Dynamics of passive Q-switching of a diode-pumped Nd:YVO4 laser using GaAs as the saturable absorber and output coupler

Tuan-Kay Lim; Kah Tau Wan

doi:10.1117/12.368510

4 November 1999 Dynamics of passive Q-switching of a diode-pumped Nd:YVO4 laser using GaAs as the saturable absorber and output coupler

Tuan-Kay Lim, Kah Tau Wan

Author Affiliations +

Proceedings Volume 3898, Photonic Systems and Applications in Defense and Manufacturing; (1999) https://doi.org/10.1117/12.368510
Event: International Symposium on Photonics and Applications, 1999, Singapore, Singapore

Abstract

We report on the development of a dynamical model for the passive Q-switching of a diode-pumped Nd:YVO₄ laser using GaAs as the saturable absorber and output coupler. A complete set of rate equations are derived, taking into account the two-photon absorption and free-carrier absorption of GaAs. By solving the rate equations numerically under different conditions, it is demonstrated that the output pulse width can be predicted theoretically, and the results obtained show good agreement with hose obtained experimentally.

Citation Download Citation

Tuan-Kay Lim and Kah Tau Wan "Dynamics of passive Q-switching of a diode-pumped Nd:YVO4 laser using GaAs as the saturable absorber and output coupler", Proc. SPIE 3898, Photonic Systems and Applications in Defense and Manufacturing, (4 November 1999); https://doi.org/10.1117/12.368510

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