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Article Dans Une Revue Optics Letters Année : 2009

Ultrashort laser pulse diffraction by transmitting volume Bragg gratings in photo-thermo-refractive glass

Résumé

We report on the characteristics of ultrashort laser pulse diffraction by transmitting volume Bragg gratings recorded in photo-thermo-refractive glass. The angular and spectral selectivity properties of these phase volume gratings are shown to obey the predictions of a modified Kogelnik's coupled wave analysis that accounts for polychromatic beams. Spatio-temporal distortions such as angular dispersion and pulse front tilt that occur after diffraction by a single volume grating are studied and corrected by using a volume grating pair. The angular filtering properties of volume gratings offer potential as spatial filtering elements inside ultrafast laser cavities.
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Dates et versions

hal-00670515 , version 1 (15-02-2012)

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Leo A. Siiman, Julien Lumeau, Lionel Canioni, Leonid B. Glebov. Ultrashort laser pulse diffraction by transmitting volume Bragg gratings in photo-thermo-refractive glass. Optics Letters, 2009, 34 (17), pp.2572-2574. ⟨10.1364/OL.34.002572⟩. ⟨hal-00670515⟩

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