Prof. Wei Jin Profile

Prof. Wei Jin

Chair Professor at Hong Kong Polytechnic Univ

SPIE Involvement:

Author | Editor

Publications (120)

Proceedings Article | 23 April 2020 Presentation

Optical fiber gas sensors with ultra-sensitivity and dynamic range (Conference Presentation)

Wei Jin

Proceedings Volume 11405, 114050J (2020) https://doi.org/10.1117/12.2564490

KEYWORDS: Optical fibers, Gas sensors

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Proceedings Article | 24 October 2017 Paper

In-line photonic microcells based on the elliptical microfibers for refractive index sensors applications

Wa Jin, Xuejing Liu, Wei Jin

Proceedings Volume 10460, 104600I (2017) https://doi.org/10.1117/12.2283211

KEYWORDS: Photonic microstructures, Refractive index, Sensors

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Proceedings Article | 23 April 2017 Paper

All-fiber hydrogen sensor based on stimulated Raman gain spectroscopy with a 1550-nm hollow-core fiber

Fan Yang, Wei Jin

Proceedings Volume 10323, 103233C (2017) https://doi.org/10.1117/12.2264988

KEYWORDS: Raman spectroscopy, Sensors, Hydrogen, Spectroscopy, Raman scattering, Laser beam diagnostics, Single mode fibers, Interference (communication), Gases, Optical amplifiers

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Proceedings Article | 23 April 2017 Paper

High finesse hollow-core fiber resonating cavity for high sensitivity gas sensing application

Yanzhen Tan, Wei Jin, Fan Yang, Hoi Lut Ho

Proceedings Volume 10323, 103230A (2017) https://doi.org/10.1117/12.2265484

KEYWORDS: Fiber optics sensors, Fabry–Perot interferometers, Single mode fibers, Absorption, Mirrors, Gas sensors, Scanning electron microscopy, Signal detection, Resonators, Reflectivity

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Proceedings Article | 23 April 2017 Paper

Pulsed photothermal interferometry for high sensitivity gas detection with hollow-core photonic bandgap fibre

Yuechuan Lin, Wei Jin, Fan Yang, Hoi Lut Ho

Proceedings Volume 10323, 1032388 (2017) https://doi.org/10.1117/12.2265498

KEYWORDS: Phase modulation, Signal to noise ratio, Optical filters, Absorption, Ferroelectric materials, Modulation, Phase shift keying, Interferometry, Photodetectors, Gas sensors

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Proceedings Article | 12 May 2016 Paper

Temperature-insensitive pressure or strain sensing technology with fiber optic hybrid Sagnac interferometer

Yuanhong Yang, Lin Lu, Shuo Liu, Wei Jin, Zonghu Han, Yaohui Cao

Proceedings Volume 9852, 985216 (2016) https://doi.org/10.1117/12.2223630

KEYWORDS: Sagnac interferometers, Fiber optics sensors, Fiber optics, Temperature metrology, Polarization, Hybrid fiber optics, Polarization maintaining fibers, Photonic crystal fibers, Birefringence, Solids

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Proceedings Article | 28 September 2015 Paper

Photothermal effect in gas-filled hollow-core photonic bandgap fiber

Fan Yang, Wei Jin, Yingchun Cao, Hoi Lut Ho

Proceedings Volume 9634, 96340W (2015) https://doi.org/10.1117/12.2194819

KEYWORDS: Gas sensors, Absorption, Photothermal effect, Modulation, Fiber optics sensors, Phase modulation, Fiber optics, Interferometry, Phase shift keying, Laser beam diagnostics

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Proceedings Article | 28 September 2015 Paper

Fourier transform-based absolute phase interrogation algorithm for Sagnac interferometer-based PMF sensors

Yuxuan Chen, Yuanhong Yang, Shuo Liu, Mingwei Yang, Wei Jin

Proceedings Volume 9634, 96343A (2015) https://doi.org/10.1117/12.2194642

KEYWORDS: Sensors, Sagnac interferometers, Fourier transforms, Temperature metrology, Polarization, Temperature sensors, Optical filters, Polarization maintaining fibers, Birefringence, Light sources

