Optical Fiber Grating Sensing Technology and Application

A special issue of Photonics (ISSN 2304-6732). This special issue belongs to the section "Lasers, Light Sources and Sensors".

Deadline for manuscript submissions: closed (28 February 2021) | Viewed by 10383

Special Issue Editors

Center for Cognition and Neuroergonomics, State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Zhuhai 519087, China
Interests: polymer optical fiber; multifunctional POF; biomedical application; microwave photonics; brain–computer interface
Special Issues, Collections and Topics in MDPI journals
Research Center for Advanced Optics and Photoelectronics, Department of Physics, College of Science, Shantou University, Shantou 515063, China
Interests: fiber Bragg gratings; tilted fiber Bragg gratings; polymer optical fiber sensors; surface plasmon resonance; biosensors
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
CICECO-Aveiro Institute of Materials, Physics Department, University of Aveiro, Aveiro, Portugal
Interests: photonics; optics for aerospace; optical sensors; optical devices; machine learning for optics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

From their initial demonstration and fabrication in the late 80s, grating technology in optical fiber has gained significant attention as a sensing platform for physical, electrical, and biochemical detection. Moreover, the use of periodic structures in waveguides that exploit diffraction effects in a similar way has also become a subject of interest. Throughout the following decades of grating sensor technology, generational improvements have allowed for a substantial increase in the performance of sensing networks and an increase in commercial devices as well as emerging applications.

This Special Issue of Photonics reflects the rise of grating sensing technologies, focusing on all aspects of research and development of grating-related sensors. This Special Issue emphasizes research and review manuscripts that focus on experimental design, interrogation methods, test and design, and the application of grating sensors, as well as sensors based on Bragg grating variations (such as tilted, chirped, etched, superstructured, aperiodic, subwavelength gratings). We foresee that by providing researchers working on grating topics with a platform to publish their recent results, we can provide the research community with a wide breadth of research that encompasses design, experimental validation, and testing.

Dr. Min Rui
Dr. Xuehao Hu
Dr. Carlos Marques
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. Photonics is an international peer-reviewed open access monthly 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 2400 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

  • Passive sensors: LPG, FBGs, TFBGs, SSFBG, aperiodic, subwavelength gratings
  • Active sensors: laser/amplifier sensors, frequency comb-based sensors
  • Interrogation techniques for sensors: TDM, WDM, OFDM, OTDR, phase-OTDR, CDMA, MWP, THz, and their combinations
  • Fabrication of Bragg grating sensors: waveguides, silica fibers, POF, MCF, MMF, FMF
  • Optical chemical and biological sensors
  • Biomedical optical sensors
  • Micro and nano-engineered sensors
  • Nanophotonic and plasmonic biosensors
  • Sensing for food quality control
  • Health monitoring sensors
  • Environmental and industrial monitoring sensors.

Benefits of Publishing in a Special Issue

  • Ease of navigation: Grouping papers by topic helps scholars navigate broad scope journals more efficiently.
  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
  • Expansion of research network: Special Issues facilitate connections among authors, fostering scientific collaborations.
  • External promotion: Articles in Special Issues are often promoted through the journal's social media, increasing their visibility.
  • e-Book format: Special Issues with more than 10 articles can be published as dedicated e-books, ensuring wide and rapid dissemination.

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

Published Papers (2 papers)

Order results
Result details
Select all
Export citation of selected articles as:

Research

Jump to: Other

12 pages, 7866 KiB  
Article
Surface Plasmon Resonance Sensor Based on Polymer Liquid-Core Fiber for Refractive Index Detection
by Xuqing Shui, Qiongchan Gu, Xiaoxiao Jiang and Guangyuan Si
Photonics 2020, 7(4), 123; https://doi.org/10.3390/photonics7040123 - 3 Dec 2020
Cited by 5 | Viewed by 2693
Abstract
In this work, a surface plasmon resonance (SPR) sensor based on a novel liquid-core polymer optical fiber (POF) is proposed and numerically analyzed for refractive index (RI) detection. The polytetrafluoroethylene (PTFE) fiber is selected as the platform for SPR sensing. We combine the [...] Read more.
In this work, a surface plasmon resonance (SPR) sensor based on a novel liquid-core polymer optical fiber (POF) is proposed and numerically analyzed for refractive index (RI) detection. The polytetrafluoroethylene (PTFE) fiber is selected as the platform for SPR sensing. We combine the PTFE-based POF with the liquid-core structure by introducing a hole filled with analyte into the fiber center. The hole also acts as the fiber core to guide the incident light. This design helps to realize the detection of solutions with low RI values (around 1.33), while keeping the distinguished sensing characteristics of the liquid-core structure. Two side air holes are introduced into the cladding and a thin silver film protected by a titanium dioxide layer is plated on the wall of one air hole, which helps to control the mode coupling. In order to optimize the design of this sensor, the impacts of parameters such as metal layer thicknesses and the central hole radius are investigated using the full-vector finite element method (FEM). After optimization, our design shows a wavelength interrogation sensitivity reaching up to 16,750 nm/RIU and an average full-width at half-maximum (FWHM) of 42.86 nm in the RI range of 1.325–1.35. Full article
(This article belongs to the Special Issue Optical Fiber Grating Sensing Technology and Application)
Show Figures

Graphical abstract

Other

Jump to: Research

10 pages, 1759 KiB  
Letter
Dual-Core Fiber-Based Interferometer for Detection of Gas Refractive Index
by Haijin Chen, Xuehao Hu, Meifan He, Qianqing Yu, Zhenggang Lian, Zicheng Yang, Heng Wang and Hang Qu
Photonics 2020, 7(4), 111; https://doi.org/10.3390/photonics7040111 - 15 Nov 2020
Cited by 2 | Viewed by 6868
Abstract
We demonstrate a dual-core fiber-based Mach–Zehnder interferometer that could be used for precise detection of variations in refractive indices of gaseous samples. The fiber used here have a solid germanium-doped silica core and an air core that allows gases to flow through. Coherent [...] Read more.
We demonstrate a dual-core fiber-based Mach–Zehnder interferometer that could be used for precise detection of variations in refractive indices of gaseous samples. The fiber used here have a solid germanium-doped silica core and an air core that allows gases to flow through. Coherent laser beams are coupled to the two cores, respectively, and thus excite guiding modes thereby. Interferogram would be produced as the light transmitted from the dual cores interferes. Variations in refractive index of the hollow core lead to variations in phase difference between the modes in the two cores, thus shifting the interference fringes. The fringe shifts can be then interrogated by a photodiode together with a narrow slit in front. The resolution of the sensor was found to be ~1 × 10−8 RIU, that is comparable to the highest resolution obtained by other fiber sensors reported in previous literatures. Other advantages of our sensor include very low cost, high sensitivity, straightforward sensing mechanism, and ease of fabrication. Full article
(This article belongs to the Special Issue Optical Fiber Grating Sensing Technology and Application)
Show Figures

Graphical abstract

Back to TopTop