Optical Sensing and Devices, 2nd Edition

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "A:Physics".

Deadline for manuscript submissions: closed (20 July 2023) | Viewed by 1917

Special Issue Editors


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Guest Editor
Department of Optoelectronic Engineering, School of Optoelectronic Engineering and Instrumentation Science, Dalian University of Technology, Dalian 116024, China
Interests: atomic spectroscopy; Raman spectroscopy; 2D materials; nonlinear optics; surface-enhanced Raman spectroscopy
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
School of Automation and Software Engineering, Shanxi University, Taiyuan 030006, China
Interests: 2D materials; nonlinear optics; surface-enhanced Raman spectroscopy; sensors
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In recent years, optical sensing has demonstrated excellent application value and significance in the fields of biomedicine, microfluidic devices, biosensor, gas sensing, and imaging technology, among others. Compared with traditional electronic sensing, it can solve issues such as noise filtering, shielding, wiring problems, etc. Optical sensing presents many potential avenues of research, including surface-enhanced Raman scattering, micro-ring resonators, photonic crystal fibres, plasmon devices, luminescent quantum dots, and more.

Optical fibre sensing is one of the most common optical-sensing techniques, and includes distributed fibre, point fraction fibre, photonic crystal fibre, fibre Bragg gratings, few-mode fibre, etc. Its advantage lies in the insulation of pressure, photoacoustic, current, and other interference, and it is used for displacement, strain, speed, current, humidity, and other physical measurements. Optical sensing can also be realised by waveguides, such as silicon slot waveguides, slab waveguides, PDMS waveguides, plasmonic waveguides, and ridge slot waveguides, among others. There are still some other methods, including photonic crystal, nanowires, nanotubes, which are suitable for various wavebands: infrared, microwave, RF, etc.

The aim of this Special Issue is to gather novel ideas and recent progress, develop advanced optical sensing techniques and research, and promote the communication of the optical sensing field. All research content related to optical sensing is welcome.

Dr. Linxian Liu
Prof. Dr. Hsiang-Chen Chui
Guest Editors

Manuscript Submission Information

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Keywords

  • optical fibre sensing
  • Raman scattering
  • micro-ring resonators
  • photonic crystal fibres
  • plasmon devices
  • luminescent quantum dots
  • waveguides
  • photonic crystal
  • nanowires
  • nanotubes

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Published Papers (1 paper)

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Review

26 pages, 4978 KiB  
Review
Junction Temperature Optical Sensing Techniques for Power Switching Semiconductors: A Review
by Ridwanullahi Isa, Jawad Mirza, Salman Ghafoor, Mohammed Zahed Mustafa Khan and Khurram Karim Qureshi
Micromachines 2023, 14(8), 1636; https://doi.org/10.3390/mi14081636 - 19 Aug 2023
Cited by 2 | Viewed by 1676
Abstract
Recent advancements in power electronic switches provide effective control and operational stability of power grid systems. Junction temperature is a crucial parameter of power-switching semiconductor devices, which needs monitoring to facilitate reliable operation and thermal control of power electronics circuits and ensure reliable [...] Read more.
Recent advancements in power electronic switches provide effective control and operational stability of power grid systems. Junction temperature is a crucial parameter of power-switching semiconductor devices, which needs monitoring to facilitate reliable operation and thermal control of power electronics circuits and ensure reliable performance. Over the years, various junction temperature measurement techniques have been developed, engaging both non-optical and optical-based methods, highlighting their advancements and challenges. This review focuses on several optical sensing-based junction temperature measuring techniques used for power-switching devices such as metal-oxide-semiconductor field-effect transistors (MOSFETs) and insulated-gate bipolar transistors (IGBTs). A comprehensive summary of recent developments in infrared camera (IRC), thermal sensitive optical parameter (TSOP), and fiber Bragg grating (FBG) temperature sensing techniques is provided, shedding light on their merits and challenges while providing a few possible future solutions. In addition, calibration methods and remedies for obtaining accurate measurements are discussed, thus providing better insight and directions for future research. Full article
(This article belongs to the Special Issue Optical Sensing and Devices, 2nd Edition)
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