Investigation of nonlinear characteristics of CS2 with femto-second pulsed Z-scan technique

li hongyu; chang qing

Volume 22 Issue 10

Sep. 2010

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lai zhi, zeng xiaodong, feng zhejun, et al. Measurement of elongation of piezoelectric transducer driven by fast alternative electric field[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

li hongyu, chang qing. Investigation of nonlinear characteristics of CS2 with femto-second pulsed Z-scan technique[J]. High Power Laser and Particle Beams, 2010, 22.

lai zhi, zeng xiaodong, feng zhejun, et al. Measurement of elongation of piezoelectric transducer driven by fast alternative electric field[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

li hongyu, chang qing. Investigation of nonlinear characteristics of CS2 with femto-second pulsed Z-scan technique[J]. High Power Laser and Particle Beams, 2010, 22.

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Investigation of nonlinear characteristics of CS2 with femto-second pulsed Z-scan technique

1.
College of Electronic Engineering,Heilongjiang University,Harbin 150080,China

Publish Date: 2010-09-03

Abstract

Abstract

Nonlinear refraction and absorption properties in carbon disulfide(CS2) have been investigated by Z-scan technique under femtosecond pulse lasers at 800 nm in a broad intensity range. It is found that the Z-scan transmittance curve has a large displacement on the axis with the increase of intensity. At low intensity, it is mainly due to two-photon absorption effect, while the fifth-order processes and two-photon absorption are at present simultaneously at high intensity. The critical intensity which determines the existence of the fifth-order nonlinear process is presented, along with the relationship between the axial displacement and some parameters of the transmittance curves.
- z-scan,
- carbon disulfide,
- axial displacement,
- nonlinear refraction,
- nonlinear absorption

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