1994•Applied Physics LettersRequires access

High repetition rate traveling wave optical parametric generator producing nearly bandwidth limited 50 fs infrared light pulses

Valentin P. Petrov, Frank C. Seifert, FRANK NOACK

Abstract

A 1 kHz Ti:sapphire femtosecond regenerative amplifier system is used to pump a lithium triborate optical parametric generator in a type II noncritical phase matching configuration and a β-barium borate parametric amplifier. Infrared pulses near 1460 nm as short as 50 fs are achieved with a pulse duration/bandwidth product of only 0.44.

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Key concepts: Lithium triborate, Barium borate, Optical parametric amplifier, Materials science, Femtosecond, Optics, Laser, Amplifier