Longitudinally modes characteristics of Ince-Gaussian beams in laser resonators with quadratic-index active medium

Author

Elahi, P. ; Nadgaran, H. ; Fard, F. Kalantari

Author_Institution

Phys. Dept., Bu-Ali Sina Univ., Hamadan, Iran

Volume

1

fYear

2005

fDate

12-17 Sept. 2005

Firstpage

218

Abstract

The characteristics of longitudinal modes of Ince-Gaussian beams in diode-pumped solid state lasers when affected by temperature-dependent change of refractive index was studied. Explicit expressions for the change of refractive index when the laser crystal exposed to a top-hat radiation together with its effects on the longitudinal phase shift were derived. The derivations were applied to Nd:YVO₄ crystal and the variations of phase shift versus input power and laser pumping radius were investigated.

Keywords

laser beams; laser cavity resonators; laser modes; neodymium; optical materials; optical pumping; refractive index; solid lasers; thermo-optical effects; yttrium compounds; Ince-Gaussian beam characteristics; YVO₄:Nd; diode-pumped solid state lasers; laser crystal; laser power; laser pumping; laser resonators; longitudinal phase shift effects; longitudinally modes characteristics; quadratic-index active medium; refractive index change; temperature-dependent change; top-hat radiation exposure; Educational institutions; Laser beams; Laser excitation; Laser modes; Laser theory; Laser transitions; Partial differential equations; Pump lasers; Refractive index; Solid lasers;

fLanguage

English

Publisher

ieee

Conference_Titel

Advanced Optoelectronics and Lasers, 2005. Proceedings of CAOL 2005. Second International Conference on

Print_ISBN

0-7803-9130-6

Type

conf

DOI

10.1109/CAOL.2005.1553865

Filename

1553865