High-efficiency, broad band, high-damage threshold high-index gratings for femtosecond pulse compression | Zendy

F. Canova | Zendy; R. Clady | Zendy; JeanPaul Chambaret | Zendy; Manuel Flury | Zendy; S. Tonchev | Zendy; Renate Fechner | Zendy; Ο. Parriaux | Zendy

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High-efficiency, broad band, high-damage threshold high-index gratings for femtosecond pulse compression

Author(s) -

F. Canova,

R. Clady,

JeanPaul Chambaret,

Manuel Flury,

S. Tonchev,

Renate Fechner,

Ο. Parriaux

Publication year - 2007

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.15.015324

Subject(s) - materials science , optics , diffraction efficiency , femtosecond , dielectric , diffraction grating , laser , chirped pulse amplification , optoelectronics , wavelength , polarization (electrochemistry) , pulse compression , diffraction , slope efficiency , grating , fiber laser , physics , telecommunications , radar , chemistry , computer science

High efficiency, broad-band TE-polarization diffraction over a wavelength range centered at 800 nm is obtained by high index gratings placed on a non-corrugated mirror. More than 96% efficiency wide band top-hat diffraction efficiency spectra, as well as more than 1 J/cm(2) damage threshold under 50 fs pulses are demonstrated experimentally. This opens the way to high-efficiency Chirped Pulse Amplification for high average power laser machining by means of all-dielectric structures as well as for ultra-short high energy pulses by means of metal-dielectric structures.

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