Diamond coated fiber optic interferometric sensors: fabrication and application

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abstract

Diamond films were deposited by chemical vapor deposition (CVD) on the tip of Fabry-Perot (FPI) and multi-mode (MMI) optical fiber interferometers. Diamond provides a robust interface capable of forming covalent bonds between atoms on its surface and receptor molecules, required for biosensing applications. The films were characterized by optical and scanning electron microscopy (SEM), optical profilometry and Raman spectroscopy. The diamond-coated interferometers were tested with different refractive index solutions. The sensors response was 40 +/- 1 dB/RIU and -987 +/- 70 pm/ RIU for the FPI and -11 +/- 1 dB/RIU for the MMI.

keywords

MULTIMODE INTERFERENCE; RAMAN-SPECTROSCOPY; PRINCIPLES; GEMSTONE; GRATINGS; FILMS

subject category

Materials Science; Optics

authors

Kyatam, S; Oliveira, R; Rocha, AM; Mukherjee, D; Neto, MA; Oliveira, FJ; Khan, MA; Correia, MRP; Mendes, JC

our authors

foto Filipe José Alves de Oliveira

Filipe José Alves de Oliveira

Principal Researcher
foto Miguel Ângelo da Costa Neto

Miguel Ângelo da Costa Neto

Researcher

Groups

G3 - Electrochemical Materials, Interfaces and Coatings

Projects

CICECO - Aveiro Institute of Materials (UIDB/50011/2020)

CICECO - Aveiro Institute of Materials (UIDP/50011/2020)

Associated Laboratory CICECO-Aveiro Institute of Materials (LA/P/0006/2020)

acknowledgements

This work is funded by national funds through FCT/MEC (PIDDAC) and where applicable co-funded by EU, under projects UIDB/50008/2020-UIDP/50008/2020, UID/EEA/50008/2019, UIDB/50011/2020, UIDP/50011/2020 and LA/P/0006/2020, X-0009-AV-20 BioPlus, FOPEComSens (PTDC/EEI-TEL/1511/2020) and CEECIND2021.01066, and contract program under the degree law Nr. 57/2016.

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Publication Details

type
Journal Article
year
2023
journal
OPTICAL MATERIALS EXPRESS
volume
13
article number
500100
publisher
Optica Publishing Group
issn
2159-3930
issue
11
digital object identifier
10.1364/ome.500100
web of science article identifier
WOS:001104598400001

Journal Metrics (JCR 2019)

Journal Impact Factor
3.064
Journal Impact Factor (5 yrs)
2.815
category normalized journal percentile
67.106

Citations

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