Prof. Bei Zhang Profile

Prof. Bei Zhang

at Peking Univ

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Author

Publications (6)

Proceedings Article | 6 February 2012 Paper

Optical mode pattern study of GaN LEDs with and without top nano-gratings

Greg Chavoor, Doug Cattarusa, Xiaomin Jin, Xing-Xing Fu, Xiang-Ning Kang, Bei Zhang, Guo-Yi Zhang

Proceedings Volume 8278, 82780Q (2012) https://doi.org/10.1117/12.905258

KEYWORDS: Light emitting diodes, Gallium nitride, Thin films, Photonic crystals, Refractive index, Modal analysis, Solid state electronics, Waveguides, Factor analysis, Semiconductor lasers

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Proceedings Article | 24 September 2011 Paper

Light extraction improvement of GaN LEDs using nano-scale top transmission gratings

Greg Chavoor, Xiaomin Jin, Ashton Ellaboudy, Xing-Xing Fu, Xiang-Ning Kang, Bei Zhang, Guo-Yi Zhang

Proceedings Volume 8123, 81231A (2011) https://doi.org/10.1117/12.892665

KEYWORDS: Light emitting diodes, Gallium nitride, Finite-difference time-domain method, Photonic crystals, Refractive index, Optical design, Reflection, Thin films, Crystals

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Proceedings Article | 21 February 2011 Paper

Top transmission grating GaN LED simulations for light extraction improvement

Simeon Trieu, Xiaomin Jin, Ashton Ellaboudy, Bei Zhang, Xiang-Ning Kang, Guo-Yi Zhang, Xiong Chang, Wei Wei, Sun Yong Jian, Fu Xing Xing

Proceedings Volume 7933, 79331Y (2011) https://doi.org/10.1117/12.871595

KEYWORDS: Light emitting diodes, Gallium nitride, Photons, Finite-difference time-domain method, Absorption, Reflection, Diffraction gratings, Semiconductors, Crystals, Photonic crystals

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Proceedings Article | 20 February 2009 Paper

Light extraction improvement of GaN-based light-emitting diodes using patterned undoped GaN bottom reflection gratings

Simeon Trieu, Xiaomin Jin, Bei Zhang, Tao Dai, Kui Bao, Xiang-Ning Kang, Guo-Yi Zhang

Proceedings Volume 7216, 72162Q (2009) https://doi.org/10.1117/12.805480

KEYWORDS: Gallium nitride, Light emitting diodes, Optical design, Silver, Finite-difference time-domain method, Absorption, Reflection, Refraction, Reflectivity, Reflectors

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Proceedings Article | 13 February 2008 Paper

Improvement of light extraction from micro-pattern encapsulated GaN-based LED by imprinting

Kui Bao, Bei Zhang, XiangNing Kang, Tao Dai, Chang Xiong, GuoYi Zhang, Yong Chen

Proceedings Volume 6910, 69100N (2008) https://doi.org/10.1117/12.763285

KEYWORDS: Diffraction gratings, Polymers, Light emitting diodes, Diffraction, Transmittance, Gallium nitride, Sapphire, Silicon, Optical lithography, Organic light emitting diodes

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Proceedings Article | 13 February 2008 Paper

GaN-based light emitting diodes with large area surface nano-structures patterned by anodic aluminum oxide templates

Tao Dai, Bei Zhang, Xiangning Kang, Kui Bao, Wenzhu Zhao, Dongshen Xu, Zizhao Gan

Proceedings Volume 6910, 69100P (2008) https://doi.org/10.1117/12.763416

KEYWORDS: Light emitting diodes, Nanostructures, Etching, Optical lithography, Gallium nitride, Aluminum, Nanolithography, Polymethylmethacrylate, Sapphire, Scanning electron microscopy

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Showing 5 of 6 publications

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