Li Qifeng, Wang Hua, Shi Yong, Dai Jinghua, Liu Shilin, Yu Shuqin, Ma Xingxiao. Characteristic Study on VUV Laser Generated by Two-Photon Resonant Four Wave Mixing in Xenon[J]. Chinese Journal of Chemical Physics , 2004, 17(3): 333-338. doi: 10.1088/1674-0068/17/3/333-338
Citation: Li Qifeng, Wang Hua, Shi Yong, Dai Jinghua, Liu Shilin, Yu Shuqin, Ma Xingxiao. Characteristic Study on VUV Laser Generated by Two-Photon Resonant Four Wave Mixing in Xenon[J]. Chinese Journal of Chemical Physics , 2004, 17(3): 333-338. doi: 10.1088/1674-0068/17/3/333-338

Characteristic Study on VUV Laser Generated by Two-Photon Resonant Four Wave Mixing in Xenon

doi: 10.1088/1674-0068/17/3/333-338
Funds:  Project supported by the State Key Development Program for Basic Research of China(G1999075304)and the National Natural Science Foundation of China(20373066).
  • Received Date: 2004-03-03
  • The character of tunable Vacuum-Ultraviolet(VUV)laser generated by two-photon resonant four wave difference frequency mixing in Xenon was studied. The intense VUV laser was generated in the wavelength range of 151-171 nm using 6P[1/2,0]level of Xe atom as the two-photon resonant state. The pulse intensity of VUV laser was estimated to be 0.2 μJ,and the conversion efficiency relative to the wavelength-fixed laser was determined to be 0.1%. The line width of VUV laser was found to be 0.3 cm-1 from the laser-induced fluorescence spectrum of A-X(0,0)rotational line profiles of jet-cooled CO,which was much broader than those of the two employed dye lasers(0. 1 cm-1),mainly due to the saturation broadening of Xe level by intense laser field. The dependencies of VUV intensity on Xe pressure and two dye laser intensities were also investigated in this experiment.
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Characteristic Study on VUV Laser Generated by Two-Photon Resonant Four Wave Mixing in Xenon

doi: 10.1088/1674-0068/17/3/333-338
Funds:  Project supported by the State Key Development Program for Basic Research of China(G1999075304)and the National Natural Science Foundation of China(20373066).

Abstract: The character of tunable Vacuum-Ultraviolet(VUV)laser generated by two-photon resonant four wave difference frequency mixing in Xenon was studied. The intense VUV laser was generated in the wavelength range of 151-171 nm using 6P[1/2,0]level of Xe atom as the two-photon resonant state. The pulse intensity of VUV laser was estimated to be 0.2 μJ,and the conversion efficiency relative to the wavelength-fixed laser was determined to be 0.1%. The line width of VUV laser was found to be 0.3 cm-1 from the laser-induced fluorescence spectrum of A-X(0,0)rotational line profiles of jet-cooled CO,which was much broader than those of the two employed dye lasers(0. 1 cm-1),mainly due to the saturation broadening of Xe level by intense laser field. The dependencies of VUV intensity on Xe pressure and two dye laser intensities were also investigated in this experiment.

Li Qifeng, Wang Hua, Shi Yong, Dai Jinghua, Liu Shilin, Yu Shuqin, Ma Xingxiao. Characteristic Study on VUV Laser Generated by Two-Photon Resonant Four Wave Mixing in Xenon[J]. Chinese Journal of Chemical Physics , 2004, 17(3): 333-338. doi: 10.1088/1674-0068/17/3/333-338
Citation: Li Qifeng, Wang Hua, Shi Yong, Dai Jinghua, Liu Shilin, Yu Shuqin, Ma Xingxiao. Characteristic Study on VUV Laser Generated by Two-Photon Resonant Four Wave Mixing in Xenon[J]. Chinese Journal of Chemical Physics , 2004, 17(3): 333-338. doi: 10.1088/1674-0068/17/3/333-338

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