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Proceedings Article | 28 September 2015 Paper

In-fiber modal interferometer for high sensitivity gas detection

Fan Yang, Wei Jin

Proceedings Volume 9634, 963410 (2015) https://doi.org/10.1117/12.2194864

KEYWORDS: Gas sensors, Cladding, Absorption, Sensors, Single mode fibers, Laser beam diagnostics, Phase modulation, Modulation, Interferometers, Laser beam propagation

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Proceedings Article | 28 September 2015 Paper

All-fiber photoacoustic gas sensor with graphene nano-mechanical resonator as the acoustic detector

Tan Yanzhen, Yang Fan, Ma Jun, Ho Hoi Lut, Jin Wei

Proceedings Volume 9634, 96341K (2015) https://doi.org/10.1117/12.2194447

KEYWORDS: Graphene, Gas sensors, Acoustics, Sensors, Resonators, Photoacoustic spectroscopy, Absorption, Modulation, Signal detection, Signal to noise ratio

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Proceedings Article | 1 July 2015 Paper

The characteristic of gap FBG and its application

Yuanhong Yang, Jun Hu, Xuejing Liu, Wei Jin

Proceedings Volume 9655, 96552U (2015) https://doi.org/10.1117/12.2183662

KEYWORDS: Fiber Bragg gratings, Fiber lasers, Temperature metrology, Tunable lasers, Ceramics, Sensors, Phase shifts, Ferroelectric materials, Ions, Laser cutting

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Proceedings Article | 1 July 2015 Paper

Sagnac interferometer based stable phase demodulation system for diaphragm based acoustic sensor

Jun Ma, Yongqin Yu, Wei Jin

Proceedings Volume 9655, 96550D (2015) https://doi.org/10.1117/12.2184271

KEYWORDS: Sensors, Acoustics, Demodulation, Sagnac interferometers, Head, Phase interferometry, Fiber optics sensors, Lead, Control systems

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Proceedings Article | 2 June 2014 Paper

Phase sensitivity of hollow-core photonic bandgap fiber to internal gas pressure

Yingchun Cao, Fan Yang, Hoi Lut Ho, Wei Jin

Proceedings Volume 9157, 91577M (2014) https://doi.org/10.1117/12.2059018

KEYWORDS: Refractive index, Single mode fibers, Photodetectors, Phase measurement, Cladding, Biological research, Fiber optics sensors, Sensors, Fusion splicing, Biosensing

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Proceedings Article | 2 June 2014 Paper

1×N optical fiber coupler based on a polyhedral gradient index lens

Yuanhong Yang, Wen Dai, Kuiyan Song, Wei Jin

Proceedings Volume 9157, 9157AF (2014) https://doi.org/10.1117/12.2058764

KEYWORDS: Optical fibers, GRIN lenses, Fiber couplers, Zemax, Ray tracing, Beam splitters, Refractive index, Optoelectronics, Photonic crystal fibers, Surface finishing

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Proceedings Article | 2 June 2014 Paper

Highly birefringent suspended core photonic microcells for sensing applications

Chao Wang, Wei Jin, Wa Jin, Jun Ma, Hoi Lut Ho

Proceedings Volume 9157, 915776 (2014) https://doi.org/10.1117/12.2059320

KEYWORDS: Birefringence, Photonic microstructures, Liquids, Sensors, Refractive index, Photonic crystals, Photodetectors, Interferometers, Temperature metrology, Solids

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Proceedings Article | 2 June 2014 Paper

Hollow-core photonic bandgap fiber gas sensor with high sensitivity and fast response

Fan Yang, Wei Jin, Yingchun Cao, Hoi Lut Ho

Proceedings Volume 9157, 91577R (2014) https://doi.org/10.1117/12.2059157

KEYWORDS: Modulation, Gas sensors, Fusion splicing, Fiber optics sensors, Single mode fibers, Signal to noise ratio, Fourier transforms, Digital signal processing, Spectroscopy, Spatial frequencies

