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Applications of Optical Fiber Sensors for Online Detection Technology and Instruments

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

Deadline for manuscript submissions: 15 May 2024 | Viewed by 1955

Special Issue Editors

Prof. Dr. Nianbing Zhong

E-Mail Website
Guest Editor
School of Electrical and Electronic Engineering, Chongqing University of Technology, Chongqing 400054, China
Interests: optical material; biosensor; fiber optic online detection technology and instruments
Dr. Xuegang Li

E-Mail Website
Guest Editor
College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Interests: optical fiber biosensor; lab on a chip; surface plasmon resonance sensor; optical fiber interference sensor; label free biosensor
Special Issues, Collections and Topics in MDPI journals
Dr. Leizi Jiao

E-Mail Website
Guest Editor
Beijing Research Center of Intelligent Equipment for Agriculture, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
Interests: agricultural sensor method research; equipment development

Special Issue Information

Dear Colleagues,

Sensors are key to the interaction between AI and the real world, and they are an important bridge for AI to serve industrial society. Among the various available sensors, optical sensors have advantages such as high resolution, high accuracy, fast response time, and resistance to electromagnetic interference. They play an important role in biochemical and physical parameter detection and continuously promote technological progress in various fields.

To promote the development of the optical sensor community, this Special Issue, therefore, aims to put together original research and review articles in the field of optical sensors for online detection technology and instruments.

Potential topics include, but are not limited to, the following subjects:

  • Fiber optic sensors;
  • Nano photoelectric sensors;
  • Bio-optical sensors;
  • Optical chemical sensors;
  • Photodiode sensors;
  • Photoelectric transistor sensors;
  • Photoelectric detection instruments.

Prof. Dr. Nianbing Zhong
Dr. Xuegang Li
Dr. Leizi Jiao
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

  • fiber optic sensors
  • nano photoelectric sensors
  • bio-optical sensors
  • optical chemical sensors
  • photodiode sensors
  • photoelectric transistor sensors
  • photoelectric detection instruments

Published Papers (2 papers)

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Research

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14 pages, 4235 KiB  
Article
Calibration of Dual-Channel Raman Spectrometer via Optical Frequency Comb
by Shengyujie Lv, Xiaoping Lou, Qiaona Gai and Taotao Mu
Sensors 2024, 24(4), 1217; https://doi.org/10.3390/s24041217 - 14 Feb 2024
Viewed by 564
Abstract
The portable Raman spectrometer boasts portability, rapid analysis, and high flexibility. It stands as a crucial and powerful technical tool for analyzing the chemical composition of samples, whether biological or non-biological, across diverse fields. To improve the resolution of grating spectrometers and ensure [...] Read more.
The portable Raman spectrometer boasts portability, rapid analysis, and high flexibility. It stands as a crucial and powerful technical tool for analyzing the chemical composition of samples, whether biological or non-biological, across diverse fields. To improve the resolution of grating spectrometers and ensure a wide spectral range, many spectrometer systems have been designed with double-grating structures. However, the impact of external forces, such as installation deviations and inevitable collisions, may cause differences between the actual state of the internal spectrometer components and their theoretical values. Therefore, spectrometers must be calibrated to establish the relationship between the wavelength and the pixel positions. The characteristic peaks of commonly used calibration substances are primarily distributed in the 200–2000 cm−1 range. The distribution of characteristic peaks in other wavenumber ranges is sparse, especially for spectrometers with double-channel spectral structures and wide spectral ranges. This uneven distribution of spectral peaks generates significant errors in the polynomial fitting results used to calibrate spectrometers. Therefore, to satisfy the calibration requirements of a dual-channel portable Raman spectrometer with a wide spectral range, this study designed a calibration method based on an optical frequency comb, which generates dense and uniform comb-like spectral signals at equal intervals. The method was verified experimentally and compared to the traditional calibration method of using a mercury–argon lamp. The results showed that the error bandwidth of the calibration results of the proposed method was significantly smaller than that of the mercury–argon lamp method, thus demonstrating a substantial improvement in the calibration accuracy. Full article
(This article belongs to the Special Issue Applications of Optical Fiber Sensors for Online Detection Technology and Instruments)
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Review

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18 pages, 5219 KiB  
Review
Gas Imaging with Uncooled Thermal Imager
by Mengjie Zhang, Guanghai Chen, Peng Lin, Daming Dong and Leizi Jiao
Sensors 2024, 24(4), 1327; https://doi.org/10.3390/s24041327 - 19 Feb 2024
Viewed by 877
Abstract
Gas imaging has become one of the research hotspots in the field of gas detection due to its significant advantages, such as high efficiency, large range, and dynamic visualization. It is widely used in industries such as natural gas transportation, chemical, and electric [...] Read more.
Gas imaging has become one of the research hotspots in the field of gas detection due to its significant advantages, such as high efficiency, large range, and dynamic visualization. It is widely used in industries such as natural gas transportation, chemical, and electric power industries. With the development of infrared detector technology, uncooled thermal imagers are undergoing a developmental stage of technological advancement and widespread application. This article introduces a gas imaging principle and radiation transfer model, focusing on passive imaging technology and active imaging technology. Combined with the actual analysis, the application scenarios using uncooled thermal imaging cameras for gas imaging measurement are analyzed. Finally, the limitations and challenges of the development of gas imaging technology are analyzed. Full article
(This article belongs to the Special Issue Applications of Optical Fiber Sensors for Online Detection Technology and Instruments)
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