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Numerical simulation of a passive optical Q – switched solid state laser – high brightness Nd:YAG laser case

I. LANCRANJAN1,* , S. MICLOS2, D. SAVASTRU2

Affiliation

  1. Advanced Study Center–National Institute of Aerospace Research “Elie Carafoli”, 220 Iuliu Maniu Boulevard, Bucharest, Romania
  2. National Institute R&D of Optoelectronics, INOE 2000, 409 Atomistilor str., P. O. Box MG. 5, Magurele-Ilfov, Romania

Abstract

This paper is the first of a series on numerical simulation of solid state lasers operated in passive optical Q-switching regime and their applications in various fields. The main purpose of this series is to present the results obtained using numerical analysis as a tool for properly designing solid state lasers, function of application for which these are dedicated since the passive optical Q-switching regime is a large scale used technique. In this paper the numerical simulation results obtained for a passive optical Q-switched Nd:YAG laser of a smaller volume dedicated to ~ 5ns FWHM time duration and over 200 mJ energy pulse generation. The main purpose of the performed theoretical analysis consists of a better understanding of Nd:YAG laser q-switching process itself and of its possible applications in range finding, guiding, materials micro processing and nonlinear optics..

Keywords

Passive optical Q-switching, Numerical simulation, Nd:YAG laser, Laser application.

Submitted at: May 11, 2011
Accepted at: May 25, 2011

Citation

I. LANCRANJAN, S. MICLOS, D. SAVASTRU, Numerical simulation of a passive optical Q – switched solid state laser – high brightness Nd:YAG laser case, Journal of Optoelectronics and Advanced Materials Vol. 13, Iss. 5, pp. 477-484 (2011)