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Proceedings Article | 2 June 2014 Paper

Ferrule-top nano-mechanical resonator with multilayer graphene film

Jun Ma, Wei Jin, Hoi Lut Ho, Chao Wang

Proceedings Volume 9157, 915703 (2014) https://doi.org/10.1117/12.2059011

KEYWORDS: Graphene, Resonators, Optical fibers, Polymethylmethacrylate, Multilayers, Absorption, Single mode fibers, Reflection, Ceramics, Fiber optics sensors

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Proceedings Article | 20 December 2013 Paper

Polarization converters based on elliptical micro/nano optical fibers

Hai-Feng Xuan, Wa Jin, Jun Ma, Wei Jin

Proceedings Volume 9044, 904403 (2013) https://doi.org/10.1117/12.2037474

KEYWORDS: Polarization, Optical fibers, Beam propagation method, Waveguides, Dispersion, Finite element methods, Wave propagation, Fiber optics sensors, Computer simulations, Optical simulations

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Proceedings Article | 15 October 2013 Paper

Photonic microcells for novel devices and sensor applications

Chao Wang, Wei Jin, Jun Ma, Wa Jin, Hoi Lut Ho

Proceedings Volume 8924, 892427 (2013) https://doi.org/10.1117/12.2036195

KEYWORDS: Photonic microstructures, Single mode fibers, Femtosecond phenomena, Photonic crystal fibers, Sensors, Fiber optics, Photonic devices, Optical amplifiers, Silica, Fiber amplifiers

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Proceedings Article | 15 October 2013 Paper

Analysis of highly birefringent microfibers devices with FV-FDBPM

Hai-Feng Xuan, Wa Jin, Jun Ma, Wei Jin

Proceedings Volume 8924, 892411 (2013) https://doi.org/10.1117/12.2036197

KEYWORDS: Polarization, Beam propagation method, Waveguides, Dispersion, Wave propagation, Optical fibers, Fiber optics sensors, Computer simulations, Optical simulations, Cladding

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Proceedings Article | 15 October 2013 Paper

Long period fiber gratings written in photonic crystal fibers by CO2 laser

Yiping Wang, Wei Jin, Dongning Wang, Changrui Liao, Xiaoyong Zhong, Zhengyong Li, Jiangtao Zhou, Yingjie Liu

Proceedings Volume 8924, 89243C (2013) https://doi.org/10.1117/12.2032313

KEYWORDS: Carbon dioxide lasers, Photonic crystal fibers, Polarizers, Fiber lasers, Refractive index, Polarization, Glasses, Sensors, Optical properties, Gas lasers

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Proceedings Article | 15 October 2013 Paper

High sensitivity pressure sensor based on a birefringent microfiber loop mirror

Wa Jin, Hai-Feng Xuan, Chao Wang, Wei Jin

Proceedings Volume 8924, 89242Z (2013) https://doi.org/10.1117/12.2036196

KEYWORDS: Mirrors, Sensors, Single mode fibers, Birefringence, Refractive index, Glasses, Femtosecond phenomena, Image processing, Temperature metrology, Fiber optics sensors

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Proceedings Article | 20 May 2013 Paper

Birefringent microfiber-based fiber loop mirrors for tunable filters and refractive index sensors

Wa Jin, Haifeng Xuan, Wei Jin

Proceedings Volume 8794, 87943W (2013) https://doi.org/10.1117/12.2026655

KEYWORDS: Refractive index, Water, Linear filtering, Sensors, Mirrors, Integrated optics, Single mode fibers, Tunable filters, Birefringence, Fiber lasers

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Proceedings Article | 20 May 2013 Paper

Investigation of acoustic sensitivity of hollow-core photonic bandgap fibers

Fan Yang, Wei Jin, Hoi Ho, Fuyin Wang, Wen Liu, Lina Ma, Yongming Hu

Proceedings Volume 8794, 87940V (2013) https://doi.org/10.1117/12.2026593

KEYWORDS: Acoustics, Optical fibers, Cladding, Silica, Single mode fibers, Coating, Polymers, Etching, Photodetectors, Sensors

