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Feature Review Papers in Optical Sensors
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Feature Review Papers in Optical Sensors

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

Deadline for manuscript submissions: 31 December 2025 | Viewed by 3524

Special Issue Editors

Dr. Flavio Esposito

E-Mail Website
Guest Editor
Department of Engineering, University of Naples “Parthenope”, 80143 Naples, Italy
Interests: chemical sensors; biosensors; physical sensors; fiber-optic sensors; fiber gratings; long period gratings; fiber Bragg gratings; fabrication of long period gratings (LPG) in specialty optical fibers; investigation of fiber optic sensors under different ionizing radiations; development of fiber optic bio-chemical sensors for industrial and medical applications
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Stefania Campopiano

E-Mail Website
Guest Editor
Department of Engineering, University of Naples Parthenope, Centro Direzionale di Napoli, Isola C4, 80143 Naples, Italy
Interests: photonics; fiber optics sensors; fiber bragg gratings; long period gratings; biomedical sensors; optoelectronic sensors; bandgap sensors
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Agostino Iadicicco

E-Mail Website
Guest Editor
Department of Engineering, University of Naples Parthenope, Centro Direzionale di Napoli, Isola C4, 80143 Naples, Italy
Interests: fiber optics sensors; long period gratings; fiber bio-chemical sensors; LMR; SERs; SPR; specialty fiber sensors; optoelectronics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

With great pleasure, we announce the Special Issue, “Feature Review Papers in Optical Sensors”, which will include high-quality review papers on optical sensor devices and optical sensing technologies. Manuscripts should encompass the current state-of-the-art and perspectives in the field, illustrating the advances provided by the authors. All reviews will be considered as long as they meet the journal's standards. We encourage researchers from various fields to contribute reviews highlighting the latest developments in their respective areas and discuss cutting-edge advancements in optical sensing. 

The scope of the Special Issue includes, but is not limited to, the following aspects:

  1. Micro- and nano-optical devices and their applications;
  2. Integrated optical sensors and semiconductor circuit;
  3. Photonics and optical sensing technology;
  4. Optical fiber sensors and Fiber Bragg Grating sensors;
  5. Spectral sensing and imaging;
  6. Optical sensors in biomedical applications;
  7. Optical Remote Sensing;
  8. Fiber optic hydrophone, optic fiber gyro, photodetectors, optoelectronics sensors;
  9. Infrared/fluorescent/Photoluminescence/Terahertz sensors applied in industry, food, agriculture, and manufacturing;
  10. Laser and LiDAR in autonomous driving, positioning, and precision manufacturing.

Dr. Flavio Esposito
Prof. Dr. Stefania Campopiano
Prof. Dr. Agostino Iadicicco
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sensors is an international peer-reviewed open access semimonthly journal published by MDPI.

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.

Keywords

  • optical fiber sensors
  • photonics
  • spectral sensing
  • infrared/fluorescent/photoluminescence/terahertz sensors
  • micro- and nano-optical devices
  • optical sensing technology

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (3 papers)

