Biosensing by Polymer-Coated Etched Long-Period Fiber Gratings Working near Mode Transition and Turn-around Point

Biosensing by Polymer-Coated Etched Long-Period Fiber Gratings Working near Mode Transition and Turn-around Point

A methodology to enhance the sensitivity of long-period fiber gratings (LPFGs) based on the combination of three different enhancement approaches is presented; the methods here adopted are the working near mode transition (MT) of a cladding mode (CM), working near the turn-around point of a CM and t...

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Bibliographic Details
Main Authors: Tanoy Kumar Dey, Cosimo Trono, Palas Biswas, Ambra Giannetti, Nandini Basumallick, Francesco Baldini, Somnath Bandyopadhyay, Sara Tombelli
Format: Article
Language:English
Published: MDPI AG 2023-07-01
Series:Biosensors
Subjects:
long-period fiber grating
label-free biosensing
etching
cladding mode
sensitivity enhancement
Online Access:https://www.mdpi.com/2079-6374/13/7/731

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