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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 | 7 November 2012 Paper

Birefringence responses of hybrid photonic crystal fiber to strain and temperature

M. Pang, L. Xiao, W. Jin, A. C. S.

Proceedings Volume 8421, 84217G (2012) https://doi.org/10.1117/12.975368

KEYWORDS: Birefringence, Temperature metrology, Photonic crystal fibers, Sagnac interferometers, Silica, Manufacturing, Fiber optics sensors, Photonic crystals, Scanning electron microscopy, Photography

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Proceedings Article | 7 November 2012 Paper

In-fiber microsphere air-cavity Fabry-Perot interferometer for strain/temperature measurement

Jun Ma, Wei Jin

Proceedings Volume 8421, 84217W (2012) https://doi.org/10.1117/12.974839

KEYWORDS: Single mode fibers, Sensors, Reflection, Femtosecond phenomena, Fabry–Perot interferometry, Fusion splicing, Temperature metrology, Infrared lasers, Microscopes, Fusion energy

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Proceedings Article | 7 November 2012 Paper

Numerical modeling and performance optimization of QEPAS spectrophone

Yingchun Cao, Wei Jin, Hoi Lut Ho

Proceedings Volume 8421, 842167 (2012) https://doi.org/10.1117/12.973700

KEYWORDS: Acoustics, Optimization (mathematics), Photoacoustic spectroscopy, Acoustic coupling, Numerical modeling, Finite element methods, Quartz, Atmospheric sensing, Signal detection, Fiber optics sensors

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Proceedings Article | 7 November 2012 Paper

Investigation on threshold of stimulated Raman scattering in optical fibers

Yuanhong Yang, Ting Jiang, Wei Jin, Mingwei Yang

Proceedings Volume 8421, 84219S (2012) https://doi.org/10.1117/12.974809

KEYWORDS: Light scattering, Raman scattering, Raman spectroscopy, Scattering, Laser damage threshold, Optical fibers, Fiber lasers, Pulsed laser operation, Single mode fibers, Laser scattering

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Proceedings Article | 17 October 2012 Paper

Embedded pressure sensor based on birefringent photonic crystal fiber

Yuanhong Yang, Xing Zhang, Wei Jin, Weiqian Duan, Mingwei Yang

Proceedings Volume 8421, 842132 (2012) https://doi.org/10.1117/12.974805

KEYWORDS: Birefringence, Sensors, Polymers, Photonic crystal fibers, Polarization, Sagnac interferometers, Computer simulations, Fiber optics sensors, Polymeric sensors, Fiber Bragg gratings

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Proceedings Article | 17 October 2012 Paper

Gap FBG and its application in tunable narrow linewidth fiber laser

Yuanhong Yang, Xiaozhe Zhang, Jin-jin Guo, Wei Jin, Mingwei Yang

Proceedings Volume 8421, 84214J (2012) https://doi.org/10.1117/12.974813

KEYWORDS: Fiber Bragg gratings, Fiber lasers, Tunable lasers, Phase shifts, Optical filters, Tunable filters, Fizeau interferometers, Wavelength tuning, Refractive index, Laser cutting

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Proceedings Article | 17 October 2012 Paper

Long period grating made by rocking a single mode fiber

Wa Jin, Haifeng Xuan, Wei Jin

Proceedings Volume 8421, 84214X (2012) https://doi.org/10.1117/12.975115

KEYWORDS: Single mode fibers, Carbon dioxide lasers, Fiber optics sensors, Signal attenuation, Photonic crystal fibers, Femtosecond phenomena, Infrared lasers, Sensors, Gas lasers, Electrical engineering

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Proceedings Article | 17 October 2012 Paper

