Prof. Tao Zhu Profile

Prof. Tao Zhu

at Chongqing Univ

SPIE Involvement:

Conference Program Committee | Author

Publications (55)

Proceedings Article | 21 March 2023 Paper

Linewidth depth narrowing and control of linear cavity fiber laser based on distributed external feedback

Laiyang Dang, Jiali Li, Da Wei, Ligang Huang, Tao Zhu

Proceedings Volume 12595, 1259506 (2023) https://doi.org/10.1117/12.2666719

KEYWORDS: Fiber lasers, Laser frequency, Feedback control, Fiber Bragg gratings, Feedback signals, Control systems, Signal intensity

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Proceedings Article | 21 March 2023 Paper

Dynamical time-frequency analysis of wavelength-swept laser based on chirp-frequency signal decomposition

Chaoze Zhang, Laiyang Dang, Ligang Huang, Tao Zhu

Proceedings Volume 12595, 1259505 (2023) https://doi.org/10.1117/12.2666581

KEYWORDS: Fourier transforms, Time-frequency analysis, Laser frequency, Laser applications, Fractional fourier transform, Precision optics, Precision measurement, Laser energy

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Proceedings Article | 21 March 2023 Paper

Narrowband fast tunable acousto-optic filter based on dispersion-compensating fiber

Shunli Liu, Ligang Huang, Tao Zhu

Proceedings Volume 12595, 125951S (2023) https://doi.org/10.1117/12.2668813

KEYWORDS: Acoustooptic tunable filters, Signal filtering, Tunable filters, Optical filters, Acousto-optics, Bandpass filters

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Proceedings Article | 15 December 2022 Paper

Spectral efficient Rayleigh interference pattern demodulation technique based on two-dimensional image cross-correlation algorithms for COTDR sensors

Zixuan Zhong, Jianglin Shi, Zhe Fu, Guotao Tang, Haoting Wu, Guolu Yin, Tao Liu, Nan Guo, Tao Zhu

Proceedings Volume 12478, 1247842 (2022) https://doi.org/10.1117/12.2654907

KEYWORDS: Demodulation, Optical filters, Electronic filtering, Spatial resolution, Sensors, Image sensors, Temperature metrology, Signal detection, Image processing, Sensing systems

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Proceedings Article | 15 December 2022 Paper

Optical fiber ultrasonic nondestructive testing based on frequency modulated continuous wave

Jie Yang, Guolu Yin, Tao Zhu

Proceedings Volume 12478, 1247835 (2022) https://doi.org/10.1117/12.2654809

KEYWORDS: Ultrasonics, Acoustics, Nondestructive evaluation, Fiber optics sensors, Ultrasonography, Optical fibers, Fiber optics

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Proceedings Article | 9 August 2022 Paper

Distributed pH sensing based on optical frequency domain reflectometry

Hu Xiao, Huafeng Lu, Zeheng Zhang, Guolu Yin, Tao Zhu

Proceedings Volume 12279, 1227907 (2022) https://doi.org/10.1117/12.2616491

KEYWORDS: Sensors, Single mode fibers, Reflectometry, Interferometers, Coating, Spatial resolution, Optical testing, Fiber optics sensors, Optical sensing, Optical fibers

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Proceedings Article | 13 December 2021 Paper

A novel ultrafast interrogation method of FBG sensors

Jindong Wang, Tao Zhu

Proceedings Volume 12075, 120750B (2021) https://doi.org/10.1117/12.2604753

KEYWORDS: Fiber Bragg gratings, Sensors, Ultrafast phenomena, Vibrometry, Ultrafast measurement systems, Signal to noise ratio, Detection and tracking algorithms, Optical amplifiers, Analog electronics, Wavelength division multiplexing

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Proceedings Article | 1 November 2021 Paper

A simplified OFDR system with an integrated in-fiber auxiliary interferometer

Rui Jiang, Guolu Yin, Tao Zhu

Proceedings Volume 12057, 1205735 (2021) https://doi.org/10.1117/12.2606316

KEYWORDS: Interferometers, Sensing systems, Rayleigh scattering, Optical fibers, System integration, Spatial resolution, Signal detection, Reflectometry, Tunable lasers, Temperature sensors

