Analysis of the Influence of Thermal Effect on Z-Scan Measurements with a Nanosecond Pulse Laser

Chin. Phys. Lett.

2000, Vol. 17

Issue (7): 510-512 DOI:

Original Articles

Analysis of the Influence of Thermal Effect on Z-Scan Measurements with a Nanosecond Pulse Laser

TIAN Jian-Guo;WANG Hao-Hua;ZHOU Wen-Yuan;LI Tao;ZHANG Chun-Ping;ZHANG Guang-Yin

Photonics Center, College of Physics, Nankai University, Tianjin 300071

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TIAN Jian-Guo, WANG Hao-Hua, ZHOU Wen-Yuan et al 2000 Chin. Phys. Lett. 17 510-512

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Abstract The influence of thermally induced optical nonlinearities on Z-scan measurements with a nanosecond pulse laser is investigated theoretically. The results demonstrate that thermal effect plays an important role in certain circumstance. As an example, the optical nonlinearities of CS₂ with an adjustable linear absorption coefficient which is used to alter the magnitude of thermally induced optical nonlinearities are analysed, and the results show that thermal effect even makes the change of the sign of optical nonlinearities.

Keywords: 42.65.Jx 41.20.Jb

Published: 01 July 2000

PACS:	42.65.Jx	(Beam trapping, self-focusing and defocusing; self-phase modulation)
	41.20.Jb	(Electromagnetic wave propagation; radiowave propagation)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2000/V17/I7/0510

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	TIAN Jian-Guo
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	ZHANG Guang-Yin

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