The analysis of the vortical and mode structure after the fiber

Tatyana A. Fadeyeva; Alexey N. Alexeyev; Kiril I. Kotlyarov; Alexander V. Volyar

doi:10.1117/12.679916

14 June 2006 The analysis of the vortical and mode structure after the fiber

Tatyana A. Fadeyeva, Alexey N. Alexeyev, Kiril I. Kotlyarov, Alexander V. Volyar

Proceedings Volume 6254, Seventh International Conference on Correlation Optics; 62540J (2006) https://doi.org/10.1117/12.679916
Event: Seventh International Conference on Correlation Optics, 2005, Chernivsti, Ukraine

Abstract

In the article we present a computer simulation and experimental data of excitation coefficients of fiber eigen modes. As experimental samples we chose two types of weakly guiding fibers: isotropic and highly birefringent ones with a round cross-section. Calculation of the mode weights is accomplished by means of a geometrical analysis of a beam image structure behind the fiber. In particular, we employed geometrical properties of intensity-level-lines near a fiber core. Such approach enabled us to estimate mode weights as well different mode groups as separate modes inside the group.

Citation Download Citation

Tatyana A. Fadeyeva, Alexey N. Alexeyev, Kiril I. Kotlyarov, and Alexander V. Volyar "The analysis of the vortical and mode structure after the fiber", Proc. SPIE 6254, Seventh International Conference on Correlation Optics, 62540J (14 June 2006); https://doi.org/10.1117/12.679916

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