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Proceedings Article | 9 October 2021 Presentation + Paper

Ultra-narrow linewidth SOA fiber laser assisted by distributed self-injection feedbacks

Laiyang Dang, Tao Zhu

Proceedings Volume 11902, 119020I (2021) https://doi.org/10.1117/12.2601405

KEYWORDS: Fiber lasers, Laser scattering, Polarization, Spectrum analysis, Scattering, Rayleigh scattering, Laser resonators, Backscatter

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Proceedings Article | 11 November 2019 Paper

All-fiber dual-wavelength narrowband acousto-optic tunable bandpass filter based on vector mode coupling

HaoNan Han, Yujia Li, Ligang Huang, Lei Gao, Wei Huang, Min Liu, Tao Zhu

Proceedings Volume 11210, 112100J (2019) https://doi.org/10.1117/12.2539812

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Proceedings Article | 14 February 2019 Paper

Frequency response enhancement for long-range φ-OTDR system by additive random sampling and nonlinear frequency modulation

Haoting Wu, Jingdong Zhang, Xuefei Sun, Ming Deng, Guolu Yin, Tao Zhu

Proceedings Volume 11048, 110484Q (2019) https://doi.org/10.1117/12.2522938

KEYWORDS: Frequency modulation, Signal to noise ratio, Sensing systems, Pulsed laser operation, Optical filters, Signal detection, Data acquisition, Phase shift keying, Fiber optics sensors, Radar signal processing, Compressed sensing

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Proceedings Article | 14 February 2019 Paper

Polydimethylsiloxane optical microring resonator by nano-imprint lithography on MgF2 substrate

Bingjie Chen, Ligang Huang, Leilei Shi, Tao Zhu

Proceedings Volume 11048, 110484O (2019) https://doi.org/10.1117/12.2522923

KEYWORDS: Microrings, Resonators, Lithography, Silicon, Magnesium fluoride, Microresonators, Photomicroscopy, Nanolithography, Silica, Refractive index

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Proceedings Article | 14 February 2019 Paper

Orbital angular momentum generation in two mode fiber

Chuancan Liang, Guolu Yin, Tao Zhu

Proceedings Volume 11048, 110484J (2019) https://doi.org/10.1117/12.2522654

KEYWORDS: Waveguides, Interferometers, Femtosecond phenomena, Refractive index, Polarization, Modulation, Linear polarizers, Phase shifts, Laser applications, Gas lasers

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Proceedings Article | 23 April 2017 Paper

Magnetic field measurement by using a multilongitudinal mode fiber laser

Ming Deng, Danhui Liu, Yong Zhao, Tao Zhu

Proceedings Volume 10323, 103236N (2017) https://doi.org/10.1117/12.2263751

KEYWORDS: Laser resonators, Polarization, Polarizers, Magnetism, Fiber lasers, Polarimetry, Magnetic sensors, Modulation, Birefringence, Sensors

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Proceedings Article | 23 April 2017 Paper

Breaking through the bandwidth barrier in distributed fiber vibration sensing by sub-Nyquist randomized sampling

Jingdong Zhang, Tao Zhu, Hua Zheng, Yang Kuang, Min Liu, Wei Huang

Proceedings Volume 10323, 103238H (2017) https://doi.org/10.1117/12.2265657

KEYWORDS: Ferroelectric materials, Signal detection, Data acquisition, Sensing systems, Modulation, Backscatter, Reflectometry, Optical amplifiers, Fourier transforms, Statistical analysis

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Proceedings Article | 8 October 2015 Paper

Optical inclinometer based on a single long-period fiber grating combined with a large lateral offset

