Offner stretcher for the PEARL laser facility

As part of upgrading the PEARL laser facility, a new, femtosecond Ti : sapphire master oscillator with a centre wavelength of 910 nm and an emission bandwidth of 40.5 nm has been incorporated into its scheme. To produce a new stretcher matched to the compressor of PEARL, we have carried out a compar...

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Veröffentlicht in:	Quantum electronics (Woodbury, N.Y.) N.Y.), 2017-09, Vol.47 (8), p.705-710
Hauptverfasser:	Zuev, A.S., Ginzburg, V.N., Kochetkov, A.A., Shaykin, A.A., Yakovlev, I.V.
Format:	Artikel
Sprache:	eng
Schlagworte:	chirped pulse stretchers and compressors CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS COMPRESSORS Configurations femtosecond pulses LASERS MIRRORS OPTICAL DISPERSION OSCILLATORS PARABOLIC COLLECTORS polyethylene terephthalate Pulse duration PULSES SAPPHIRE SPHERICAL CONFIGURATION ultra-high power lasers WAVELENGTHS zero-dispersion stretcher
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Beschreibung
Zusammenfassung:	As part of upgrading the PEARL laser facility, a new, femtosecond Ti : sapphire master oscillator with a centre wavelength of 910 nm and an emission bandwidth of 40.5 nm has been incorporated into its scheme. To produce a new stretcher matched to the compressor of PEARL, we have carried out a comparative analysis of Martinez and Offner stretcher configurations with spherical and parabolic mirrors. The residual dispersion in the stretcher - compressor system has been evaluated using an unconventional approach based on calculation of a zero-dispersion stretcher. In experiments using the Ti : sapphire laser, a new stretcher in the Offner configuration with spherical mirrors and a compressor, we have obtained pulses of 36-fs duration, which is considerably shorter than the current pulse duration in PEARL.
ISSN:	1063-7818 1468-4799
DOI:	10.1070/QEL16416