Optical Third Harmonic Generation in Methane

Chin. Phys. Lett.

1997, Vol. 14

Issue (10): 740-743 DOI:

Original Articles

Optical Third Harmonic Generation in Methane

WANG Peng-qian;XIE Xiao-bo;SUN Tao-heng

Department of Physics, Peking University, Beijing 100871

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WANG Peng-qian, XIE Xiao-bo, SUN Tao-heng 1997 Chin. Phys. Lett. 14 740-743

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Abstract Methane has been used as a nonlinear optical medium to produce tunable coherent vacuum ultraviolet and extreme ultraviolet radiation. A vibrational structure with a vibrational frequency of 820cm^-1 was observed in a highly resolved third harmonic spectrum. This proved that third harmonic generation is an effective method to probe the higher excited states of molecular gases.

Keywords: 42.65.Ky 33.20.Ni

Published: 01 October 1997

PACS:	42.65.Ky	(Frequency conversion; harmonic generation, including higher-order harmonic generation)
	33.20.Ni	(Vacuum ultraviolet spectra)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1997/V14/I10/0740

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