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Optical Fiber Biosensors

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Optical Sensors".

Deadline for manuscript submissions: closed (31 October 2020) | Viewed by 6352

Special Issue Editors

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Guest Editor
European Institute of Membranes (IEM), University of Montpellier, 34090 Montpellier, France
Interests: atomic layer deposition; photocatalysis; electrospinning; nanomaterials; sensors; thin films
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Metrology and Optoelectronics, Faculty of Electronics, Telecommunications and Informatics, Gdańsk University of Technology, Gdańsk, Poland
Interests: biophotonics; biomedical optics; fiber-optic sensors; optical sensors; low coherent interferometry
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Fiber optic sensors are gaining more and more popularity in sensing in the field of life sciences, such as medicine, biology, veterinary science, and others. Combining high measurement resolution with broad measurement ranges, these sensors can accurately measure several physical quantities, such as temperature or pressure. Moreover, the use of reflective transducers is possible, limiting their intrusiveness to the environment in which they operate. Finally, as they use standard, inexpensive optical components, their cost can be kept low.

The aforementioned advantages give us the possibility to design and elaborate sensors which can be useful in monitoring in everyday life as indicators of various physiological parameters, e.g., to control the risk of cardiovascular disease. Furthermore, such small and biologically compatible sensors as fiber-optic sensors can provide extensive high-quality data facilitating earlier detection of pathology and improving quality of diagnosis.

The design and integration of biosensors with fiber-optic technology give us the possibility of integrating sensing systems (e.g., point-of-care, distributed sensors) with telecommunication networks. This solution enables doctors to get very quick information about the health condition of a patient.

Moreover, the evolution of other fields of science and technology influences fiber-optic biosensors, providing many opportunities for their further development. A good example can be the combining of innovative materials with fiber-optic technology, which can allow the construction of new fiber-optic biosensors with enhanced properties.

The aim of this Special Issue is to collect and highlight the latest advances in fiber-optic biosensing. Original research papers that focus on the design and experimental verification of fiber-optic biosensors, as well as papers that focus on their testing for biomedical and clinical applications are welcome.

In this Special Issue, original research articles as well as reviews will be published.

Dr. Mikhael Bechelany
Prof. Dr. Małgorzata Szczerska
Guest Editors

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.


  • Biosensors
  • Fiber optic biosensors
  • Optical fiber biosensing
  • Optical biosensors
  • Integrated optics biosensors
  • Point-of-care sensors
  • Thin films for biosensors
  • Fiber-optic interferometry
  • Lab-on-fiber

Published Papers (1 paper)

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12 pages, 2036 KiB  
A Bimetallic-Coated, Low Propagation Loss, Photonic Crystal Fiber Based Plasmonic Refractive Index Sensor
by Mohammad Al Mahfuz, Md. Anwar Hossain, Emranul Haque, Nguyen Hoang Hai, Yoshinori Namihira and Feroz Ahmed
Sensors 2019, 19(17), 3794; - 1 Sep 2019
Cited by 63 | Viewed by 5525
In this paper, a low-loss, spiral lattice photonic crystal fiber (PCF)-based plasmonic biosensor is proposed for its application in detecting various biomolecules (i.e., sugar, protein, DNA, and mRNA) and biochemicals (i.e., serum and urine). Plasmonic material gold (Au) is employed externally to efficiently [...] Read more.
In this paper, a low-loss, spiral lattice photonic crystal fiber (PCF)-based plasmonic biosensor is proposed for its application in detecting various biomolecules (i.e., sugar, protein, DNA, and mRNA) and biochemicals (i.e., serum and urine). Plasmonic material gold (Au) is employed externally to efficiently generate surface plasmon resonance (SPR) in the outer surface of the PCF. A thin layer of titanium oxide (TiO2) is also introduced, which assists in adhering the Au layer to the silica fiber. The sensing performance is investigated using a mode solver based on the finite element method (FEM). Simulation results show a maximum wavelength sensitivity of 23,000 nm/RIU for a bio-samples refractive index (RI) detection range of 1.32–1.40. This sensor also exhibits a very low confinement loss of 0.22 and 2.87 dB/cm for the analyte at 1.32 and 1.40 RI, respectively. Because of the ultra-low propagation loss, the proposed sensor can be fabricated within several centimeters, which reduces the complexity related to splicing, and so on. Full article
(This article belongs to the Special Issue Optical Fiber Biosensors)
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