Advanced Photonic Applications

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Optoelectronics".

Deadline for manuscript submissions: closed (15 October 2023) | Viewed by 1065

Special Issue Editors


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Guest Editor
Department of Electronics Science and Engineering, Tongji University, Shanghai 201804, China
Interests: optical communication systems analysis and optical signal processing

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Guest Editor
State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
Interests: photonics device design and characterization
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Special Issue Information

Dear Colleagues,

Photonics has been widely considered as the future alternative to accelerate the processing speed of electronics. Its fast processing speed with ultra-low power consumption encourages the researchers to find more applications in various areas.

Optical communication is a successful example of the photonic applications, which starts from the invention of optical fibers by Charles Kao and serves as the backbone of the communication network at the moment. The evolution of the optical communication has entered the era of higher order modulation format, space division multiplexing and ultra-broadband transmission, which is based on the advanced photonic technologies.

All optical signal processing enables light speed processing and is attractive in various areas. The linear and nonlinear properties of materials can be exploited to build novel functional devices. The recently emerging diffractive deep neural network is a significant trial of the advanced photonic signal processing techniques in the area of artificial intelligence (AI).

In the Special Issue of “Advanced Photonic Applications”, we encourage the colleagues in the area to submit high quality works, focusing on the modeling, simulation, design, analysis, and experimentation of advanced photonic applications to benefit the related research communities and the interested audience.

Prof. Dr. Junhe Zhou
Prof. Dr. Kan Wu
Guest Editors

Manuscript Submission Information

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Keywords

  • linear and nonlinear optics
  • classic optics
  • quantum optics
  • fiber optics
  • waveguide optics
  • optical devices
  • optical communications
  • optical precise measurement
  • optical sensors

Published Papers (1 paper)

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Research

25 pages, 4279 KiB  
Article
Possibilities of Diffuse Reflectance Spectroscopy in Determining and Operational Control of the Optical Properties of Finely Dispersed Scattering Media
by Oleksandra Hotra, Vladimir Firago, Konstantin Shuliko and Piotr Kisała
Electronics 2023, 12(13), 2893; https://doi.org/10.3390/electronics12132893 - 30 Jun 2023
Cited by 1 | Viewed by 820
Abstract
The characteristics of modern portable spectrometers based on photodetector arrays make it possible to create on their basis a new class of devices for operational control of the optical properties of various media. The introduction into the practice of diffuse reflectance spectroscopy with [...] Read more.
The characteristics of modern portable spectrometers based on photodetector arrays make it possible to create on their basis a new class of devices for operational control of the optical properties of various media. The introduction into the practice of diffuse reflectance spectroscopy with spatial resolution is hampered by the lack of an analysis of the influence of the width of the spectral region used and other sources of measurement uncertainty on the unambiguous determination of the optical properties of finely dispersed scattering materials. This article describes a method of determining the coefficient of local diffuse reflection and calculating the spectral parameters of the reduced scattering and absorption of radiation based on the differences in their shape, which are clearly manifested in a wide range of the spectrum. This allows the reduction in the determination of the desired spectral dependencies to the formation of a residual function that requires varying the values of only two parameters. A method for normalising the recorded spectral dependencies is described, which makes it possible to minimise the influence of the spectral characteristics of the equipment used on the recorded spectral–spatial profiles. Approbation of the method was carried out on examples of processing spectral–spatial diffuse reflection profiles of four samples of finely dispersed scattering structural materials, as well as diffuse reflection profiles of living tissue in the palm thenar region. The sources of uncertainty that affect the uniqueness of the obtained solutions are found, and solutions are proposed to minimise their influence on the desired spectral dependencies. The results obtained indicate the prospects of using the described method for creating equipment for non-destructive control of the optical properties of finely dispersed materials and media, including living tissues and food products. Full article
(This article belongs to the Special Issue Advanced Photonic Applications)
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