.

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A new single-shot technique based on linear spectral interferometry between a temporally short reader pulse and a temporally long probe pulse is demonstrated for measuring the spatiotemporal phase and amplitude of an optical probe for use as an ultrafast diagnostic. The probe spatiotemporal field information is recovered, with a resolution set by the duration of the reader pulse, by applying a single Fourier transform operation to the interferogram image, without need of any reference data. The technique was used in conjunction with electro-optic sampling to measure waveforms of coherent, ultrashort THz pulses emitted by electron bunches from a laser-plasma accelerator with sub-50fs resolution. The presence of strong spatiotemporal coupling in the THz waveforms and of complex temporal electron-bunch structure was determined.

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  • Journal Name: Journal of the Optics Society of America B; Journal Volume: 28; Journal Issue: 1; Related Information: Journal Publication Date: 2011

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  • Report No.: LBNL-4873E
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 1032525
  • Archival Resource Key: ark:/67531/metadc834675

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  • June 17, 2011

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  • May 19, 2016, 3:16 p.m.

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  • June 15, 2016, 9:40 p.m.

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Matlis, Nicholas; Plateau, Guillaume; van Tilborg, Jeroen & Leemans, Wim. Single-shot spatiotemporal measurements of ultrashort THz waveforms using temporal electric-field cross correlation, article, June 17, 2011; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc834675/: accessed December 10, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.