Locally pressed etched optical fiber with PDMS coating for a sensor application

In this work, the fabrication and experimental investigation of multimode optical fiber with a cladding material replacement is presented. A short piece of fiber’s cladding is etched away and substituted by a polydimethylsiloxane (PDMS) material. This elastomer is characterized by a unique feature o...

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Bibliographic Details
Published inOptik (Stuttgart) Vol. 127; no. 14; pp. 5631 - 5635
Main Authors Kacik, Daniel, Tatar, Peter, Turek, Ivan
Format Journal Article
LanguageEnglish
Published Elsevier GmbH 01.07.2016
Subjects
Cladding
Elastomers
Etching
Fiber sensor
Optical fibers
PDMS
Polydimethylsiloxane
Refractive index
Refractivity
Sensors
Silicone resins
Fiber sensor
Polydimethylsiloxane
Refractive index
PDMS
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Summary:In this work, the fabrication and experimental investigation of multimode optical fiber with a cladding material replacement is presented. A short piece of fiber’s cladding is etched away and substituted by a polydimethylsiloxane (PDMS) material. This elastomer is characterized by a unique feature of refractive index changes with the increasing particle density. The device principle is based on total internal reflection. If the PDMS is pressed, there is a change of elastomer refractive index and modes confined within the fiber core are partially or totally irradiated. This demonstration paves the way for further development of fiber optic sensors, particularly attractive for weight, load, extension, and pressure parameters monitoring applications.
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ISSN:0030-4026
1618-1336
DOI:10.1016/j.ijleo.2016.03.082