Characterization of perpendicular chirped phase volume grating pairs for laser pulse stretching

We report the characterization of a new pulse stretcher that provides a linear and positive variation of the group delay as a function of the optical frequency. It consists of a perpendicular chirped-grating pair introduced by Tournois [Opt. Commun. 106, 253 (1994)] that allows 20-fs pulses to be st...

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Bibliographic Details
Published in:Optics letters 1996-06, Vol.21 (11), p.806-808
Main Authors: Loiseaux, B, Delboulbé, A, Huignard, J P, Tournois, P, Cheriaux, G, Salin, F
Format: Article
Language:English
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Summary:We report the characterization of a new pulse stretcher that provides a linear and positive variation of the group delay as a function of the optical frequency. It consists of a perpendicular chirped-grating pair introduced by Tournois [Opt. Commun. 106, 253 (1994)] that allows 20-fs pulses to be stretched to 100 ps. The system is tested by short-pulse spectral interferometry. We designed and realized the chirped gratings by phase volume holographic recording in a highly efficient photopolymer.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.21.000806