Prof. Ronghui Qu Profile

Prof. Ronghui Qu

at Shanghai Institute of Optics and Fine Mechanics

SPIE Involvement:

Author

Publications (35)

Proceedings Article | 9 November 2018 Paper

An improved method based on a new wavelet transform for overlapped peak detection on Raman spectra

Minghui Liu, Zuoren Dong, Guofeng Xin, Yanguang Sun, Ronghui Qu

Proceedings Volume 10826, 108260R (2018) https://doi.org/10.1117/12.2500272

KEYWORDS: Wavelets, Raman spectroscopy, Continuous wavelet transforms, Wavelet transforms, Spectroscopy, Deconvolution, Detection and tracking algorithms, Resolution enhancement technologies, Semiconductor lasers, Lithium

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Proceedings Article | 5 November 2018 Paper

Low noise single frequency DFB fiber laser

Kang Ying, Haiwen Cai, Fang Wei, Fei Yang, Dijun Chen, Ronghui Qu

Proceedings Volume 10811, 1081108 (2018) https://doi.org/10.1117/12.2503251

KEYWORDS: Fiber lasers, Negative feedback, Fiber Bragg gratings, Laser resonators, Carbon, Photothermal effect, Laser sources, Laser development, Turbulence

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Proceedings Article | 23 April 2017 Paper

Novel railway-subgrade vibration monitoring technology using phase-sensitive OTDR

Zhaoyong Wang, Bin Lu, Hanrong Zheng, Qing Ye, Zhengqing Pan, Haiwen Cai, Ronghui Qu, Zujie Fang, Howell Zhao

Proceedings Volume 10323, 103237G (2017) https://doi.org/10.1117/12.2265169

KEYWORDS: Safety, Fiber optics sensors, Reflectometry, Signal processing, Signal detection, Interference (communication), Optical amplifiers, Bragg cells, Knowledge management, Signal to noise ratio

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Proceedings Article | 23 April 2017 Paper

Pulse compression phase sensitive optical time domain reflectometer with sub-meter resolution

Bin Lu, Zhaoyong Wang, Hanrong Zheng, Qing Ye, Ronghui Qu, Howell Zhao, Haiwen Cai

Proceedings Volume 10323, 103230O (2017) https://doi.org/10.1117/12.2264980

KEYWORDS: Spatial resolution, Reflectometry, Signal to noise ratio, Frequency modulation, Signal detection, Ferroelectric materials, Data acquisition, Modulation, Bragg cells, Digital signal processing

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Proceedings Article | 28 September 2015 Paper

Narrow-linewidth laser source with precision frequency tunability for distributed optical sensing applications

Fang Wei, Bin Lu, Yulong Cao, Zhengqing Pan, Dijun Chen, Qing Ye, Haiwen Cai, Ronghui Qu, Hao Zhao

Proceedings Volume 9634, 96346V (2015) https://doi.org/10.1117/12.2194489

KEYWORDS: Laser sources, Modulation, Optical sensing, Signal detection, Semiconductor lasers, Optical amplifiers, Tunable lasers, Spatial resolution, Phase shift keying, Laser scattering

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Proceedings Article | 3 December 2014 Paper

High side-mode suppression ratio laser output by single sideband injection locking of semiconductor lasers

Jian Wang, Dijun Chen, Haiwen Cai, Ronghui Qu, Wei Fang, Zujie Fang

Proceedings Volume 9267, 92670A (2014) https://doi.org/10.1117/12.2074234

KEYWORDS: Semiconductor lasers, Fiber lasers, Laser optics, Modulators, Laser applications, Microwave radiation, Signal to noise ratio, Modulation, Integrated optics, Signal generators

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Proceedings Article | 2 June 2014 Paper

Mitigation of polarization fading in BOTDR sensors by using optical pulses with orthogonal polarizations

Yulong Cao, Qing Ye, Zhengqing Pan, Haiwen Cai, Ronghui Qu, Zujie Fang, Hao Zhao

Proceedings Volume 9157, 915764 (2014) https://doi.org/10.1117/12.2059283

KEYWORDS: Polarization, Optical fibers, Sensors, Signal to noise ratio, Picosecond phenomena, Signal detection, Scattering, Mach-Zehnder interferometers, Beam splitters, Birefringence

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Proceedings Article | 2 June 2014 Paper

High sampling rate multi-pulse phase-sensitive OTDR employing frequency division multiplexing

Zhengqing Pan, Zhaoyong Wang, Qing Ye, Haiwen Cai, Ronghui Qu, Zujie Fang

Proceedings Volume 9157, 91576X (2014) https://doi.org/10.1117/12.2059729

KEYWORDS: Signal detection, Frequency division multiplexing, Light scattering, Sensing systems, Fused deposition modeling, Sensors, Multiplexing, Rayleigh scattering, Scattering, Acoustics

