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Proceedings Paper

Measurement of the time-resolved divergence of pulsed laser beams
Author(s): Paolo Di Lazzaro; Francesco Flora; Nicola Lisi
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Paper 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.

Paper Details

Date Published: 14 July 1998
PDF: 5 pages
Proc. SPIE 3423, Second GR-I International Conference on New Laser Technologies and Applications, (14 July 1998); doi: 10.1117/12.316572
Show Author Affiliations
Paolo Di Lazzaro, ENEA Frascati (Italy)
Francesco Flora, ENEA Frascati (Italy)
Nicola Lisi, ENEA Frascati (Switzerland)

Published in SPIE Proceedings Vol. 3423:
Second GR-I International Conference on New Laser Technologies and Applications
Alexis Carabelas; Paolo Di Lazzaro; Amalia Torre; Giuseppe Baldacchini, Editor(s)

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