中国物理B ›› 2005, Vol. 14 ›› Issue (3): 546-550.doi: 10.1088/1009-1963/14/3/021

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Effect of coupling between linear absorption and nonlinear absorption on Z-scan measurements

臧维平, 田建国, 刘智波, 周文远, 宋峰, 张春平   

  1. Photonics Centre, College of Physics, Nankai University, Tianjin 300071, China
  • 收稿日期:2004-09-16 修回日期:2004-10-22 出版日期:2005-03-02 发布日期:2005-03-02
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant No 60025512), Natural Science Foundation of Tianjin (Grant No 0436012 11), Fok Ying Tung Education Foundation (Grant No 71008), and Innovation Foundation of Nankai University.

Effect of coupling between linear absorption and nonlinear absorption on Z-scan measurements

Zang Wei-Ping (臧维平), Tian Jian-Guo (田建国), Liu Zhi-Bo (刘智波), Zhou Wen-Yuan (周文远), Song Feng (宋峰), Zhang Chun-Ping (张春平)   

  1. Photonics Centre, College of Physics, Nankai University, Tianjin 300071, China
  • Received:2004-09-16 Revised:2004-10-22 Online:2005-03-02 Published:2005-03-02
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No 60025512), Natural Science Foundation of Tianjin (Grant No 0436012 11), Fok Ying Tung Education Foundation (Grant No 71008), and Innovation Foundation of Nankai University.

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摘要： The contribution of multiphoton absorption to open-aperture Z-scan measurements is analysed by coordinate transformation. The approximate closed-form solution is obtained, which is suitable for application in higher-optical power regime. As an example, the coupling between linear absorption and two-photon absorption is discussed in detail.

关键词: Z-scan, coordinate transformation, nonlinear optics, and multiphoton absorption

Abstract: The contribution of multiphoton absorption to open-aperture Z-scan measurements is analysed by coordinate transformation. The approximate closed-form solution is obtained, which is suitable for application in higher-optical power regime. As an example, the coupling between linear absorption and two-photon absorption is discussed in detail.

Key words: Z-scan, coordinate transformation, nonlinear optics, and multiphoton absorption

中图分类号:  (Strong-field excitation of optical transitions in quantum systems; multiphoton processes; dynamic Stark shift)

  • 42.50.Hz
42.65.-k (Nonlinear optics) 32.80.Rm (Multiphoton ionization and excitation to highly excited states) 33.80.Rv (Multiphoton ionization and excitation to highly excited states (e.g., Rydberg states))