Dr. Lichun Feng Profile

Dr. Lichun Feng

at Capital Normal Univ

SPIE Involvement:

Author

Publications (12)

Proceedings Article | 26 January 2016 Paper

Infrared thermal wave non-destructive detection for the internal structure of metal Buddha head

He-Nan Zhang, Zhen-Wei Zhang, Yong Lei, Liang Qu, Fei Gao, Li-Chun Feng

Proceedings Volume 9796, 97960A (2016) https://doi.org/10.1117/12.2228854

KEYWORDS: Thermography, Infrared detectors, Infrared imaging, Nondestructive evaluation, Metals, Image processing, Infrared cameras, Analytical research

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SPIE Journal Paper | 31 January 2013 Open Access

Developing signal processing method for recognizing defects in metal samples based on heat diffusion properties in sonic infrared image sequences

Zhi Zeng, Ning Tao, Lichun Feng, Cunlin Zhang, Xiaoyan Han

OE, Vol. 52, Issue 06, 061309, (January 2013) https://doi.org/10.1117/12.10.1117/1.OE.52.6.061309

KEYWORDS: Infrared imaging, Infrared radiation, Metals, Diffusion, Signal processing, Signal detection, Interference (communication), Image processing, Optical engineering, Defect detection

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Proceedings Article | 5 December 2012 Paper

Optimization for the heating pulse used in infrared thermography non-destructive testing technology

Guo Li, Lichun Feng, Cunlin Zhang

Proceedings Volume 8562, 856221 (2012) https://doi.org/10.1117/12.999620

KEYWORDS: Nondestructive evaluation, Thermography, Fourier transforms, Infrared radiation, Thermal effects, Infrared imaging, Infrared detectors, Infrared sensors, Lamps, Xenon

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Proceedings Article | 26 November 2012 Paper

Design and optimization of chopper based on Labview

Guo Li, Xiaolei Wang, Lichun Feng, Cunlin Zhang

Proceedings Volume 8557, 85571V (2012) https://doi.org/10.1117/12.999863

KEYWORDS: Modulation, LabVIEW, Data acquisition, Clocks, Receivers, Signal detection, Feedback signals, Frequency modulation, Adaptive optics, Physics

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Proceedings Article | 8 September 2011 Paper

Bonding quality evaluation of wind turbine blades by pulsed thermography

Rui-gang He, De-juan Kong, Zhi Zeng, Ning Tao, Cun-lin Zhang, Li-chun Feng

Proceedings Volume 8193, 81933G (2011) https://doi.org/10.1117/12.900770

KEYWORDS: Thermography, Inspection, Nondestructive evaluation, Ultrasonics, Infrared radiation, Infrared imaging, Infrared cameras, Image processing, Imaging spectroscopy, Wind turbine technology

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Proceedings Article | 8 September 2011 Paper

Measurement of defect depth by peak second derivative method in pulse thermography

Lichun Feng, Ruigang He, Yan Zhang

Proceedings Volume 8193, 819333 (2011) https://doi.org/10.1117/12.900701

KEYWORDS: Thermography, Inspection, Data modeling, Temperature metrology, Thermal modeling, Nondestructive evaluation, 3D modeling, Modulation, Physics, Ultrasonics

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Proceedings Article | 8 September 2011 Paper

The effect of depth on the quantitative estimation of defect size using pulsed thermography

Tie Feng, Cunlin Zhang, Lichun Feng

Proceedings Volume 8193, 81933B (2011) https://doi.org/10.1117/12.900752

KEYWORDS: Thermography, 3D modeling, Thermal modeling, Finite element methods, Metals, Aluminum, Heat flux, Nondestructive evaluation, Infrared radiation, 3D metrology

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Proceedings Article | 17 November 2010 Paper

Elimination of reflection induced artifacts in flash thermography

Lichun Feng, Peng Zou, Ning Tao

Proceedings Volume 7854, 78540S (2010) https://doi.org/10.1117/12.869901

KEYWORDS: Thermography, Reflection, Spatial filters, Image filtering, Reflectivity, Lamps

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Proceedings Article | 16 November 2010 Paper

Noncontact ultrasonic excitation thermography inspection technique

Ning Tao, Zhi Zeng, Lichun Feng, Dapeng Chen, Yue Li, Cunlin Zhang

Proceedings Volume 7854, 78543S (2010) https://doi.org/10.1117/12.880769

KEYWORDS: Ultrasonics, Thermography, Acoustics, Ultrasonography, Infrared cameras, Nondestructive evaluation, Transducers, Inspection, Aluminum, Infrared imaging

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Proceedings Article | 8 January 2008 Paper

Ultrasonic infrared thermal wave nondestructive evaluation for crack detection of several aerospace materials

Weichao Xu, Jingling Shen, Cunlin Zhang, Ning Tao, Lichun Feng

Proceedings Volume 6835, 68350V (2008) https://doi.org/10.1117/12.757015

KEYWORDS: Thermography, Ultrasonics, Nondestructive evaluation, Infrared cameras, Infrared radiation, Infrared detectors, Infrared imaging, Cameras, Aerospace engineering, Carbon

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Proceedings Article | 26 January 2005 Paper

LD-pumped high-efficiency Nd:YAG ceramic laser

Chengwei Yang, Yujing Huo, Shufang He, Lichun Feng

Proceedings Volume 5627, (2005) https://doi.org/10.1117/12.574149

KEYWORDS: Nd:YAG lasers, Ceramics, Crystals, Q switched lasers, Pulsed laser operation, Continuous wave operation, Q switching, Laser crystals, Doping, Absorption

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Proceedings Article | 9 October 2000 Paper

New type of diode-pumped cavity-dumping laser

Fei Chen, Yujing Huo, Shufang He, Lichun Feng

Proceedings Volume 4221, (2000) https://doi.org/10.1117/12.402563

KEYWORDS: Semiconductor lasers, Acousto-optics, Resonators, Pulsed laser operation, Electro optics, Crystals, Q switches, Neodymium lasers, Polarizers, Q switched lasers

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Showing 5 of 12 publications

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