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Proceedings Article | 7 November 2012 Paper

Improvement of pulse shape on Brillouin optical time domain reflectometry

Yunqi Hao, Qing Ye, Zhengqing Pan, Haiwen Cai, Ronghui Qu

Proceedings Volume 8421, 84219E (2012) https://doi.org/10.1117/12.966336

KEYWORDS: Signal to noise ratio, Sensing systems, Scattering, Rectangular pulse, Reflectometry, Modulation, Spatial resolution, Bragg cells, Signal processing, Interference (communication)

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Proceedings Article | 17 October 2012 Paper

Interference-fading-free phase-demodulated OTDR system

Zhengqing Pan, Kezhen Liang, Jun Zhou, Qing Ye, Haiwen Cai, Ronghui Qu

Proceedings Volume 8421, 842129 (2012) https://doi.org/10.1117/12.975656

KEYWORDS: Amplifiers, Signal to noise ratio, Signal detection, Ferroelectric materials, Modulation, Demodulation, Rayleigh scattering, Distributed computing, Oscillators, Phase shifts

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Proceedings Article | 29 November 2011 Paper

Investigation of single-polarized phosphate glass fiber laser and its self-pulsing behavior

Fei Yang, Zhengqing Pan, Qing Ye, Haiwen Cai, Ronghui Qu

Proceedings Volume 8307, 83070K (2011) https://doi.org/10.1117/12.904324

KEYWORDS: Fiber lasers, Polarization, Glasses, Phase shifts, Modulation, Birefringence, Fiber Bragg gratings, Chaos, Reflectivity, Polarization maintaining fibers

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Proceedings Article | 29 November 2011 Paper

Phase-sensitive OTDR system based on digital coherent detection

Zhengqing Pan, Kezhen Liang, Qing Ye, Haiwen Cai, Ronghui Qu, Zujie Fang

Proceedings Volume 8311, 83110S (2011) https://doi.org/10.1117/12.905657

KEYWORDS: Signal detection, Signal to noise ratio, Light scattering, Fiber lasers, Digital signal processing, Rayleigh scattering, Ferroelectric materials, Modulation, Laser scattering, Oscillators

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Proceedings Article | 29 November 2011 Paper

Analysis of bandwidth-reduced local oscillator in Brillouin optical time domain reflectometry

Yun-Qi Hao, Qing Ye, Zheng-qing Pan, Hai-wen Cai, Rong-hui Qu

Proceedings Volume 8311, 831120 (2011) https://doi.org/10.1117/12.904179

KEYWORDS: Fiber lasers, Laser scattering, Scattering, Oscillators, Reflectometry, Signal to noise ratio, Signal attenuation, Light scattering, Optical communications, Sensors

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Proceedings Article | 17 November 2010 Paper

Improve beam quality of high-power laser diode array stacks by external-cavity technique

Haoyang Pi, Guofeng Xin, Ronghui Qu, Zujie Fang

Proceedings Volume 7843, 78431Y (2010) https://doi.org/10.1117/12.870609

KEYWORDS: Mirrors, Semiconductor lasers, High power lasers, Diodes, Collimation, Reflectivity, Laser damage threshold, Fiber lasers, Solids, Charge-coupled devices

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Proceedings Article | 11 November 2010 Paper

Two-coordinate dynamic photoelectric autocollimator based on single linear CCD

Zhenglan Bian, Min Gao, Zuoren Dong, Qing Ye, Ronghui Qu, Zujie Fang

Proceedings Volume 7855, 78550H (2010) https://doi.org/10.1117/12.870026

KEYWORDS: Charge-coupled devices, Autocollimators, Reticles, Image processing, Mirrors, Signal processing, CCD image sensors, Precision measurement, Sensors, Field programmable gate arrays

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Proceedings Article | 11 November 2010 Paper

An anti-noise subpixel algorithm based on phase-shifting of Fourier transform and its application in CCD photoelectric autocollimator

Min Gao, Zhenglan Bian, Zuoren Dong, Qing Ye, Zujie Fang, Ronghui Qu

Proceedings Volume 7855, 785511 (2010) https://doi.org/10.1117/12.870072

KEYWORDS: Charge-coupled devices, Phase shifts, Autocollimators, Fourier transforms, Detection and tracking algorithms, Signal to noise ratio, Reliability, Image restoration, CCD image sensors, Edge detection

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Proceedings Article | 16 May 2008 Paper

U-shaped plastic optical fiber dissolved oxygen sensor

Haiwen Cai, Fenghong Chu, Ronghui Qu, Zujie Fang

Proceedings Volume 7004, 70042B (2008) https://doi.org/10.1117/12.785955

KEYWORDS: Oxygen, Sensors, Luminescence, Sol-gels, Annealing, Phase only filters, Ruthenium, Polymer optical fibers, Head, Optical fibers

