High-efficiency wide-band metal-dielectric resonant grating for 20fs pulse compression

M. Flury; S. Tonchev; R. Fechner; A. Schindler; O. Parriaux

doi:10.2971/jeos.2007.07024

Journal of the European Optical Society - Rapid publications, Vol 2 (2007)

High-efficiency wide-band metal-dielectric resonant grating for 20fs pulse compression

M. Flury, S. Tonchev, R. Fechner, A. Schindler, O. Parriaux

Abstract

More than 95% average efficiency TE-polarization diffraction over a 200 nm wavelength range centered at 800 nm is obtained by a metal-dielectric grating structure with non-corrugated mirror. 98% maximum â€“1st order diffraction efficiency and a wide band top-hat spectrum are demonstrated experimentally opening the way to the high-efficiency Chirped Pulse Amplification of femtosecond pulses as short as 20 fs.

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