Optical transmission and reflection of a plasma produced in nanosecond laser induced air breakdown

M. H. Mahdieh; M. Akbari J.; Z. Bababei

doi:10.1117/12.2065659

3 February 2015 Optical transmission and reflection of a plasma produced in nanosecond laser induced air breakdown

M. H. Mahdieh, M. Akbari J., Z. Bababei

Proceedings Volume 9255, XX International Symposium on High-Power Laser Systems and Applications 2014; 92554H (2015) https://doi.org/10.1117/12.2065659
Event: XX International Symposium on High Power Laser Systems and Applications, 2014, Chengdu, China

Abstract

In this paper, we investigate dynamics of optical breakdown in air induced by a pump- probe laser beam technique. The optical breakdown was generated by an Nd:YAG laser beam (operating at 10 ns pulse duration and 1064 nm wavelength). A small part of the beam was separated from the main beam by an optical splitter and was aligned to probe the breakdown plasma transversely. Monitoring the time resolved reflectivity from the breakdown plasma may give information on critical density and together with its transmittivity through the plasma provides information on plasma absorptivity. The results of this experiment can be also used to describe dynamics of breakdown plasma evolution.

Citation Download Citation

M. H. Mahdieh, M. Akbari J., and Z. Bababei "Optical transmission and reflection of a plasma produced in nanosecond laser induced air breakdown ", Proc. SPIE 9255, XX International Symposium on High-Power Laser Systems and Applications 2014, 92554H (3 February 2015); https://doi.org/10.1117/12.2065659

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