Dr. Defu Chen Profile

Dr. Defu Chen

at Beijing Institute of Technology

SPIE Involvement:

Conference Program Committee | Author

Proceedings Article | 19 March 2024 Presentation

Intraoperative detection of glioma infiltration with attenuation-based quantitative OCT

Hyeon-Cheol Park, Defu Chen, Wu Yuan, David Nauen, Kaisorn Chaichana, Chetan Bettegowda, Alfredo Quiñones-Hinojosa, Xingde Li

Proceedings Volume PC12830, PC128302G (2024) https://doi.org/10.1117/12.3004223

KEYWORDS: Signal attenuation, Optical coherence tomography, Tissue optics, Cancer detection, Brain cancer, Cancer, Brain tissue, Brain mapping, Nervous system, In vivo imaging

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Proceedings Article | 29 November 2023 Poster

Comparison of algorithms for the estimation of the optical attenuation coefficients in optical coherence tomography

Nian Peng, Xiaoyu Yang, Chengli Xu, Kerui Li, Haixia Qiu, Ying Gu, Defu Chen

Proceedings Volume 12770, 1277038 (2023) https://doi.org/10.1117/12.2688870

KEYWORDS: Optical coherence tomography, Signal attenuation, Tissues, Tissue optics, Detection and tracking algorithms, Model-based design, Silicon, Cancer detection, System integration, Scattering

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Proceedings Article | 10 October 2020 Presentation

Optical histology for cancer detection and PDT treatment assessment

Defu Chen, David Nauen, Xingde Li, Ying Gu

Proceedings Volume 11553, 1155318 (2020) https://doi.org/10.1117/12.2579363

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Proceedings Article | 20 November 2014 Paper

Laser Doppler line scanner for monitoring skin perfusion changes of port wine stains during vascular-targeted photodynamic therapy

Defu Chen, Jie Ren, Ying Wang, Ying Gu

Proceedings Volume 9268, 92681Y (2014) https://doi.org/10.1117/12.2071487

KEYWORDS: Skin, Doppler effect, Laser therapeutics, Laser scanners, 3D scanning, Photodynamic therapy, Tissue optics, Light sources, Standards development, Biomedical optics

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Proceedings Article | 18 November 2014 Paper

Vessel constriction correlated with local singlet oxygen generation during vascular targeted photodynamic therapy

Lisheng Lin, Yirong Li, Jinde Zhang, Zou Tan, Defu Chen, Shusen Xie, Ying Gu, Buhong Li

Proceedings Volume 9268, 92680T (2014) https://doi.org/10.1117/12.2074038

KEYWORDS: Luminescence, Blood vessels, Photodynamic therapy, Oxygen, Near infrared, In vivo imaging, Imaging systems, Veins, Image filtering, Tumors

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Proceedings Article | 18 November 2014 Paper

Optical coherence tomography: a potential tool for prediction of treatment response for port wine stain after photodynamic therapy

Jie Zhen, Chengming Wang, Ying Wang, Defu Chen, Ying Gu

Proceedings Volume 9268, 926807 (2014) https://doi.org/10.1117/12.2071484

KEYWORDS: Photodynamic therapy, Optical coherence tomography, Skin, Laser therapeutics, Biomedical optics, Tissue optics, Blood vessels, In vivo imaging, Analytical research, Instrument modeling

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Proceedings Article | 8 May 2014 Paper

Direct imaging of singlet oxygen luminescence generated in blood vessels during photodynamic therapy

Lisheng Lin, Huiyun Lin, Defu Chen, Longchao Chen, Min Wang, Shusen Xie, Ying Gu, Brian Wilson, Buhong Li

Proceedings Volume 9129, 912920 (2014) https://doi.org/10.1117/12.2052033

KEYWORDS: Luminescence, Blood vessels, Photodynamic therapy, Imaging systems, Near infrared, Oxygen, Indium gallium arsenide, Cameras, In vivo imaging, Optical filters

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Proceedings Article | 9 November 2010 Paper

Determination of singlet oxygen quantum yield of HiPorfin using Singlet Oxygen Sensor Green

Huiyun Lin, Yi Shen, Defu Chen, Lisheng Lin, Buhong Li, Shusen Xie

Proceedings Volume 7845, 78451J (2010) https://doi.org/10.1117/12.870108

KEYWORDS: Luminescence, Quantum efficiency, Oxygen, Photodynamic therapy, Sensors, Absorption, Signal to noise ratio, Lithium, Medicine, Fluorescence spectroscopy

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