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State-of-the-Art Photonics and Optical Sensors
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State-of-the-Art Photonics and Optical Sensors

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

Deadline for manuscript submissions: closed (10 March 2026) | Viewed by 1347

Special Issue Editors

Dr. Anubhav Srivastava

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Guest Editor
Department of Engineering, University of Naples Parthenope, Centro Direzionale di Napoli, Isola C4, 80143 Naples, Italy
Interests: fiber optic sensors; long-period gratings; fiber Bragg gratings; biosensors; Interferometers; fiber chemical sensors; LMR; SERs; SPRs
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,

Nowadays, optical and photonic devices are largely recognized due to the development of integrated sensors having low cost, small footprint, high performance, and so on. Fiber-optic and photonics technologies are a well-established branch of science and technology, offering a continuous source of novelty for sensors and measurements. Having a small size, resistance to electromagnetic interference (EMI), and capacity to withstand extremes of temperature and humidity etc., fiber-optic sensors have been in widespread use for many years and are becoming more and more popular.

This Special Issue will explore the most advanced and recent approaches to sensing and metrology, addressing, in particular, contributions that are opening new venues in older and more recent application fields. Those applications are well within science and societal challenges, like biosensing, environmental, and structural health monitoring; aerospace and even newer applications of quantum technologies, like quantum sensing and communications. The combination of Photonics and fiber optics offers a complete optical platform for measurement, including micro, nanofabrication, and the coupling to standard and specialty fibers. This offers a new avenue of possibilities in localized and distributed sensing.

Topic of interests includes both research and reviews but are not limited to:

  1. Fiber optic sensors (Physical, chemical, biological)
  2. Fiber sensors based on LMRs, SERs, SPRs etc.
  3. Fiber interferometric sensors
  4. Integrated photonics sensors

Dr. Anubhav Srivastava
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 250 words) can be sent to the Editorial Office for assessment.

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

  • photonics sensors
  • fiber optic sensors
  • fiber biosensors
  • fiber Bragg gratings
  • long period gratings
  • photonic crystal sensors
  • photonics and optical communications

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Published Papers (1 paper)

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Research

14 pages, 17431 KB  
Article
Improving Chirped Fiber Bragg Grating Resolution for Position-Sensitive Sensors in Shock- and Detonation-Driven Experiments
by Tetiana Y. Bowley, Kimberly A. Schultz, Jonathan A. Hudston, Peter C. Klepzig, Christian R. Peterson, Joseph R. DeLoach, Todd O. Lundberg and Steve Gilbertson
Sensors 2026, 26(8), 2566; https://doi.org/10.3390/s26082566 - 21 Apr 2026
Viewed by 424
Abstract
Chirped fiber Bragg gratings (CFBGs) are robust diagnostic sensors that are widely used to track detonation-driven and shock wave propagation. CFBGs are inscribed with a linearly chirped periodic index of refraction changes that alter the Bragg wavelength along the length of the probe. [...] Read more.
Chirped fiber Bragg gratings (CFBGs) are robust diagnostic sensors that are widely used to track detonation-driven and shock wave propagation. CFBGs are inscribed with a linearly chirped periodic index of refraction changes that alter the Bragg wavelength along the length of the probe. The light return of each individual Bragg element is captured by a detector at a unique time to map the full reflected spectrum. The CFBG spectrum is measured with a dispersive Fourier transform of the reflected light that temporally stretches the spectrum to increase spatial resolution and make a one-to-one map of the wavelength on a time axis. Here, we propose an improvement of CFBG temporal resolution by incorporating two co-linear laser pulses with orthogonal polarization states and a 5 ns time offset. The two separate signals were split and tracked by two separate detectors. An oscilloscope captured good separation in the signals, and two separate spectrograms were generated and interleaved in the post-processing of the data. This novel technique doubled the CFBG temporal resolution and led to a doubled location resolution. As a proof-of-concept of this technique, the resolution improvement was compared between standard CFBG measurements and the two polarization states method on a position-sensitive CFBG sensor. CFBG resolution doubling will advance sensor capabilities and will have a direct impact on improving capture and analysis in dynamic, high-explosive experiments. Full article
(This article belongs to the Special Issue State-of-the-Art Photonics and Optical Sensors)
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