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Opt Express. 2008 Dec 8;16(25):20637-47.

Time-domain approach for designing dispersive mirrors based on the needle optimization technique. Theory.

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  • 1Research Computing Center, Moscow State University, Leninskie Gory, 119992 Moscow, Russia. trub@srcc.msu.ru

Abstract

We combine powerful and well-proven needle-optimization technique with time-domain optimization approach in order to obtain a new efficient method of designing dispersive mirrors. We also propose a new optimization criterion targeted at reaching shortest possible pulses with maximum possible energy at the exit of a compressor containing such mirrors. Proposed optimization criterion includes two parameters allowing one to adjust the relative weights of the mentioned targets with a high flexibility. The obtained results are compared with solutions of the "classical" optimization approach based on the optimization of a merit function comparing theoretical reflectance and group delay dispersion with target ones. The new approach allows obtaining simpler solutions providing better characteristics of the output pulse.

PMID:
19065203
[PubMed - indexed for MEDLINE]
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