Ming Deng, Feng-yang Yin, Lei-lei Shi, Tao Zhu

Proceedings Volume 9679, 96790V (2015) https://doi.org/10.1117/12.2199788

KEYWORDS: Sensors, Cladding, Single mode fibers, Fiber optics sensors, Optical fibers, Fiber optics, Refractive index, Fiber Bragg gratings, Interferometers, Carbon dioxide lasers

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Proceedings Article | 1 July 2015 Paper

Thermo-optically tunable switching in an electro-microtube ring resonator

Jing Zeng, Tao Zhu, Ming Deng

Proceedings Volume 9655, 96551Y (2015) https://doi.org/10.1117/12.2184279

KEYWORDS: Switching, Resonators, Capillaries, Nonlinear optics, Thermal effects, Optical switching, Thermal optics, Optical filters, Optical sensing, Optical networks

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Proceedings Article | 1 July 2015 Paper

Perpendicular coupling glass capillary based interferometric real-time microfluidic sensor

Leilei Shi, Tao Zhu, Ming Deng, Zhiming Yang

Proceedings Volume 9655, 965514 (2015) https://doi.org/10.1117/12.2184267

KEYWORDS: Capillaries, Interferometry, Collimators, Sensors, Microfluidics, Interferometers, Lead, Single mode fibers, Head, Refractive index

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Proceedings Article | 1 July 2015 Paper

In-fiber whispering gallery mode resonator fabricated by femtosecond laser micromaching

Leilei Shi, Tao Zhu, Dongmei Huang, Min Liu, Ming Deng, Wei Huang

Proceedings Volume 9655, 965546 (2015) https://doi.org/10.1117/12.2203104

KEYWORDS: Resonators, Femtosecond phenomena, Ultrasonics, Cladding, Surface roughness, Photomicroscopy, Infrared radiation, Objectives, Polarization, Prisms

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Proceedings Article | 2 June 2014 Paper

Effect of laser linewidth on phase-OTDR based distributed vibration sensing regime

Leilei Shi, Tao Zhu, Qian He, Shihong Huang

Proceedings Volume 9157, 91576H (2014) https://doi.org/10.1117/12.2059448

KEYWORDS: Fiber lasers, Spatial resolution, Sensing systems, Light sources, Laser scattering, Signal to noise ratio, Modulation, Spatial light modulators, Reflectometry, Semiconductor lasers

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Proceedings Article | 2 June 2014 Paper

Real distributed vibration sensing with high frequency response based on pulse pair

Qian He, Tao Zhu, Xianghui Xiao, Dongmei Diao, Wei Huang, Xiaoyi Bao

Proceedings Volume 9157, 915761 (2014) https://doi.org/10.1117/12.2059252

KEYWORDS: Signal to noise ratio, Scattering, Sensing systems, Signal detection, Reflectometry, Sensors, Light scattering, Modulation, Signal processing, Spatial resolution

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Proceedings Article | 2 June 2014 Paper

A real-time inclinometer based on an etched fiber Bragg grating connected to hollow-core fiber

Qiang Zhang, Tao Zhu, Fengyang Yin, Kin Seng Chiang, Ming Deng

Proceedings Volume 9157, 91579U (2014) https://doi.org/10.1117/12.2059071

KEYWORDS: Fiber Bragg gratings, Sensors, Temperature metrology, Single mode fibers, Tin, Fiber optics, Reflectivity, Wave propagation, Data acquisition, Optoelectronics

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Proceedings Article | 15 October 2013 Paper

Distributed vibration sensing based on time-difference pulses

Qian He, Tao Zhu, Xianghui Xiao, Xiaoyi Bao

Proceedings Volume 8924, 89241M (2013) https://doi.org/10.1117/12.2034185

KEYWORDS: Backscatter, Spatial resolution, Signal detection, Sensors, Ferroelectric materials, Sensing systems, Modulation, Optical fibers, Vibrometry, Interferometers

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Proceedings Article | 15 October 2013 Paper