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Proceedings Article | 21 November 2007 Paper

A dissolved oxygen sensor based on ruthenium fluorescence and u-shaped plastic optical fiber

Fenghong Chu, Haiwen Cai, Ronghui Qu, Zujie Fang

Proceedings Volume 6781, 678108 (2007) https://doi.org/10.1117/12.743249

KEYWORDS: Luminescence, Oxygen, Sensors, Ruthenium, Polymer optical fibers, Phase only filters, Light emitting diodes, Head, Sol-gels, Modulation

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Proceedings Article | 19 November 2007 Paper

Millimeter-wave optical pulse generation using n:1 time multiplexer and temporal Talbot effect

Zhengqing Pan, Qing Ye, Haiwen Cai, Ronghui Qu, Zujie Fang

Proceedings Volume 6783, 678333 (2007) https://doi.org/10.1117/12.743479

KEYWORDS: Modulation, Multiplexers, Extremely high frequency, Picosecond phenomena, Microwave radiation, Radio over Fiber, Signal generators, Dispersion, Numerical simulations, Radio optics

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Proceedings Article | 3 October 2006 Paper

Generation of millimeter-wave in optical pulse carrier by using fiber grating

Ronghui Qu, Zujie Fang, Qing Ye, Feng Liu

Proceedings Volume 6351, 63511D (2006) https://doi.org/10.1117/12.688336

KEYWORDS: Fiber Bragg gratings, Extremely high frequency, Refractive index, Modulation, Reflectivity, Optical design, Gaussian pulse, Picosecond phenomena, Radio optics, Frequency modulation

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Proceedings Article | 28 January 2006 Paper

Analysis of dispersion compensation by using chirped fiber grating in analog modulated CATV lightwave

Qing Ye, Feng Liu, Ronghui Qu, Zujie Fang

Proceedings Volume 6025, 602511 (2006) https://doi.org/10.1117/12.667039

KEYWORDS: Modulation, Telecommunications, Analog electronics, Data communications, Distortion, Fiber optic communications, Scanning probe microscopy, Single mode fibers, Nonlinear optics, Picosecond phenomena

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Proceedings Article | 28 January 2006 Paper

A low loss planar waveguide by using organic-inorganic Sol-Gel

Fu-Fei Pang, Xui-You Han, Hai-Wen Cai, Rong-Hui Qu, Zu-Jie Fang

Proceedings Volume 6025, 60251O (2006) https://doi.org/10.1117/12.667073

KEYWORDS: Waveguides, Planar waveguides, Sol-gels, Refractive index, Light scattering, Directional couplers, Semiconducting wafers, Structured optical fibers, Silicon, Water

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Proceedings Article | 28 January 2006 Paper

Investigation of PLZT based high speed optical switch

Feng Liu, Qing Ye, RongHui Qu, ZuJie Fang

Proceedings Volume 6025, 60250L (2006) https://doi.org/10.1117/12.667011

KEYWORDS: Polarization, Switches, Switching, Optical switching, Ceramics, Birefringence, Electro optics, Modulators, Light sources, Signal attenuation

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Proceedings Article | 2 December 2005 Paper

Investigation of PLZT-based high-speed optical switch

Ronghui Qu, Zujie Fang, Feng Liu, Qing Ye, Weizai Zhang, Gang Chen

Proceedings Volume 6019, 60190I (2005) https://doi.org/10.1117/12.636588

KEYWORDS: Polarization, Switches, Sagnac interferometers, Birefringence, Optical switching, Electro optics, Wave plates, Structured optical fibers, Switching

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Proceedings Article | 1 December 2005 Paper

Integrated optical racetrack resonator fabricated by silver ion exchange in glass

Xiuyou Han, Fufei Pang, Haiwen Cai, Ronghui Qu, Zujie Fang

Proceedings Volume 6019, 60190B (2005) https://doi.org/10.1117/12.636453

KEYWORDS: Resonators, Waveguides, Glasses, Silver, Integrated optics, Ion exchange, Wave propagation, Phase shifts, Titanium, Reflection

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SPIE Journal Paper | 1 September 2005

Optimization of the multiwavelength erbium-doped fiber laser in a unidirectional cavity without an isolator

Guo-Yong Sun, Ronghui Qu, Jingxin Yang, Xiangzhao Wang

OE, Vol. 44, Issue 09, 094204, (September 2005) https://doi.org/10.1117/12.10.1117/1.2047548

KEYWORDS: Modulation, Fiber lasers, Modulators, Optical isolators, Phase shift keying, Ferroelectric materials, Optical filters, Signal attenuation, Optical engineering

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Proceedings Article | 10 January 2005 Paper

A unidirectional multiwavelength erbium-doped fiber ring laser without isolator at room temperature

