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Picosecond laser source at 1 MHz with continuous tunability in the visible red band

Sébastien Forget 1 François Balembois 1 Gaëlle Lucas-Leclin 1 Patrick Georges 1 
1 Laboratoire Charles Fabry de l'Institut d'Optique / Elsa
LCFIO - Laboratoire Charles Fabry de l'Institut d'Optique
Abstract : We report the first demonstration to our knowledge of a continuously tunable picosecond laser operating around 1 MHz. The emission can be tuned from 640 to 685 nm and the repetition rate from 200 kHz to 1 MHz with a pulse duration of less than 200 ps. The system is based on a Nd:YVO4 passively Q-switched microchip laser providing a few tens of nJ per pulse. Two cascaded stages of amplification are then used to increase the pulse energy to several µJ . The frequency doubled radiation is then used to pump a periodically-poled-niobate-lithium (PPLN)-based optical parametric generator in an all-solid-state architecture. 20 nJ of tunable signal radiation are obtained. We also demonstrated 300-ps pulses generation in the UV (355 nm) at 1 MHz.
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https://hal.archives-ouvertes.fr/hal-00105107
Contributor : Sebastien Forget Connect in order to contact the contributor
Submitted on : Friday, January 19, 2007 - 5:25:02 PM
Last modification on : Saturday, June 25, 2022 - 11:14:18 AM

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  • HAL Id : hal-00105107, version 1

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Sébastien Forget, François Balembois, Gaëlle Lucas-Leclin, Patrick Georges. Picosecond laser source at 1 MHz with continuous tunability in the visible red band. Optics Communications, Elsevier, 2003, 220, pp.187-192. ⟨hal-00105107⟩

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