Dr. Jian Ju Profile

Dr. Jian Ju

at The Hong Kong Polytechnic Univ

SPIE Involvement:

Author

Publications (15)

Proceedings Article | 7 November 2012 Paper

Hollow-core photonic bandgap fiber Mach-Zehnder interferometer based on a long period grating and an offset-splice joint

Xiujuan Yu, Jian Ju, Wei Jin, Jintao Zhang, Shengchun Liu

Proceedings Volume 8421, 84216T (2012) https://doi.org/10.1117/12.966812

KEYWORDS: Mach-Zehnder interferometers, Interferometers, Temperature metrology, Carbon dioxide lasers, Fusion splicing, Refractive index, Beam splitters, Cladding, Infrared cameras, Sensors

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Proceedings Article | 19 May 2011 Paper

Strain sensitivity of long period gratings in hollow-core photonic bandgap fibers

Long Jin, Wei Jin, Jian Ju

Proceedings Volume 7753, 77539P (2011) https://doi.org/10.1117/12.885840

KEYWORDS: Carbon dioxide lasers, Cladding, Dispersion, Photonic crystal fibers, Single mode fibers, Solids, Finite element methods, Refractive index, Silica, Optical fibers

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Proceedings Article | 18 May 2011 Paper

Introduction of birefringence into photonic crystal fibers

Jian Ju, Wei Jin, Yuanhong Yang

Proceedings Volume 7753, 77536J (2011) https://doi.org/10.1117/12.885098

KEYWORDS: Birefringence, Optical fibers, Photonic crystal fibers, Carbon dioxide lasers, Single mode fibers, Scanning electron microscopy, Cladding, Femtosecond phenomena, Infrared lasers, Sensors

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Proceedings Article | 19 January 2011 Paper

Polarization independent acousto-optic filter based on photonic crystal fibers by using a fiber loop mirror

Chun-Liu Zhao, Wei Jin, J. Ju, Xinyong Dong, Juan Kang, Z. Zhang, S. Jin

Proceedings Volume 7986, 79860N (2011) https://doi.org/10.1117/12.888522

KEYWORDS: Polarization, Mirrors, Acousto-optics, Optical filters, Acoustics, Photonic crystal fibers, Light sources, Tunable filters, Ferroelectric materials, Cladding

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Proceedings Article | 9 September 2010 Paper

Understanding the mode coupling process in a strong long period grating

Long Jin, Wei Jin, Jian Ju

Proceedings Volume 7653, 76530U (2010) https://doi.org/10.1117/12.865357

KEYWORDS: Cladding, Carbon dioxide lasers, Refractive index, Modulation, Optical fibers, Energy transfer, Wave propagation, Photonic crystal fibers, Sensors, Signal attenuation

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Proceedings Article | 28 April 2010 Paper

In-line devices and sensors based on air-silica microstructure optical fibers

Wei Jin, Long Jin, Shujing Liu, Yeuk Lai Hoo, Jian Ju, Hoi Lut Ho

Proceedings Volume 7682, 768205 (2010) https://doi.org/10.1117/12.849962

KEYWORDS: Micro optical fluidics, Carbon dioxide lasers, Optical fibers, Femtosecond phenomena, Cladding, Polarizers, Sensors, Carbon dioxide, Polarization, Temperature metrology

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Proceedings Article | 5 October 2009 Paper

Photonic bandgap fiber tapers and interferometric sensors

Jian Ju, Lina Ma, Wei Jin

Proceedings Volume 7503, 75035B (2009) https://doi.org/10.1117/12.834938

KEYWORDS: Interferometry, Sensors, Single mode fibers, Interferometers, Temperature metrology, Fiber optics sensors, Refractive index, Photonic crystals, Cladding, Mach-Zehnder interferometers

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Proceedings Article | 5 October 2009 Paper

Fiber optic gas detection system for health monitoring of oil-filled transformer

H. Ho, J. Ju, W. Jin

Proceedings Volume 7503, 75030T (2009) https://doi.org/10.1117/12.834904

KEYWORDS: Gases, Transformers, Sensors, Fiber optics, Methane, Head, Absorption, Modulation, Signal detection, Fiber optics sensors

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Proceedings Article | 5 October 2009 Paper

Directional bend sensor based on asymmetric long period grating in photonic crystal fiber

Long Jin, Wei Jin, Jian Ju

Proceedings Volume 7503, 75035O (2009) https://doi.org/10.1117/12.834243

KEYWORDS: Cladding, Sensors, Carbon dioxide lasers, Photonic crystal fibers, Modulation, Refractive index, Single mode fibers, Near field, Carbon dioxide, Solids

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Proceedings Article | 16 May 2008 Paper

Fabrication and characterization of long period gratings in air-core photonic bandgap fibers

W. Jin, Y. Wang, J. Ju, H. Xuan, H. Ho, L. Xiao, D. Wang

Proceedings Volume 7004, 70042C (2008) https://doi.org/10.1117/12.785957

KEYWORDS: Optical fibers, Cladding, Refractive index, Carbon dioxide lasers, Glasses, Waveguides, Near field, Signal attenuation, Photonic crystal fibers, Sensors

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Proceedings Article | 16 May 2008 Paper

Compact in-fiber polarizer based on the hollow-core photonic bandgap fiber

Haifeng Xuan, W. Jin, J. Ju, Y. Wang, M. Zhang, Y. Liao, Y. Yang

Proceedings Volume 7004, 700408 (2008) https://doi.org/10.1117/12.785805

KEYWORDS: Polarizers, Polarization, Carbon dioxide lasers, Photon polarization, Optical fibers, Fiber polarizers, Photonic crystal fibers, Waveguides, Scanning electron microscopy, Refractive index

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Proceedings Article | 2 July 2007 Paper

Low-contrast photonic bandgap fibers and their potential applications in liquid-base sensors

Haifeng Xuan, Wei Jin, Jian Ju, Hoi Lut Ho, Min Zhang, Yanbiao Liao

Proceedings Volume 6619, 661936 (2007) https://doi.org/10.1117/12.738642

KEYWORDS: Optical fibers, Refractive index, Liquids, Sensors, Silica, Scanning electron microscopy, Waveguides, Cladding, Photonic crystal fibers, Solids

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Proceedings Article | 6 November 2006 Paper

Sensing with holey optical fibers

Wei Jin, Yi-Ping Wang, Jian Ju

Proceedings Volume 6357, 63573I (2006) https://doi.org/10.1117/12.717233

KEYWORDS: Optical fibers, Gas lasers, Sensors, Carbon monoxide, Temperature metrology, Gas sensors, Optical sensing, Fiber optics sensors, Cladding, Absorption

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Proceedings Article | 23 May 2005 Paper

Two-mode photonic crystal fibers

Wei Jin, Zhi Wang, Jian Ju

Proceedings Volume 5855, (2005) https://doi.org/10.1117/12.623394

KEYWORDS: Optical fibers, Photonic crystal fibers, Polarization, Silica, Fiber optics sensors, Solids, Capillaries, Sensors, Electrical engineering, Electronics engineering

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Proceedings Article | 23 May 2005 Paper

Properties of PCF-based long period gratings

Zhi Wang, Jian Ju, Wei Jin, K. Chiang

Proceedings Volume 5855, (2005) https://doi.org/10.1117/12.623401

KEYWORDS: Cladding, Optical fibers, Silica, Dispersion, Photonic crystal fibers, Sensors, Finite element methods, Refractive index, Waveguides, Phase matching

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Showing 5 of 15 publications

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