Micro-fiber inclinometer based on deformation of FBG

Qiang Zhang, Tao Zhu, Kin Seng Chiang

Proceedings Volume 8924, 89242U (2013) https://doi.org/10.1117/12.2034187

KEYWORDS: Fiber Bragg gratings, Reflectivity, Sensors, Tin, Single mode fibers, Wet etching, Refractive index, Cladding, Fiber optics sensors, Fiber optics

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Proceedings Article | 7 November 2012 Paper

In-line single-mode fiber interferometers based on peanut-shape fiber structure

Di Wu, Tao Zhu, De-Wen Duan, Kin Seng Chiang, Ming Deng

Proceedings Volume 8421, 84217N (2012) https://doi.org/10.1117/12.966811

KEYWORDS: Michelson interferometers, Structured optical fibers, Interferometers, Cladding, Single mode fibers, Sensors, Microlens, Fusion energy, Fiber optics sensors, Mach-Zehnder interferometers

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Proceedings Article | 7 November 2012 Paper

Pressure-assisted low-loss fusion splicing between photonic crystal fibers and single-mode fiber

Fufeng Xiao, Tao Zhu, Laicai Xu, Ming Deng

Proceedings Volume 8421, 84216Z (2012) https://doi.org/10.1117/12.970386

KEYWORDS: Single mode fibers, Fusion splicing, Photonic crystal fibers, Waveguides, Beam propagation method, Photomicroscopy, Fiber optics sensors, Interfaces, Optical simulations, Process control

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Proceedings Article | 17 October 2012 Paper

Remote sensing based on reflective bandpass long-period fiber grating and fiber ring laser

Leilei Shi, Tao Zhu, Qiang Zhang, Kin-Seng Chiang

Proceedings Volume 8421, 842149 (2012) https://doi.org/10.1117/12.970381

KEYWORDS: Fiber lasers, Remote sensing, Sensors, Cladding, Reflectivity, Sensing systems, Single mode fibers, Carbon dioxide lasers, Fusion splicing, Demodulation

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Proceedings Article | 17 October 2012 Paper

All-fiber acceleration sensor with temperature self-compensation

Tao Zhu, Qiang Zhang, Leilei Shi, Yusong Hou, Xiaoyi Bao

Proceedings Volume 8421, 84210X (2012) https://doi.org/10.1117/12.970387

KEYWORDS: Sensors, Single mode fibers, Temperature metrology, Quartz, Microelectromechanical systems, Interferometers, Reflectors, Fiber optics sensors, Reflectivity, Mirrors

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Proceedings Article | 19 May 2011 Paper

Highly sensitive refractive index sensor based on two cascaded long period gratings with rotary refractive index modulation

Tao Zhu, YanEn Fan, Ming Deng, Yunjiang Rao

Proceedings Volume 7753, 77539M (2011) https://doi.org/10.1117/12.884844

KEYWORDS: Refractive index, Cladding, Sensors, Signal attenuation, Modulation, Interferometers, Mach-Zehnder interferometers, Carbon dioxide lasers, Biosensing, Biological and chemical sensing

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Proceedings Article | 17 May 2011 Paper

Curvature measurement with photonic crystal fiber based Mach-Zehnder interferometer

Ming Deng, Chang-Ping Tang, Tao Zhu, Yun-Jiang Rao

Proceedings Volume 7753, 77530S (2011) https://doi.org/10.1117/12.884852

KEYWORDS: Sensors, Cladding, Single mode fibers, Photonic crystal fibers, Mach-Zehnder interferometers, Fusion splicing, Optical fibers, Fringe analysis, Fiber optics sensors, Interferometers

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Proceedings Article | 17 May 2011 Paper

PCF-based Fabry-Perot interferometric sensor for strain measurement under high-temperature

Ming Deng, Chang-Ping Tang, Tao Zhu, Yun-Jiang Rao

Proceedings Volume 7753, 77530T (2011) https://doi.org/10.1117/12.884847

KEYWORDS: Sensors, Single mode fibers, Temperature metrology, Photonic crystal fibers, Fusion splicing, Fiber optics sensors, Fiber optics, Fiber Bragg gratings, Fabry–Perot interferometers, Environmental sensing