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Review

19 pages, 3292 KiB  
Review
Thermography in Bike Fitting: A Literature Review
by Warre Clarys, Oscar Vallet, Jan Verstockt, Hai Zhang, Simon Verspeek and Gunther Steenackers
Sensors 2025, 25(8), 2356; https://doi.org/10.3390/s25082356 - 8 Apr 2025
Viewed by 199
Abstract
Cycling comfort significantly impacts both enjoyment and performance, with discomfort potentially leading to injuries. Traditional bike-fitting methods, while effective for biomechanical adjustments, often overlook physiological responses such as pressure distribution and asymmetry. Infrared thermography (IRT), a non-invasive technique analyzing surface temperature variations, offers [...] Read more.
Cycling comfort significantly impacts both enjoyment and performance, with discomfort potentially leading to injuries. Traditional bike-fitting methods, while effective for biomechanical adjustments, often overlook physiological responses such as pressure distribution and asymmetry. Infrared thermography (IRT), a non-invasive technique analyzing surface temperature variations, offers the potential to enhance bike fitting by identifying pressure points, asymmetries, and discomfort zones. This review evaluates the application of IRT in bike fitting, highlighting its ability to provide objective, real-time insights into cyclist comfort and injury prevention. However, limitations such as variability in thermographic protocols and the lack of standardized methodologies necessitate further research. By addressing these gaps, IRT could transform bike fitting into a more precise, personalized, and effective practice for cyclists across all levels. Full article
(This article belongs to the Special Issue Feature Review Papers in Optical Sensors)
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25 pages, 30298 KiB  
Review
Topological Photonic Crystal Sensors: Fundamental Principles, Recent Advances, and Emerging Applications
by Israa Abood, Sayed El. Soliman, Wenlong He and Zhengbiao Ouyang
Sensors 2025, 25(5), 1455; https://doi.org/10.3390/s25051455 - 27 Feb 2025
Cited by 1 | Viewed by 979
Abstract
Topological photonic sensors have emerged as a breakthrough in modern optical sensing by integrating topological protection and light confinement mechanisms such as topological states, quasi-bound states in the continuum (quasi-BICs), and Tamm plasmon polaritons (TPPs). These devices exhibit exceptional sensitivity and high-Q [...] Read more.
Topological photonic sensors have emerged as a breakthrough in modern optical sensing by integrating topological protection and light confinement mechanisms such as topological states, quasi-bound states in the continuum (quasi-BICs), and Tamm plasmon polaritons (TPPs). These devices exhibit exceptional sensitivity and high-Q resonances, making them ideal for high-precision environmental monitoring, biomedical diagnostics, and industrial sensing applications. This review explores the foundational physics and diverse sensor architectures, from refractive index sensors and biosensors to gas and thermal sensors, emphasizing their working principles and performance metrics. We further examine the challenges of achieving ultrahigh-Q operation in practical devices, limitations in multiparameter sensing, and design complexity. We propose physics-driven solutions to overcome these barriers, such as integrating Weyl semimetals, graphene-based heterostructures, and non-Hermitian photonic systems. This comparative study highlights the transformative impact of topological photonic sensors in achieving ultra-sensitive detection across multiple fields. Full article
(This article belongs to the Special Issue Feature Review Papers in Optical Sensors)
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37 pages, 2634 KiB  
Review
FPGA-Based Sensors for Distributed Digital Manufacturing Systems: A State-of-the-Art Review
by Laraib Khan, Sriram Praneeth Isanaka and Frank Liou
Sensors 2024, 24(23), 7709; https://doi.org/10.3390/s24237709 - 2 Dec 2024
Viewed by 1633
Abstract
The combination of distributed digital factories (D2Fs) with sustainable practices has been proposed as a revolutionary technique in modern manufacturing. This review paper explores the convergence of D2F with innovative sensor technology, concentrating on the role of Field Programmable [...] Read more.
The combination of distributed digital factories (D2Fs) with sustainable practices has been proposed as a revolutionary technique in modern manufacturing. This review paper explores the convergence of D2F with innovative sensor technology, concentrating on the role of Field Programmable Gate Arrays (FPGAs) in promoting this paradigm. A D2F is defined as an integrated framework where digital twins (DTs), sensors, laser additive manufacturing (laser-AM), and subtractive manufacturing (SM) work in synchronization. Here, DTs serve as a virtual replica of physical machines, allowing accurate monitoring and control of a given manufacturing process. These DTs are supplemented by sensors, providing near-real-time data to assure the effectiveness of the manufacturing processes. FPGAs, identified for their re-programmability, reduced power usage, and enhanced processing compared to traditional processors, are increasingly being used to develop near-real-time monitoring systems within manufacturing networks. This review paper identifies the recent expansions in FPGA-based sensors and their exploration within the D2Fs operations. The primary topics incorporate the deployment of eco-efficient data management and near-real-time monitoring, targeted at lowering waste and optimizing resources. The review paper also identifies the future research directions in this field. By incorporating advanced sensors, DTs, laser-AM, and SM processes, this review emphasizes a path toward more sustainable and resilient D2Fs operations. Full article
(This article belongs to the Special Issue Feature Review Papers in Optical Sensors)
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