A fiber-tip Fabry-Perot pressure sensor with graphene diaphragm

Jun Ma, Wei Jin, Hoi Lut Ho

Proceedings Volume 8421, 84211C (2012) https://doi.org/10.1117/12.975124

KEYWORDS: Graphene, Sensors, Fiber optics sensors, Reflection, Reflectivity, Fabry–Perot interferometers, Nickel, Interfaces, Microscopes, Capillaries

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Proceedings Article | 17 October 2012 Paper

Polarization maintaining photonic crystal fiber IFOG

Yuanhong Yang, Miao Ye, Weiqian Duan, Wei Jin, Chengxiang Liu, Shuangchen Ruan

Proceedings Volume 8421, 84210D (2012) https://doi.org/10.1117/12.975735

KEYWORDS: Phase modulation, Polarization, Prototyping, Photonic crystal fibers, Fiber optic gyroscopes, Temperature metrology, Birefringence, Fusion splicing, Photonic integrated circuits, Polarization maintaining fibers

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Proceedings Article | 9 May 2012 Paper

NIR diode laser-based QEPAS for acetylene detection

Yingchun Cao, Wei Jin, Hoi Lut Ho

Proceedings Volume 8439, 843928 (2012) https://doi.org/10.1117/12.922625

KEYWORDS: Modulation, Signal detection, Absorption, Semiconductor lasers, Near infrared, Photoacoustic spectroscopy, Diodes, Atmospheric sensing, Acoustics, Phase shift keying

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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

Temperature characteristics of microfiber long-period-gratings fabricated by a femtosecond infrared laser

Jun Ma, Wei Jin, Long Jin

Proceedings Volume 7753, 77539J (2011) https://doi.org/10.1117/12.886039

KEYWORDS: Femtosecond phenomena, Temperature metrology, Cladding, Infrared lasers, Silica, Single mode fibers, Refractive index, Thermal effects, Optical fibers, Photonic crystal fibers

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Proceedings Article | 18 May 2011 Paper

Response of hydrogel coated cascaded long period gratings to relative humidity

Xiujuan Yu, Min Zhang, Shengchun Liu, Yanbiao Liao, Wei Jin

Proceedings Volume 7753, 775390 (2011) https://doi.org/10.1117/12.883614

KEYWORDS: Humidity, Visibility, Coating, Cladding, Signal attenuation, Sensors, Temperature metrology, Water, Interferometers, Refractive index

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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 | 17 May 2011 Paper

A hollow-core photonic bandgap fiber polarization controller

M. Pang, W. Jin, Yuanhong Yang

Proceedings Volume 7753, 77533Y (2011) https://doi.org/10.1117/12.885097

KEYWORDS: Polarization, Birefringence, Silica, Photon polarization, Fiber optics sensors, Polymers, Cladding, Optical spheres, Fiber optics, Protactinium

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Proceedings Article | 17 May 2011 Paper

A novel fiber-tip micro-cavity sensor for high temperature application

Jun Ma, Wei Jin, Long Jin

Proceedings Volume 7753, 775312 (2011) https://doi.org/10.1117/12.886033

KEYWORDS: Sensors, Fiber optics sensors, Silica, Capillaries, Single mode fibers, Reflection, Temperature metrology, Refractive index, Environmental sensing, Microscopes

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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 November 2010 Paper

Responses of microstructure optical fibers to strain and pressure

W. Jin, M. Pang

Proceedings Volume 7853, 78530J (2010) https://doi.org/10.1117/12.871205

KEYWORDS: Micro optical fluidics, Optical fibers, Silica, Cladding, Acoustics, Polarization, Birefringence, Refractive index, Photonic crystal fibers, Solids

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Proceedings Article | 9 November 2010 Paper

Performance analysis of an optical passive ring-resonator gyro with a hollow-core photonic bandgap fiber sensing coil

X. L. Zhang, W. Jin, D. Q. Ying

Proceedings Volume 7853, 785324 (2010) https://doi.org/10.1117/12.869627

KEYWORDS: Single mode fibers, Backscatter, Gyroscopes, Resonators, Fiber optic gyroscopes, Silica, Signal detection, Signal attenuation, Kerr effect

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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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