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Large-core hollow fibers for speckle-based displacement sensing

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Author(s):
Osorio, Jonas H. ; Cabral, Thiago D. ; Fujiwara, Eric ; Franco, Marcos A. R. ; Amrani, Foued ; Delahaye, Frederic ; Gerome, Frederic ; Benabid, Fetah ; Cordeiro, Cristiano M. B. ; IEEE
Total Authors: 10
Document type: Journal article
Source: 2023 INTERNATIONAL CONFERENCE ON OPTICAL MEMS AND NANOPHOTONICS, OMN AND SBFOTON INTERNATIONAL OPTICS AND PHOTONICS CONFERENCE, SBFOTON IOPC; v. N/A, p. 2-pg., 2023-01-01.
Abstract

We study the application of a large-core hollow fiber as a platform for displacement sensing. The sensor is assembled by inserting and appropriately moving a single-mode fiber in the empty core of the hollow fiber. Such a construction allows attaining a speckled intensity profile at the hollow fiber output, which is evaluated while one controllably displaces the single-mode fiber in its interior. Our results allow identifying this scheme as a promising means for exploring the multimode characteristics of hollow fibers in sensing contexts. (AU)

FAPESP's process: 21/13097-9 - Hollow-core optical fiber-based devices and sensors
Grantee:Jonas Henrique Osório
Support Opportunities: Scholarships in Brazil - Post-Doctoral