| Issue |
J. Eur. Opt. Soc.-Rapid Publ.
Volume 2, 2007
|
|
|---|---|---|
| Article Number | 07024 | |
| Number of page(s) | 5 | |
| DOI | https://doi.org/10.2971/jeos.2007.07024 | |
| Published online | 07 August 2007 | |
Regular papers
High-efficiency wide-band metal-dielectric resonant grating for 20 fs pulse compression
1
Laboratoire Hubert Curien, UMR CNRS 5516 (formerly TSI), 18 rue B. Lauras, F-42000 Saint-Etienne, France
2
On leave from ISSP, Sofia, Bulgaria
3
IOM Institut für Oberfl¨achenmodifizierung, Permoserstrasse 15, D-04318 Leipzig
Received:
1
June
2007
More than 95% average efficiency TE-polarisation diffraction over a 200 nm wavelength range centred at 800 nm is obtained by a metal-dielectric 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.
Key words: femtosecond laser / compression gratings / leaky mode
© The Author(s) 2007. All rights reserved.
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