Etched optical fiber sensors and components

Masoud Vaziri; Chin-Lin Chen

doi:10.1117/12.216821

18 August 1995 Etched optical fiber sensors and components

Masoud Vaziri, Chin-Lin Chen

Proceedings Volume 2622, Optical Engineering Midwest '95; (1995) https://doi.org/10.1117/12.216821
Event: Optical Engineering Midwest '95, 1995, Chicago, IL, United States

Abstract

We report two fiber components with the geometrical features etched directly on the fiber cladding. When fibers with etched corrugation structures are stretched or compressed longitudinally, lateral bending occurs. For multimode fibers, the lateral bending leads to attenuation. For two-mode or few-mode fibers, lateral bending causes modal coupling. Taking advantage of these effects, multimode fiber strain sensing elements and two-mode modal couplers are realized. The theoretical models and experimental results of these etched fiber components are presented. For quantitative characterization of the modal couplers, a novel polarization independent LP₁₁ mode stripper was designed and implemented with etched fibers.

Citation Download Citation

Masoud Vaziri and Chin-Lin Chen "Etched optical fiber sensors and components", Proc. SPIE 2622, Optical Engineering Midwest '95, (18 August 1995); https://doi.org/10.1117/12.216821

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