Li Qifeng, Wang Hua, Shi Yong, Dai Jinghua, Liu Shilin, Yu Shuqin, Ma Xingxiao. The Competition between Two-Photon Resonance Four Wave Frequency Difference and Sum Mixings[J]. Chinese Journal of Chemical Physics , 2005, 18(3): 298-302. doi: 10.1088/1674-0068/18/3/298-302
Citation: Li Qifeng, Wang Hua, Shi Yong, Dai Jinghua, Liu Shilin, Yu Shuqin, Ma Xingxiao. The Competition between Two-Photon Resonance Four Wave Frequency Difference and Sum Mixings[J]. Chinese Journal of Chemical Physics , 2005, 18(3): 298-302. doi: 10.1088/1674-0068/18/3/298-302

The Competition between Two-Photon Resonance Four Wave Frequency Difference and Sum Mixings

doi: 10.1088/1674-0068/18/3/298-302
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: 2004-03-23
  • Tunable intense Vacuum Ultraviolet (VUV) laser was generated by two-photon resonant four wave difference frequency mixing (ω-=2ωUV-ωT) in Xenon. In the experiment some resonance attenuations of the VUV were observed at certain difference frequencies. These attenuations occur when the sum frequencies ω+=2ωUV+ωT coincide with excited ns (n=10,11) and nd (n=8~13) states. The third order linear susceptibility χ(3)(2ωUV+ωT;ωUV,ωUV+ωT) is reasonably increased by the double resonance enhancement, so the conversion efficiency of sum frequency mixing can be very high and the power of the pump laser is decreased and thus the difference frequency output is attenuated.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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The Competition between Two-Photon Resonance Four Wave Frequency Difference and Sum Mixings

doi: 10.1088/1674-0068/18/3/298-302
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: Tunable intense Vacuum Ultraviolet (VUV) laser was generated by two-photon resonant four wave difference frequency mixing (ω-=2ωUV-ωT) in Xenon. In the experiment some resonance attenuations of the VUV were observed at certain difference frequencies. These attenuations occur when the sum frequencies ω+=2ωUV+ωT coincide with excited ns (n=10,11) and nd (n=8~13) states. The third order linear susceptibility χ(3)(2ωUV+ωT;ωUV,ωUV+ωT) is reasonably increased by the double resonance enhancement, so the conversion efficiency of sum frequency mixing can be very high and the power of the pump laser is decreased and thus the difference frequency output is attenuated.

Li Qifeng, Wang Hua, Shi Yong, Dai Jinghua, Liu Shilin, Yu Shuqin, Ma Xingxiao. The Competition between Two-Photon Resonance Four Wave Frequency Difference and Sum Mixings[J]. Chinese Journal of Chemical Physics , 2005, 18(3): 298-302. doi: 10.1088/1674-0068/18/3/298-302
Citation: Li Qifeng, Wang Hua, Shi Yong, Dai Jinghua, Liu Shilin, Yu Shuqin, Ma Xingxiao. The Competition between Two-Photon Resonance Four Wave Frequency Difference and Sum Mixings[J]. Chinese Journal of Chemical Physics , 2005, 18(3): 298-302. doi: 10.1088/1674-0068/18/3/298-302

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