Dr. Yonghua Hu Profile

Dr. Yonghua Hu

at Hunan Univ of Science and Technology

SPIE Involvement:

Author

Publications (8)

SPIE Journal Paper | 25 April 2017

Experimental realization of spatial light modulation based on graded-index plasma channels

Chao Tan, Yonghua Hu, Xiaohui Shi, Yangbao Deng, Shiping Zhan, Zaifang Xi, Xiquan Fu

OE, Vol. 56, Issue 04, 044105, (April 2017) https://doi.org/10.1117/12.10.1117/1.OE.56.4.044105

KEYWORDS: Modulation, Laser beam diagnostics, Plasma, Spatial light modulators, Beam shaping, Refractive index, Femtosecond phenomena, Plasma generation, Laser beam propagation, Mirrors

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Proceedings Article | 9 November 2016 Paper

Investigation on the formation of intense fringe near nonlinear medium slab in nonlinear imaging

Yonghua Hu, Yaqiong Qiu, Xue Peng

Proceedings Volume 10016, 100160K (2016) https://doi.org/10.1117/12.2246057

KEYWORDS: Wave propagation, Laser beam propagation, High power lasers, Phase modulation, Modulation, Free space, Solids, Phase shift keying, Beam propagation method, Phase shifts

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Proceedings Article | 18 November 2014 Paper

Investigation on the formation of second-order-hot-image-like fringes

Yonghua Hu, Guohui Li, Shaobo Zhang, Yi Shen

Proceedings Volume 9266, 926613 (2014) https://doi.org/10.1117/12.2071457

KEYWORDS: Phase modulation, Computer simulations, Beam propagation method, Free space, Solids, Nonlinear optics, Modulation, High power lasers, Protactinium, Phase shifts

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Proceedings Article | 29 November 2012 Paper

Nonlinear imaging properties of two parallel gain-typed wirelike scatterers

Jie Huang, Yonghua Hu

Proceedings Volume 8551, 855106 (2012) https://doi.org/10.1117/12.999940

KEYWORDS: Beam propagation method, Free space, Nonlinear optics, Computer simulations, Modulation, Image processing, Imaging systems, Image acquisition, Gaussian beams, Optical components

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Proceedings Article | 17 November 2010 Paper

Nonlinear images of gain defects

Yonghua Hu, Haibo Wu, Qiuyun Zheng, Jie Huang, Jianbo Xu

Proceedings Volume 7843, 78431G (2010) https://doi.org/10.1117/12.870074

KEYWORDS: Signal attenuation, Phase modulation, Modulation, Nonlinear optics, Image processing, Beam propagation method, High power lasers, Image fusion, Free space, Image enhancement

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Proceedings Article | 6 February 2008 Paper

Dependence of nonlinear hot-images of intense laser beams on the thickness of Kerr medium with gain and loss

Youwen Wang, Lifu Zhang, Yonghua Hu, Shuangchun Wen, Xiquan Fu

Proceedings Volume 6823, 682312 (2008) https://doi.org/10.1117/12.755619

KEYWORDS: Amplitude modulation, Phase modulation, Laser beam propagation, Numerical simulations, Nonlinear optics, Geometrical optics, Image acquisition, Modulation, Neodymium, Optical simulations

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Proceedings Article | 6 February 2008 Paper

Formation of the second-order hot image in broadband laser systems

Yonghua Hu, Youwen Wang, Shuangchun Wen

Proceedings Volume 6823, 682310 (2008) https://doi.org/10.1117/12.754968

KEYWORDS: Phase shifts, Laser systems engineering, High power lasers, Free space, Diffraction, Pulsed laser operation, Image processing, Laser safety, Dispersion, Optical components

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Proceedings Article | 21 November 2007 Paper

Study of spatial soliton propagation in lossy optical lattice

Hui Zhuo, Yonghua Hu, Shuangchun Wen

Proceedings Volume 6781, 678153 (2007) https://doi.org/10.1117/12.743432

KEYWORDS: Modulation, Nonlinear optics, Refractive index, Diffraction, Beam propagation method, Solitons, Spatial solitons, Waveguides, Signal attenuation, Switching

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Showing 5 of 8 publications

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