Prof. Haojun Hu Profile

Prof. Haojun Hu

at National Univ of Defense Technology

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Publications (7)

Proceedings Article | 24 October 2017 Paper

Efficient phase locking of two dual-wavelength fiber amplifiers by an all-optical self-feedback loop

Bing Lei, Keshan Chen, Tianfu Yao, Jianhua Shi, Haojun Hu

Proceedings Volume 10457, 104571Y (2017) https://doi.org/10.1117/12.2284661

KEYWORDS: Mode locking, Fiber amplifiers, Fiber lasers, Coherent beam combination, Spatial filters

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Proceedings Article | 16 August 2017 Open Access

Reform of experimental teaching based on quality cultivation

Wei Wang, Xingwei Yan, Wei Liu, Tianfu Yao, Jianhua Shi, Bing Lei, Haojun Hu

Proceedings Volume 10452, 104524M (2017) https://doi.org/10.1117/12.2268858

KEYWORDS: Education and training

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Proceedings Article | 16 August 2017 Open Access

Exploration and practice of the cultivation of optoelectronic innovative talents based on the Students Innovation Training Program

Bing Lei, Wei Liu, Jianhua Shi, Tianfu Yao, Wei Wang, Haojun Hu

Proceedings Volume 10452, 1045242 (2017) https://doi.org/10.1117/12.2266457

KEYWORDS: Optoelectronics, Scientific research, Analytical research, Quality systems

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Proceedings Article | 16 August 2017 Open Access

A whole-process progressive training mode to foster optoelectronic students' innovative practical ability

Hairong Zhong, Wei Xu, Haojun Hu, Chengfang Duan

Proceedings Volume 10452, 104520T (2017) https://doi.org/10.1117/12.2266476

KEYWORDS: Optoelectronics, Scientific research, Computing systems, Integrated optics, Mechanics, Electronics

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This article analyzes the features of fostering optoelectronic students’ innovative practical ability based on the knowledge structure of optoelectronic disciplines, which not only reveals the common law of cultivating students' innovative practical ability, but also considers the characteristics of the major: (1) The basic theory is difficult, and the close combination of science and technology is obvious; (2)With the integration of optics, mechanics, electronics and computer, the system technology is comprehensive; (3) It has both leading-edge theory and practical applications, so the benefit of cultivating optoelectronic students is high ; (4) The equipment is precise and the practice is costly. Considering the concept and structural characteristics of innovative and practical ability, and adhering to the idea of running practice through the whole process, we put forward the construction of three-dimensional innovation and practice platform which consists of “Synthetically Teaching Laboratory + Innovation Practice Base + Scientific Research Laboratory + Major Practice Base + Joint Teaching and Training Base”, and meanwhile build a whole-process progressive training mode to foster optoelectronic students’ innovative practical ability, following the process of “basic experimental skills training - professional experimental skills training - system design - innovative practice - scientific research project training - expanded training - graduation project”: (1) To create an in - class practical ability cultivation environment that has distinctive characteristics of the major, with the teaching laboratory as the basic platform; (2) To create an extra-curricular innovation practice activities cultivation environment that is closely linked to the practical application, with the innovation practice base as a platform for improvement; (3) To create an innovation practice training cultivation environment that leads the development of cutting-edge, with the scientific research laboratory as a platform to explore; (4) To create an out-campus expanded training environment of optoelectronic major practice and optoelectronic system teaching and training, with the major practice base as an expansion of the platform; (5) To break students’ “pre-job training barriers” between school and work, with graduation design as the comprehensive training and testing link.

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Proceedings Article | 16 August 2017 Open Access

Demonstration of theoretical and experimental simulations in fiber optics course

Tianfu Yao, Xiaolin Wang, Jianhua Shi, Bing Lei, Wei Liu, Wei Wang, Haojun Hu

Proceedings Volume 10452, 1045204 (2017) https://doi.org/10.1117/12.2264211

KEYWORDS: Fiber optics, Optical simulations, Photonics, Light sources, Geometrical optics, Optical fibers, Fiber lasers, Multiplexing

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Proceedings Article | 15 October 2013 Paper

Single-element beam shaper for conversion of a fiber laser beam into a near-diffraction-limited dark hollow beam

Haotong Ma, Haojun Hu, Wenke Xie, Guangwen Jiang, Xiaojun Xu

Proceedings Volume 8898, 88980S (2013) https://doi.org/10.1117/12.2029406

KEYWORDS: Beam shaping, Wavefronts, Aspheric lenses, Gaussian beams, Fiber lasers, Near field optics, Geometrical optics, Fourier optics, Optical alignment, Near field

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SPIE Journal Paper | 26 April 2013

Study on the generation of a vortex laser beam by using phase-only liquid crystal spatial light modulator

Haotong Ma, Haojun Hu, Wenke Xie, Xiaojun Xu

OE, Vol. 52, Issue 09, 091721, (April 2013) https://doi.org/10.1117/12.10.1117/1.OE.52.9.091721

KEYWORDS: Near field, Near field optics, Spiral phase plates, Liquid crystals, Gaussian beams, Error analysis, Optical engineering, Numerical simulations, Electrodes, Wavefronts

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Showing 5 of 7 publications

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