Measurement of the time-resolved divergence of pulsed laser beams

Paolo Di Lazzaro; Francesco Flora; Nicola Lisi

doi:10.1117/12.316572

14 July 1998 Measurement of the time-resolved divergence of pulsed laser beams

Paolo Di Lazzaro, Francesco Flora, Nicola Lisi

Proceedings Volume 3423, Second GR-I International Conference on New Laser Technologies and Applications; (1998) https://doi.org/10.1117/12.316572
Event: Second GR-I International Conference on New Laser Technologies and Applications, 1997, Olympia, Greece

Abstract

We present a measurement of the time-behavior of the divergence of pulsed laser beams, joining the time- resolution capability of photodetectors and the space- resolved information of the knife-edge technique. This method has been tested by using HERCULES, a high output energy XeCl laser facility, equipped with two different unstable resonators. The time-resolved beam divergence was much higher than the time-integrated one at the leading edge of the laser pulse duration, and it had a minimum before the peak of the laser pulse. The consequences on the optimization of laser-matter interaction processes are discussed.

Citation Download Citation

Paolo Di Lazzaro, Francesco Flora, and Nicola Lisi "Measurement of the time-resolved divergence of pulsed laser beams", Proc. SPIE 3423, Second GR-I International Conference on New Laser Technologies and Applications, (14 July 1998); https://doi.org/10.1117/12.316572

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