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Proceedings Article | 17 May 2011 Paper

In-line all-fiber Fabry-Perot and Mach-Zehnder interferometers formed by hollow fiber with lateral offset

Yun Jiang Rao, De Wen Duan, Lai Cai Xu, Ming Deng, Tao Zhu

Proceedings Volume 7753, 77530N (2011) https://doi.org/10.1117/12.884846

KEYWORDS: Single mode fibers, Sensors, Interferometers, Mach-Zehnder interferometers, Refractive index, Cladding, Fusion splicing, Mirrors, Fiber to the x, Fiber optics

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Proceedings Article | 5 October 2009 Paper

In-line Fabry-Perot sensors based on hollow-core photonic bandgap fibers for high temperature applications

Yun-Jiang Rao, Ming Deng, Tao Zhu, Hong Li

Proceedings Volume 7503, 750321 (2009) https://doi.org/10.1117/12.835274

KEYWORDS: Fabry–Perot interferometers, Sensors, Optical fibers, Single mode fibers, Temperature metrology, Reflectivity, Multiplexing, Environmental sensing, Fiber optics sensors, Visibility

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Proceedings Article | 5 October 2009 Paper

Long-period fiber gratings in twisted single-mode fibers written by high-frequency CO[sub]2[/sub] laser pulses

Tao Zhu, Yun-Jiang Rao Rao, King Seng Chiang, Cuihua Shi, Min Liu

Proceedings Volume 7503, 75037N (2009) https://doi.org/10.1117/12.835267

KEYWORDS: Carbon dioxide lasers, Single mode fibers, Polarization, Cladding, Modulation, Temperature metrology, Optical fibers, Sensors, Fiber lasers, Telecommunications

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Proceedings Article | 5 October 2009 Paper

Fiber-optic Fabry-Perot refractive-index tip sensor based on endlessly photonic crystal fiber

Ming Deng, Yunjiang Rao, Tao Zhu, Hong Li

Proceedings Volume 7503, 75035Q (2009) https://doi.org/10.1117/12.835273

KEYWORDS: Sensors, Fiber optics sensors, Single mode fibers, Visibility, Fiber optics, Photonic crystal fibers, Temperature metrology, Refractive index, Reflectivity, Fabry–Perot interferometers

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Proceedings Article | 5 October 2009 Paper

Health monitoring of engine blades by using an in-line fiber-optic F-P strain sensor based on hollow-core photonic crystal fiber

Yunjiang Rao, Yanen Fan, Hong Li, Tao Zhu

Proceedings Volume 7503, 75035R (2009) https://doi.org/10.1117/12.835269

KEYWORDS: Sensors, Fiber optics sensors, Photonic crystal fibers, Fiber optics, Fiber optics tests, Fiber optic communications, Optical fibers, Environmental sensing, Photography, Telecommunications

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Proceedings Article | 12 January 2009 Paper

SFDM/CWDM of hollow-core photonic crystal fiber based etalon strain sensors with long cavity lengths

Y. Rao, D. Duan, T. Zhu, Y. Fan

Proceedings Volume 7133, 71331R (2009) https://doi.org/10.1117/12.821230

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Proceedings Article | 12 January 2009 Paper

Highly sensitive humidity sensor based on ultra-long-period fiber gratings with asymmetric refractive index modulation

Y. Song, T. Zhu, Y. Rao, Y. Zhao

Proceedings Volume 7133, 71331Q (2009) https://doi.org/10.1117/12.821229

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Proceedings Article | 25 August 2008 Paper

Novel all-fiber band pass filter and multimode-single-mode converter for interconnection between multimode fiber and single-mode fiber network

Yong Zhu, Hao Mei, Xiaoqin Li, Tao Zhu

Proceedings Volume 7056, 70560N (2008) https://doi.org/10.1117/12.796466

KEYWORDS: Multimode fibers, Cladding, Single mode fibers, Linear filtering, Local area networks, Refractive index, Structured optical fibers, Fiber Bragg gratings, Bandpass filters, Carbon dioxide lasers

