Efficient output coupling of intracavity high-harmonic generation.
Opt Lett
; 33(10): 1099-101, 2008 May 15.
Article
em En
| MEDLINE
| ID: mdl-18483525
ABSTRACT
We demonstrate a novel technique for coupling extreme-ultraviolet (XUV) harmonic radiation out of a femtosecond enhancement cavity. We use a small-period diffraction grating etched directly into the surface of a dielectric mirror. For the fundamental light, this element acts as a high reflector. For harmonic wavelengths, it acts as a diffraction grating, coupling XUV radiation out of the cavity. Using this method, we observed the third through twenty-first odd harmonics with a dramatic increase in usable power over previous results of high-harmonic generation at high repetition rates.
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MEDLINE
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En
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Opt Lett
Ano de publicação:
2008
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Article