Application of two- and three-photon absorbers for optical limiting and reduction of intensity fluctuations

Author

Ryasnyanskiy, A.I.

Author_Institution

Samarkand State Univ.

fYear

2005

fDate

15-17 Sept. 2005

Firstpage

117

Lastpage

117

Abstract

In this paper, the theoretical investigation of the fluctuation reduction of the laser radiation intensity and experimental results on optical limiting are presented for fundamental and second harmonic wavelengths of picosecond Nd:YAG laser due to two- and three-photon absorptions in BGO photorefractive crystal. The Z-scan technique with an open aperture was used for the determination of two- and three-photon absorption coefficients

Keywords

absorption coefficients; bismuth compounds; high-speed optical techniques; laser beams; multiphoton processes; neodymium; optical limiters; photorefractive materials; Bi₁₂GeO₂₀; YAG:Nd; YAl5O12:Nd; Z-scan technique; absorption coefficient; intensity fluctuation reduction; laser radiation intensity; optical limiting; photorefractive crystal; picosecond laser; second harmonic wavelength; three-photon absorber; two-photon absorber; Absorption; Fluctuations; Laser theory; Nonlinear optics; Optical fiber communication; Optical harmonic generation; Optical recording; Optical sensors; Photorefractive materials; Wavelength measurement;

fLanguage

English

Publisher

ieee

Conference_Titel

Laser and Fiber-Optical Networks Modeling, 2005. Proceedings of LFNM 2005. 7th International Conference on

Conference_Location

Yalta, Crimea

Print_ISBN

0-7803-9147-0

Type

conf

DOI

10.1109/LFNM.2005.1553205

Filename

1553205