Frequency conversion of subnanojoule femtosecond pulses in microstructure fibers

Autor:	Yu. N. Kondrat'ev, Willem Boutu, A. V. Khokhlov, Evgenii E. Serebryannikov, Andrei B. Fedotov, Dmitry A. Sidorov-Biryukov, V. S. Shevandin, K. V. Dukel’skiĭ, Stanislav O. Konorov, Aleksei M. Zheltikov
Rok vydání:	2004
Předmět:	Materials science business.industry Physics::Optics Pulse duration Radiation Microstructure Laser Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials law.invention Frequency conversion Optics law Femtosecond Sapphire Photonics business
Zdroj:	Optics and Spectroscopy. 96:575-579
ISSN:	1562-6911 0030-400X
DOI:	10.1134/1.1719147
Popis:	We experimentally demonstrate highly efficient multiplex frequency conversion of unamplified subnanojoule femtosecond pulses of Ti:sapphire laser radiation in fused silica microstructure fibers. Nonlinear optical spectral transformation of femtosecond pulses in an array of fused silica threadlike channels in these microstructure fibers results in the generation of isolated anti-Stokes spectral components within the wavelength range of 400–500 nm. An efficiency of frequency conversion of about 20% is achieved for 800-nm pump pulses with an energy of 0.7 nJ and a pulse duration of 70 fs.
Databáze:	OpenAIRE
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