Speckle-pattern rotation in a few-mode optical fiber in a longitudinal magnetic field

Ardasheva, L. I.; Кундикова, Н. Д.; Sadykova, M. O.; Sadykov, N. R.; Chernyakov, V. E.

doi:10.1134/1.1621451

Cited by 15 publications

(10 citation statements)

References 2 publications

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“…By using a magnetic field, which rotates a polarization plane of light passing through a fiber is also not an effective solution. 7,8 A de-specler based on a novel principle is proposed in this work. In our opinion, a single electro-optical FLC cell could be used as a de-speckler.…”

Section: Introductionmentioning

confidence: 99%

Speckle‐noise suppression due to a single ferroelectric liquid‐crystal cell

Andreev¹,

Andreeva²,

Kompanets³

et al. 2009

J Soc Info Display

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Section: Introductionmentioning

confidence: 99%

Speckle‐noise suppression due to a single ferroelectric liquid‐crystal cell

Andreev¹,

Andreeva²,

Kompanets³

et al. 2009

J Soc Info Display

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“…The difference scheme itself can be used for modeling of the physical processes in lightguides [10]. The high efficiency of the algorithm considered in this work was demonstrated in the study of the influence of the longtitudinal magnetic field on the rotation angle of the speckle pattern at the exit from a low-mode lightguide [18,19] as well as in the determination of the rotation angle of the speckle pattern at the exit from a multimode lightguide in the study of the optical Magnus effect (the wave approach).…”

Section: Discussion Of the Resultsmentioning

confidence: 99%

Numerical Method of Determining the Cutoff Frequency and Mode Speckle Pattern of Optical Waveguides

Afanas'ev¹,

Myalitsin²,

Sadykov

et al. 2005

Russ Phys J

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Based on a numerical solution of the nonstationary wave equation, an algorithm for determining the eigenfunctions and eigenvalues of the LP im modes of axially symmetric optical waveguides is suggested. The cutoff frequency of the LP 11 mode of different waveguides is determined using the algorithm constructed. The results obtained are compared with the well-known analytical formulas and results of numerical calculations for the equivalent stepindex waveguide model. Based on the analytical results obtained, an eigenfunction and eigenvalue search algorithm is suggested for a waveguide with a two-dimensional refractive index profile (in particular, for an axially nonsymmetric waveguide).

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“…The LP 01 mode propagates with the LP 11 mode in the dual-mode fiber for a long distance [5][6][7] without mode coupling between them, provided that the fiber has uniform high quality. When the birefringence or a strong magnetic field [8,9] is applied to the fiber core, the LP 11 -0 mode can be converted to the LP 11 -90 mode or vise versa.…”

Section: Optical Fiber Mode Filters Designmentioning

confidence: 99%