Optical Fiber Ball Resonator Sensor Spectral Interrogation through Undersampled KLT: Application to Refractive Index Sensing and Cancer Biomarker Biosensing

Optical fiber ball resonators based on single-mode fibers in the infrared range are an emerging technology for refractive index sensing and biosensing. These devices are easy and rapid to fabricate using a CO<sub>2</sub> laser splicer and yield a very low finesse reflection spectrum with...

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Bibliographic Details
Published in:	Sensors
Main Authors:	Daniele Tosi, Zhannat Ashikbayeva, Aliya Bekmurzayeva, Zhuldyz Myrkhiyeva, Aida Rakhimbekova, Takhmina Ayupova, Madina Shaimerdenova
Format:	Article
Language:	English
Published:	MDPI AG 2021-10-01
Subjects:	optical fiber biosensor optical fiber sensor ball resonator optical fiber spherical tip digital signal processing Karhunen−Loeve transform (KLT)
Online Access:	https://www.mdpi.com/1424-8220/21/20/6721

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