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Proceedings Paper

Femtosecond optical parametric amplifiers with collinear phase matching: experiments and full simulation
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Paper Abstract

We report a high-power, kilohertz, ultrafast optical parametric amplifier (OPA) that is seeded by white-light continuum and contains three amplification stages. Two 3-mm KTA crystals cut in type-II phase-matching configuration are used in the OPA system which is capable of producing up to 70 μJ, 140 fs infrared laser pulses at wavelength ranging from 2.9 to 4 μm. A full-scaled numerical simulation on the OPA system was performed. Actual white-light seeded signal pulse and finite phase-matching bandwidth were taken into account in the calculation. Material dispersion and linear absorption of all the optical components involved were properly incorporated. The simulation results match the experimental results almost perfectly. Our simulation provides an essential tool to design and optimize the OPA systems. A step-by-step design procedure based on this simulation algorithm is presented.

Paper Details

Date Published: 12 September 2003
PDF: 9 pages
Proc. SPIE 4972, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications II, (12 September 2003); doi: 10.1117/12.478997
Show Author Affiliations
Jiun-Cheng Wang, National Taiwan Univ. (Taiwan)
Juen-Kai Wang, National Taiwan Univ. (Taiwan)


Published in SPIE Proceedings Vol. 4972:
Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications II
Kenneth L. Schepler; Dennis D. Lowenthal; Jeffrey W. Pierce, Editor(s)

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