Translator Disclaimer
Paper
23 November 2015 Refined metrology of spatio-temporal dynamics of nanosecond laser pulses
Author Affiliations +
Abstract
Seeded nanosecond Q-switched Nd:YAG lasers working with an unstable resonator and a variable-reflectivity-mirror are widely used for they represent useful sources for stable and repeatable light-matter-interaction experiments. Moreover, in most setups, the fundamental wavelength is converted to higher harmonics. When the injection seeder is turned off, random longitudinal mode beating occurs in the cavity, resulting in strong variations of the temporal profile of the pulses. The generated spikes can then be ten times higher than the maximum of equivalent seeded pulses. This strong temporal incoherence is shown to engender spatial incoherence in the focal plane of such unseeded pulses leading to an instantaneous angular displacement of tens of µrad. This effect is even more pronounced after frequency conversion.
© (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
R. Diaz, R. Courchinoux, J. Luce, C. Rouyer, J.-L. Rullier, J.-Y. Natoli, and L. Lamaignère "Refined metrology of spatio-temporal dynamics of nanosecond laser pulses", Proc. SPIE 9632, Laser-Induced Damage in Optical Materials: 2015, 96321S (23 November 2015); https://doi.org/10.1117/12.2195470
PROCEEDINGS
14 PAGES


SHARE
Advertisement
Advertisement
RELATED CONTENT

Contribution of the metrology to the study of laser induced...
Proceedings of SPIE (September 22 2014)
Optimum design of Q switched Nd YAG lasers with super...
Proceedings of SPIE (September 30 1996)
Diode side pumped TEM00 mode Nd YAG laser with plane...
Proceedings of SPIE (February 18 2009)
New concept of projection display
Proceedings of SPIE (June 28 2001)
1.06 um and 1.44 um Nd YAG lasers with apodized...
Proceedings of SPIE (August 26 1996)

Back to Top