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Spectral Detection: Technologies and Applications—2nd Edition

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Optics and Lasers".

Deadline for manuscript submissions: 30 July 2025 | Viewed by 730

Special Issue Editors


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Guest Editor
School of Chemical Engineering and Technology, Tiangong University, Tianjin 300387, China
Interests: chemometrics methods; rapid nondestructive detection of edible oil; quality control of traditional Chinese medicine; near infrared spectral analysis; Raman spectral analysis; ultraviolet-visible spectral analysis
Special Issues, Collections and Topics in MDPI journals
Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China
Interests: laser absorption spectroscopy; solid-state lasers; laser micromachining
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China
Interests: spectral imaging; spectral image processing; Raman spectral analysis; Fourier transform spectrometry
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Spectral detection technology has always been a research hotspot in the field of detection. Because of its non-contact, fast, efficient, and dynamic characteristics, spectral detection can be completed without sampling and sample preprocessing. Thus, it is widely used in national defense, space remote sensing, food detection, biomedicine, and other engineering fields. In recent years, with the development of science and technology, the application of spectral detection technology has expanded to a new dimension. To this end, we have set up a Special Issue, entitled "Spectral Detection: Technplogies and Applications". This Special Issue aims to investigate the latest advances and trends in spectral detection technology and its applications. Topics of interest include, but are not limited to, the following:

  • Hyper-spectral detection;
  • Multispectral detection;
  • Infrared spectral analysis;
  • Near-infrared spectral analysis;
  • Raman spectral detection;
  • Spectral imaging;
  • Spectral sensing;
  • Laser spectroscopic detection;
  • High-resolution spectral detection;
  • Chemometric methods and their application in spectral analysis.

Prof. Dr. Xihui Bian
Dr. Jin Yu
Dr. Qunbo Lv
Guest Editors

Manuscript Submission Information

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Keywords

  • multispectral detection
  • hyper-spectral detection
  • spectral analysis
  • spectral imaging
  • spectral sensing

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Published Papers (1 paper)

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Research

30 pages, 22071 KiB  
Article
Analysis of Optical Errors in Joint Fabry–Pérot Interferometer–Fourier-Transform Imaging Spectroscopy Interferometric Super-Resolution Systems
by Yu Zhang, Qunbo Lv, Jianwei Wang, Yinhui Tang, Jia Si, Xinwen Chen and Yangyang Liu
Appl. Sci. 2025, 15(6), 2938; https://doi.org/10.3390/app15062938 - 8 Mar 2025
Viewed by 572
Abstract
Fourier-transform imaging spectroscopy (FTIS) faces inherent limitations in spectral resolution due to the maximum optical path difference (OPD) achievable by its interferometer. To overcome this constraint, we propose a novel spectral super-resolution technology integrating a Fabry–Pérot interferometer (FPI) with FTIS, termed multi-component joint [...] Read more.
Fourier-transform imaging spectroscopy (FTIS) faces inherent limitations in spectral resolution due to the maximum optical path difference (OPD) achievable by its interferometer. To overcome this constraint, we propose a novel spectral super-resolution technology integrating a Fabry–Pérot interferometer (FPI) with FTIS, termed multi-component joint interferometric hyperspectral imaging (MJI-HI). This method leverages the FPI to periodically modulate the target spectrum, enabling FTIS to capture a modulated interferogram. By encoding high-frequency spectral interference information into low-frequency interference regions through FPI modulation, an advanced inversion algorithm is developed to reconstruct the encoded high-frequency components, thereby achieving spectral super-resolution. This study analyzes the impact of primary optical errors and tolerance thresholds in the FPI and FTIS on the interferograms and spectral fidelity of MJI-HI, along with proposing algorithmic improvements. Notably, certain errors in the FTIS and FPI exhibit mutual interference. The theoretical framework for error analysis is validated and discussed through numerical simulations, providing critical theoretical support for subsequent instrument development and laying a foundation for advancing novel spectral super-resolution technologies. Full article
(This article belongs to the Special Issue Spectral Detection: Technologies and Applications—2nd Edition)
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