Nondegenerate parametric generation of 2.2-mJ, few-cycle 2.05-μm pulses using a mixed phase matching scheme

We describe the production of 2.2-mJ, ∼6 optical-cycle-long mid-infrared laser pulses with a carrier wavelength of 2.05 μm in a two-stage β-BaB2O4 nondegenerate optical parametric amplifier design with a mixed phase matching scheme, which is pumped by a standard Ti:sapphire chirped-pulse amplificati...

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Bibliographic Details
Published in:Review of scientific instruments 2014-02, Vol.85 (2), p.023102-023102
Main Authors: Xu, Guibao, Wandel, Scott F, Jovanovic, Igor
Format: Article
Language:English
Subjects:
AMPLIFICATION
Amplifiers, Electronic
ATOMIC AND MOLECULAR PHYSICS
BEAM PROFILES
CARRIERS
Equipment Design
LASERS
PARAMETRIC AMPLIFIERS
PULSES
PUMPS
SAPPHIRE
WAVELENGTHS
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Summary:We describe the production of 2.2-mJ, ∼6 optical-cycle-long mid-infrared laser pulses with a carrier wavelength of 2.05 μm in a two-stage β-BaB2O4 nondegenerate optical parametric amplifier design with a mixed phase matching scheme, which is pumped by a standard Ti:sapphire chirped-pulse amplification system. It is demonstrated that relatively high pulse energies, short pulse durations, high stability, and excellent beam profiles can be obtained using this simple approach, even without the use of optical parametric chirped-pulse amplification.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.4865132