Two- and Three-P hoton Resonant Third Harmonic Generation in Molecular Nitrogen

Chin. Phys. Lett.

1998, Vol. 15

Issue (4): 269-271 DOI:

Original Articles

Two- and Three-P hoton Resonant Third Harmonic Generation in Molecular Nitrogen

WANG Peng-qian;CAO Chuan-shun;XIE Xiao-bo;SUN Tao-heng

Department of Physics, Peking University, Beijing 100871

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WANG Peng-qian, CAO Chuan-shun, XIE Xiao-bo et al 1998 Chin. Phys. Lett. 15 269-271

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Abstract Tunalbe coherent extreme ultraviolet radiation has been produced in nitrogen by third harmonic generation (THG) processes enhanced by two-photon resonance with the a¹II_g(v' = 1) state and three-photon resonance with the c'₄ ¹Σ⁺_u(v' = 1) state, respectively. The highly resolved THG spectra imply that THG can be used to probe the higher excited states and to detect the rotational population of a molecular gas.

Keywords: 42.65.Ky 33.20.Ni

Published: 01 April 1998

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/Y1998/V15/I4/0269

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