Characteristics of diffraction beam of TE01 mode of step index fiber

Fuyuan Guo; Lianhuang Li; Hua Zheng; Yi Wang; Tiangui Dai; Jinrui Ke

doi:10.1117/12.907289

5 December 2011 Characteristics of diffraction beam of TE₀₁ mode of step index fiber

Fuyuan Guo, Lianhuang Li, Hua Zheng, Yi Wang, Tiangui Dai, Jinrui Ke

Proceedings Volume 8198, 2011 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Integration; 81980C (2011) https://doi.org/10.1117/12.907289
Event: International Conference on Optical Instruments and Technology (OIT2011), 2011, Beijing, Beijing, China

Abstract

Based on the eigen equation and relationship among three normalized parameters, the approximate expression between the normalized standing parameter and the normalized frequency of TE₀₁ mode of step index fiber is recommended. Then, the characteristics of TE₀₁ mode field distribution is analyzed, the approximate expression between the radial coordinate for maximal amplitude of mode field and the normalized frequency is suggested. For the sake of clarifying the characteristics of diffraction far field of TE₀₁ mode of step index fiber, its expression is given according to the scalar diffraction integral formula. Then, the approximate expression between the normalized spatial frequency for the maximal spatial frequency spectrum and the normalized frequency is suggested. Numerical calculations show that the relative error between approximate value and exact value are small than one percent within a large variable range and this indicate that these approximate expressions are relatively reasonable.

Citation Download Citation

Fuyuan Guo, Lianhuang Li, Hua Zheng, Yi Wang, Tiangui Dai, and Jinrui Ke "Characteristics of diffraction beam of TE₀₁ mode of step index fiber", Proc. SPIE 8198, 2011 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Integration, 81980C (5 December 2011); https://doi.org/10.1117/12.907289

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