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Proceedings Paper

Ti:sapphire-pumped solid state source of high-repetition-rate femtosecond pulses tunable in the visible
Author(s): Randy J. Ellingson; Chung Liang Tang
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Paper Abstract

We report on the generation of high-power, high-repetition-rate femtosecond pulses tunable in the visible by intracavity frequency-doubling of a KTiOPO4 (KTP) femtosecond optical parametric oscillator (OPO). The KTP OPO is synchronously pumped by a self-modelocked Ti:sapphire laser producing pulses of 225 kW peak power at a repetition rate of 81 MHz (115 fs pulsewidth), and a center wavelength of 790 nm. Using a 1.5 mm thick KTP gain crystal and a 50 micrometers (beta) -BaB2O4 frequency-doubling crystal, we achieve up to 240 mW of sub-100 femtosecond pulses tunable in the range of 580 to 660 nm. The potential tuning range of the frequency-doubled KTP OPO, when pumped at 790 nm, is approximately 500 to 750 nm.

Paper Details

Date Published: 16 May 1994
PDF: 9 pages
Proc. SPIE 2116, Generation, Amplification, and Measurement of Ultrashort Laser Pulses, (16 May 1994); doi: 10.1117/12.175838
Show Author Affiliations
Randy J. Ellingson, Cornell Univ. (United States)
Chung Liang Tang, Cornell Univ. (United States)


Published in SPIE Proceedings Vol. 2116:
Generation, Amplification, and Measurement of Ultrashort Laser Pulses
Rick P. Trebino; Ian A. Walmsley, Editor(s)

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