Guoyong Sun, Ronghui Qu, Jing Yang, Xiangzhao Wang, Zujie Fang

Proceedings Volume 5623, (2005) https://doi.org/10.1117/12.582107

KEYWORDS: Fiber lasers, Modulation, Optical isolators, Phase shift keying, Modulators, Ferroelectric materials, Linear filtering, Acousto-optics, Optical filters, Transducers

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SPIE Journal Paper | 1 October 2004

Fiber Bragg grating temperature sensor for multiplexed measurement with high resolution

Yage Zhan, Haiwen Cai, Ronghui Qu, Shiqing Xiang, Zujie Fang, Xiangzhao Wang

OE, Vol. 43, Issue 10, (October 2004) https://doi.org/10.1117/12.10.1117/1.1786938

KEYWORDS: Fiber Bragg gratings, Sensors, Temperature sensors, Aluminum, Temperature metrology, Multiplexing, Linear filtering, Optical filters, Optical fibers, Optical resolution

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Proceedings Article | 30 April 2004 Paper

Fiber Bragg grating temperature sensor with enhanced sensitivity

Yage Zhan, Haiwen Cai, Gao Kan, Ronghui Qu, Shiqing Xiang, Zujie Fang

Proceedings Volume 5279, (2004) https://doi.org/10.1117/12.521665

KEYWORDS: Fiber Bragg gratings, Temperature metrology, Aluminum, Signal attenuation, Sensors, Temperature sensors, Thermal sensing, Demodulation, Optical fibers, Light sources

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Proceedings Article | 30 April 2004 Paper

Tunable fiber gratings and their application in sensor systems

Ronghui Qu, Lin Li, Ling Zhao, Kan Gao, Yingwu Zhou, Haiwen Cai, Zujie Fang

Proceedings Volume 5279, (2004) https://doi.org/10.1117/12.529579

KEYWORDS: Fiber Bragg gratings, Sensors, Demodulation, Oscilloscopes, Cladding, Temperature metrology, Packaging, Mechanics, Analytical research, Telecommunications

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Proceedings Article | 30 April 2004 Paper

Synthesis of optical filter composed of cascaded sagnac circuits

Guo-Yong Sun, Ronghui Qu, Zujie Fang

Proceedings Volume 5279, (2004) https://doi.org/10.1117/12.521775

KEYWORDS: Optical filters, Apodization, Wavelength division multiplexing, Multiplexing, Networks, Bandpass filters, Mechanics, Optical circuits, Intelligence systems, Erbium

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Proceedings Article | 28 August 2002 Paper

Investigation of insertion loss characteristics of sampled fiber Bragg gratings

Rui Huang, Ronghui Qu, Aiping Luo, Kan Gao, Zujie Fang

Proceedings Volume 4904, (2002) https://doi.org/10.1117/12.481214

KEYWORDS: Fiber Bragg gratings, Dense wavelength division multiplexing, Modulation, Refractive index, Cladding, Mechanics, Dispersion, Rectangular pulse, Linear filtering, Signal attenuation

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Proceedings Article | 28 August 2002 Paper

Q-switched erbium-doped fiber laser based on MZI and ECL

Jiangzhen Xia, Ronghui Qu, Haiwen Cai, Gang Chen, Gaoting Chen, Zujie Fang

Proceedings Volume 4904, (2002) https://doi.org/10.1117/12.481220

KEYWORDS: Q switching, Fiber lasers, Q switched fiber lasers, Modulation, Q switched lasers, Ferroelectric materials, Modulators, Fiber Bragg gratings, Mechanics, Wavelength division multiplexing

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Proceedings Article | 17 October 2001 Paper

Interleave filter using Mach-Zehnder-based sampled fiber gratings

Haiwen Cai, Huang Rui, Ronghui Qu, Gaoting Chen, Zujie Fang

Proceedings Volume 4581, (2001) https://doi.org/10.1117/12.445057

KEYWORDS: Optical filters, Fluctuations and noise

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Proceedings Article | 9 October 2000 Paper

Measurement of group time delay of a chirped fiber grating

Lin Li, Haiwen Cai, Ronghui Qu, Zujie Fang

Proceedings Volume 4221, (2000) https://doi.org/10.1117/12.402605

KEYWORDS: Modulation, Time metrology, Spatial resolution, Phase shift keying, Spectral resolution, Semiconductor lasers, Reflectivity, Autoregressive models, Diodes, Optical filters

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Showing 5 of 35 publications

Conference Committee Involvement (4)

Passive Components and Fiber-based Devices V

27 October 2008 | Hangzhou, China

Passive Components and Fiber-Based Devices

2 November 2007 | Wuhan, China

Passive Components and Fiber-based Devices III

5 September 2006 | Gwangju, South Korea

Passive Components and Fiber-based Devices II

7 November 2005 | Shanghai, China

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