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Proceedings Paper

Comparison of passively mode-locked operation of diode pumped Nd:YAG laser using either second harmonic nonlinear mirror or semiconductor saturable absorber
Author(s): Vaclav Kubecek; Karel Zvonicek; Jean-Claude Diels; Andreas Stintz
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Paper Abstract

Results of experimental investigation of diode pumped Nd:YAG laser passively mode locked using either second harmonic nonlinear mirror or semiconductor saturable absorber are reported. As an active element the 10 mm long Nd:YAG rod end pumped by 20 W fiber coupled laser diode was used. The linear folded resonator has on the other end either saturable absorber with single 15 nm thick In 0.25 Ga 0.75 As quantum well layer integrated on the top of Bragg mirror (SESAM) either nonlinear mirror (NLM) consisting of a dichroic dielectric mirror and crystal for second harmonic generation (SHG). With SESAM the 2.5 W of average output power and pulse duration of 21 ps was achieved, using the 3.5 mm long type II KTP crystal we obtained 1.5 W of output power with single pulse duration of 26 ps. Substantial pulse shortening to 9 ps was achieved with a 10 mm long critically phase-matched type I LBO crystal.

Paper Details

Date Published: 27 April 2005
PDF: 8 pages
Proc. SPIE 5707, Solid State Lasers XIV: Technology and Devices, (27 April 2005); doi: 10.1117/12.588605
Show Author Affiliations
Vaclav Kubecek, Czech Technical Univ. in Prague (Czech Republic)
Karel Zvonicek, Czech Technical Univ. in Prague (Czech Republic)
Jean-Claude Diels, Univ. of New Mexico (United States)
Andreas Stintz, Univ. of New Mexico (United States)


Published in SPIE Proceedings Vol. 5707:
Solid State Lasers XIV: Technology and Devices
Hanna J. Hoffman; Ramesh K. Shori, Editor(s)

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