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3 December 2003 High-mode conversion in the directional coupler for fiber-vortex sensors
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As a rule, an initial field of the optical vortex at the fiber input transforms into a mode mixture through a short distances due to slight external perturbations so that the field at the fiber output is not suitable for different optical vortex applications in fiber-optical sensors etc. However, as it is shown in the given paper, the tunneling effect that acts between two near by low-mode fibers enables us to select the vortex and other modes into different waveguide canals. The theoretical and experimental results illustrate such the amazing process.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Tatyana A. Fadeyeva and Alexander V. Volyar "High-mode conversion in the directional coupler for fiber-vortex sensors", Proc. SPIE 5257, Ninth International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals, (3 December 2003);

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