Analysis of a passively q-switched Nd:YAG slab laser oscillator/amplifier system

Ion I. Lancranjan; Dan Savastru; Sorin I. Miclos; Roxana Savastru

doi:10.1117/12.974453

8 November 2012 Analysis of a passively q-switched Nd:YAG slab laser oscillator/amplifier system

Ion I. Lancranjan, Dan Savastru, Sorin I. Miclos, Roxana Savastru

Proceedings Volume 8547, High-Power Lasers 2012: Technology and Systems; 854712 (2012) https://doi.org/10.1117/12.974453
Event: SPIE Security + Defence, 2012, Edinburgh, United Kingdom

Abstract

This paper presents the results obtained in analyzing a quasi-cw flash-lamp pumped high power Nd:YAG slab laser oscillator/two stages amplifier operated in passive optical Q-switching regime using LiF:F₂^- crystals with an improved design. A numerical simulation method based on laser rate equation is developed for theoretical analysis of a passively Q-switched Nd:YAG slab laser system. A comparison of simulation results with experimental data is also presented to certify the viability of the developed theoretical analysis method. Laser pulses output energy of 330 mJ at a FWHM time duration of 50-75 ns and at a repetition frequency of 10 – 25 kHz (pps) are reported and numerical simulation of these experimental results are presented pointing to the output parameters stability.

Citation Download Citation

Ion I. Lancranjan, Dan Savastru, Sorin I. Miclos, and Roxana Savastru "Analysis of a passively q-switched Nd:YAG slab laser oscillator/amplifier system", Proc. SPIE 8547, High-Power Lasers 2012: Technology and Systems, 854712 (8 November 2012); https://doi.org/10.1117/12.974453

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