Analysis on the Gaussian approximation for the far-field of optical fiber

Lianhuang Li; Fuyuan Guo

doi:10.1117/12.868764

16 November 2010 Analysis on the Gaussian approximation for the far-field of optical fiber

Lianhuang Li, Fuyuan Guo

Proceedings Volume 7847, Optoelectronic Devices and Integration III; 78471W (2010) https://doi.org/10.1117/12.868764
Event: Photonics Asia 2010, 2010, Beijing, China

Abstract

The far-field distribution of single-mode fiber is studied; the Gaussian approximation for it is analyzed based on the characteristic of beam propagation factor and then its rationality is explained. Through researching the matching efficiency between the far-field and Gaussian field, a new definition of divergence half-angle is presented according to the maximal matching efficiency method; furthermore, a formula of the maximal matching efficiency divergence halfangle as function of normalized frequency is given.

Citation Download Citation

Lianhuang Li and Fuyuan Guo "Analysis on the Gaussian approximation for the far-field of optical fiber", Proc. SPIE 7847, Optoelectronic Devices and Integration III, 78471W (16 November 2010); https://doi.org/10.1117/12.868764

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