New Perspectives in Biomedical Optics and Optical Imaging

A special issue of Photonics (ISSN 2304-6732). This special issue belongs to the section "Biophotonics and Biomedical Optics".

Deadline for manuscript submissions: 30 April 2025 | Viewed by 2310

Special Issue Editors

School of Electronic Science and Engineering, University of Electronic Science and Technology of China, No.2006, Xiyuan Ave, West Hi-Tech Zone, Chengdu 611731, China
Interests: photoacoustic tomography; thermoacoustic tomography; image-guided electromagnetic and ultrasound interventions of cancers and brain
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Guest Editor
School of Information Science and Technology, ShanghaiTech University, Shanghai 201210, China
Interests: thermoacoustic tomography; focused microwave hyperthermia; deep-learning and compressive sensing based imaging algorithms
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
School of Information Engineering, Southwest University of Science and Technology, No.59, Qinglong Ave, Fucheng Zone, Mianyang 621010, China
Interests: photoacoustic tomography; thermoacoustic tomography; reconstruction algorithm; inversion method

Special Issue Information

Dear Colleagues,

Biophotonics is a combination of biology and photonics, with photonics describing the science and technology of generating, manipulating, and detecting photons. It develops and applies optical techniques, particularly imaging, to the study of biological molecules, cells, and tissue. Through years of development, biophotonics has become the established general term for all techniques that deal with the interaction between biological items and photons. Areas of application include life science, medicine, agriculture, etc. Nowadays, biophotonics is an interdisciplinary field involving the interaction between photons and biological materials including tissues, cells, sub-cellular structures, and molecules. The objective of this Special Issue is to provide a vehicle for communicating important advancements in the use of optical methods/technologies for medical imaging and therapies.

For this Special Issue, the topics of interest include, but are not limited to, the following:

  • Optical imaging;
  • Terahertz imaging;
  • Optical coherence tomography;
  • Near-infrared spectroscopy;
  • Photoacoustic/Thermoacoustic tomography and microscopy;
  • Photobiomodulation;
  • Photodynamic therapy;
  • Photoimmunotherapy;
  • Deep learning and artificial intelligence in optical imaging;
  • Translational and clinical applications.

Dr. Lin Huang
Dr. Xiong Wang
Dr. Shuangli Liu
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. Photonics is an international peer-reviewed open access monthly 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 2400 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

  • optical imaging
  • terahertz imaging
  • photoacoustic imaging
  • photobiomodulation

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Published Papers (3 papers)

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Research

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13 pages, 4582 KiB  
Article
Dual-Wavelength Confocal Laser Speckle Contrast Imaging Using a Deep Learning Approach
by E Du, Haohan Zheng, Honghui He, Shiguo Li, Cong Qiu, Weifeng Zhang, Guoqing Wang, Xingquan Li, Lan Ma, Shuhao Shen and Yuan Zhou
Photonics 2024, 11(11), 1085; https://doi.org/10.3390/photonics11111085 - 18 Nov 2024
Viewed by 300
Abstract
This study developed a novel dual-wavelength confocal laser speckle imaging platform. The system includes both visible and near-infrared lasers and two imaging modes: confocal and wide-field laser speckle contrast imaging. The experimental results confirm that the proposed system can be used to measure [...] Read more.
This study developed a novel dual-wavelength confocal laser speckle imaging platform. The system includes both visible and near-infrared lasers and two imaging modes: confocal and wide-field laser speckle contrast imaging. The experimental results confirm that the proposed system can be used to measure not only blood flow but also blood oxygen saturation. Additionally, we proposed a blood flow perfusion imaging method called BlingNet (a blood flow imaging CNN) based on the laser speckle contrast imaging technique and deep learning approach. Compared to the traditional nonlinear fitting method, this method has superior accuracy and robustness with higher imaging speed, making real-time blood flow imaging possible. Full article
(This article belongs to the Special Issue New Perspectives in Biomedical Optics and Optical Imaging)
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7 pages, 1455 KiB  
Article
A Novel Electromagnetic Wavelength Measurement Method Based on Photoacoustic Effect and Photoacoustic Response Characteristics of Nanomaterials
by Yijie Huang, Renbin Zhong, Zhenhui Zhang and Lin Huang
Photonics 2024, 11(9), 831; https://doi.org/10.3390/photonics11090831 - 2 Sep 2024
Viewed by 558
Abstract
This study proposes a differential wavelength measurement method based on the electromagnetic-induced photoacoustic effect. The differential method involves irradiating the sample with multiple wavelengths and utilizing differences in absorption characteristics across different materials to calculate and measure the excitation light wavelengths. Compared to [...] Read more.
This study proposes a differential wavelength measurement method based on the electromagnetic-induced photoacoustic effect. The differential method involves irradiating the sample with multiple wavelengths and utilizing differences in absorption characteristics across different materials to calculate and measure the excitation light wavelengths. Compared to traditional detection methods, this approach combines the unique properties of electromagnetic-induced photoacoustic effect, offering high sensitivity and a wider detection range from microwave to light. Furthermore, the system is structurally simple and stable, suitable for non-destructive testing of various materials, including wavelength-sensitive biological tissues. The experimental results demonstrate that combined with Polymers Benzodithiophene Triazole–Quinoxaline (PBTQ) and Single-Walled Carbon Nanotubes (SWCNTs) as absorbing media, this technique provides a rapid and cost-effective means of wavelength measurement, achieving an uncertainty of approximately 2.33 nm within the range of 680–800 nm, and it can be used for wavelength/frequency measurement of various electromagnetic waves. Full article
(This article belongs to the Special Issue New Perspectives in Biomedical Optics and Optical Imaging)
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Review

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17 pages, 3138 KiB  
Review
Advances in Photoacoustic Endoscopic Imaging Technology for Prostate Cancer Detection
by Ningning Wei, Huiting Chen, Bin Li, Xiaojun Dong and Bo Wang
Photonics 2024, 11(9), 872; https://doi.org/10.3390/photonics11090872 - 18 Sep 2024
Viewed by 1005
Abstract
The rapid progress in biomedical imaging technology has generated considerable interest in new non-invasive photoacoustic endoscopy imaging techniques. This emerging technology offers significant benefits, including high spectral specificity, strong tissue penetration, and real-time multidimensional high-resolution imaging capabilities, which enhance clinical diagnosis and treatment [...] Read more.
The rapid progress in biomedical imaging technology has generated considerable interest in new non-invasive photoacoustic endoscopy imaging techniques. This emerging technology offers significant benefits, including high spectral specificity, strong tissue penetration, and real-time multidimensional high-resolution imaging capabilities, which enhance clinical diagnosis and treatment of prostate cancer. This paper delivers a thorough review of current prostate cancer screening techniques, the core principles of photoacoustic endoscopy imaging, and the latest research on its use in detecting prostate cancer. Additionally, the limitations of this technology in prostate cancer detection are discussed, and future development trends are anticipated. Full article
(This article belongs to the Special Issue New Perspectives in Biomedical Optics and Optical Imaging)
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