Prof. Yongjun Liu Profile

Prof. Yongjun Liu

at Harbin Engineering Univ

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Author

Publications (9)

SPIE Journal Paper | 27 November 2018

Proximal splitting methods for fluorescence molecular tomography

Lei Wang, Yongjun Liu, Hui Huang

OE, Vol. 57, Issue 11, 113105, (November 2018) https://doi.org/10.1117/12.10.1117/1.OE.57.11.113105

KEYWORDS: Reconstruction algorithms, Luminescence, Tomography, Fluorescence tomography, Inverse problems, Detection and tracking algorithms, Optical engineering, Diffusion, Optical tomography, Photons

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Proceedings Article | 23 April 2017 Paper

Thermal sensing based on whispering gallery modes in tapered-fiber-coupled liquid crystal microdroplets

Yan Wang, Hanyang Li, Liyuan Zhao, Yongjun Liu, Shuangqiang Liu, Jun Yang

Proceedings Volume 10323, 1032339 (2017) https://doi.org/10.1117/12.2264901

KEYWORDS: Liquids, Refractive index, Temperature metrology, Water, Optical resonators, Polymethylmethacrylate, Liquid crystals, Thermal sensing, Tapered optical fibers, Waveguides

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Proceedings Article | 22 July 2016 Paper

Influence of misalignment on output of astronomical large-core fibers of multi-object fiber spectroscopic telescopes

Weimin Sun, Jing Wang, Qi Yan, Tao Geng, Zhenyu Ma, Yongjun Liu, Xiangqun Cui

Proceedings Volume 9912, 991257 (2016) https://doi.org/10.1117/12.2230663

KEYWORDS: Optical fibers, Speckle, Optical fibers, Astronomical imaging, Telescopes, Astronomy, Spectroscopy, Stars, Spectroscopes, Astronomical telescopes, Charge-coupled devices

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Proceedings Article | 22 June 2015 Paper

Phase disturbing speckle-suppressing method in fiber metrology under coherent illumination

Weimin Sun, Yunxiang Yan, Jing Wang, Hongyuan Fu, He Tian, Yongjun Liu

Proceedings Volume 9525, 952537 (2015) https://doi.org/10.1117/12.2184590

KEYWORDS: Speckle, Speckle pattern, Charge-coupled devices, Astronomy, Phase shift keying, Optical fibers, Metrology, Fiber lasers, Light sources, Phase modulation

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Proceedings Article | 7 August 2014 Paper

Photonic lantern with cladding-removable fibers

Weimin Sun, Qi Yan, Yao Bi, Haijiao Yu, Xiaoqi Liu, Jiuling Xue, He Tian, Yongjun Liu

Proceedings Volume 9151, 91514C (2014) https://doi.org/10.1117/12.2055780

KEYWORDS: Optical fibers, Near field, Astronomy, Cladding, Waveguides, Refractive index, Spectrographs, Spectrometers, Polymers, Stars

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Proceedings Article | 11 December 2012 Paper

The influence of temperature on the full-filled LC-PCF

Jialu Wang, Xiaoqi Liu, Yongjun Liu, Weimin Sun

Proceedings Volume 8564, 85640O (2012) https://doi.org/10.1117/12.2001291

KEYWORDS: Liquid crystals, Temperature metrology, Photonic crystal fibers, Attenuators, Charge-coupled devices, Optical switching, Optical filters, Optical components, Analytical research, Cladding

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Proceedings Article | 29 November 2012 Paper

Temperature and align effects on efficiency of cholesteric liquid crystal based laser

Feiru Wang, Yongjun Liu, Xiaoqi Liu, Weimin Sun

Proceedings Volume 8551, 855108 (2012) https://doi.org/10.1117/12.2001275

KEYWORDS: Liquid crystals, Laser crystals, Glasses, Temperature metrology, High power lasers, Tunable lasers, Laser resonators, Doping, Laser damage threshold, Refractive index

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Proceedings Article | 29 November 2011 Paper

A new kind of high birefringence photonic crystal fibers with square-lattice cladding

Xiaoqi Liu, Weimin Sun, Feiru Wang, Yongjun Liu

Proceedings Volume 8202, 82020Q (2011) https://doi.org/10.1117/12.907233

KEYWORDS: Birefringence, Cladding, Photonic crystal fibers, Polarization, Dispersion, Finite element methods, Fiber optic gyroscopes, Sun, Analytical research, Fiber optics sensors

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Proceedings Article | 16 November 2010 Paper

Criterian of single-mode photonic liquid crystal fibers

Weimin Sun, Xiaoqi Liu, Yongjun Liu, Yu Jiang

Proceedings Volume 7847, 78470S (2010) https://doi.org/10.1117/12.870622

KEYWORDS: Cladding, Photonic liquid crystal fibers, Liquid crystals, Photonic crystal fibers, Finite element methods, Refractive index, Optical fibers, Photonic crystals, Sun, Polymers

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Showing 5 of 9 publications

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