Abstract
More than 95% average efficiency TE-polarisation diffraction over a 200nm wavelength range centred at 800nm is obtained by a metaldielectric grating structure with non-corrugated mirror. 98% maximum -1st order diffraction efficiency and a wide band top-hat spectrum are demonstrated experimentally opening the way to high-efficiency Chirped Pulse Amplification of femtosecond pulses as short as 20 fs.
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APA
Flury, M., Tonchev, S., Fechner, R., Schindler, A., & Parriaux, O. (2007). High-efficiency wide-band metal-dielectric resonant grating for 20 fs pulse compression. Journal of the European Optical Society, 2. https://doi.org/10.2971/jeos.2007.07024
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