Beam quality characterization of laser pulses by Z-scan techniques

Antoniangelo Agnesi; Giancarlo C. Reali; A. Tomaselli

doi:10.1117/12.143843

22 April 1993 Beam quality characterization of laser pulses by Z-scan techniques

Antoniangelo Agnesi, Giancarlo C. Reali, A. Tomaselli

Proceedings Volume 1834, Laser Energy Distribution Profiles: Measurement and Applications; (1993) https://doi.org/10.1117/12.143843
Event: Applications in Optical Science and Engineering, 1992, Boston, MA, United States

Abstract

A novel method for measuring the beam quality of short, powerful laser pulses is presented. It is based on the Z-scan technique used to investigate the nonlinear susceptibilities of optical materials. We show that both two-photon absorption and nonlinear refraction of a nonlinear sample can be used to obtain information about the spatial quality of the pulses.

Citation Download Citation

Antoniangelo Agnesi, Giancarlo C. Reali, and A. Tomaselli "Beam quality characterization of laser pulses by Z-scan techniques", Proc. SPIE 1834, Laser Energy Distribution Profiles: Measurement and Applications, (22 April 1993); https://doi.org/10.1117/12.143843

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