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Proceedings Article | 16 May 2008 Paper

Novel in-line fiber-optic etalon formed by hollow-core photonic crystal fiber

Y. Rao, T. Zhu, X. Yang, D. Duan

Proceedings Volume 7004, 700460 (2008) https://doi.org/10.1117/12.785796

KEYWORDS: Fabry–Perot interferometers, Sensors, Fiber optics sensors, Fiber optics, Visibility, Photonic crystal fibers, Single mode fibers, Reflectivity, Fabry–Perot interferometry, Sensor networks

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Proceedings Article | 16 May 2008 Paper

High-sensitivity temperature-independent strain sensor based on a long-period fiber grating with a CO2-laser engraved rotary structure

T. Zhu, Y. Rao, Y. Song, K. Chiang

Proceedings Volume 7004, 70040C (2008) https://doi.org/10.1117/12.785788

KEYWORDS: Carbon dioxide lasers, Structured optical fibers, Sensors, Temperature metrology, Cladding, Modulation, Fiber optics sensors, Telecommunications, Broadband telecommunications, Optical fibers

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Proceedings Article | 16 May 2008 Paper

Highly sensitive optical refractometer based on edge-written ultra-long period fiber grating formed by periodic grooves

Y. Song, Y. Rao, T. Zhu, C. Shi

Proceedings Volume 7004, 70041O (2008) https://doi.org/10.1117/12.785802

KEYWORDS: Refractive index, Carbon dioxide lasers, Structured optical fibers, Temperature metrology, Cladding, Diffraction, Sensors, Optical fibers, Telecommunications, Computing systems

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Proceedings Article | 4 December 2007 Paper

Special long-period fiber grating devices

Y. J. Rao, T. Zhu

Proceedings Volume 6781, 67810L (2007) https://doi.org/10.1117/12.743546

KEYWORDS: Refractive index, Gas lasers, Cladding, Modulation, Temperature metrology, Carbon monoxide, Diffraction, Fiber optic communications, Fiber lasers, Optical filters

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Proceedings Article | 20 January 2006 Paper

SFDM/CWDM of fiber-optic Fizeau strain sensors

Y. Rao, C. Zhou, T. Zhu

Proceedings Volume 6027, 602747 (2006) https://doi.org/10.1117/12.668398

KEYWORDS: Sensors, Coarse wavelength division multiplexing, Multiplexing, Fiber optics sensors, Fiber optics, Reflectivity, Interferometry, Visibility, Fiber optic communications, Communication engineering

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Proceedings Article | 20 January 2006 Paper

High temperature characteristics of long-period fiber gratings written by high-frequency CO₂ laser pulses

Y. Rao, J. Li, T. Zhu

Proceedings Volume 6027, 602748 (2006) https://doi.org/10.1117/12.668399

KEYWORDS: Temperature metrology, Carbon dioxide lasers, Fiber lasers, Refractive index, Molecules, Fiber characterization, Thermal effects, Carbon monoxide, Gas lasers, Communication engineering

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Proceedings Article | 14 February 2005 Paper

Bending characteristics analysis of novel LPFGs written by high-frequency CO₂ laser pulses

Yong-Chang Niu, Yun-Jiang Rao, Ai-Zi Hu, Tao Zhu, You-Ju Mao

Proceedings Volume 5634, (2005) https://doi.org/10.1117/12.580539

KEYWORDS: Gas lasers, Cladding, Carbon monoxide, Refractive index, Fiber lasers, Fiber optic communications, Single mode fibers, Thermal effects, Laser applications, Optical fibers

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Proceedings Article | 9 September 2002 Paper

Simultaneous measurement of transverse load and temperature using a single long-period fiber grating element

Yun-Jiang Rao, Yi-Ping Wang, Tao Zhu, Zeng-Lin Ran, Xiang Kai Zeng

Proceedings Volume 4920, (2002) https://doi.org/10.1117/12.481951

KEYWORDS: Temperature metrology, Carbon dioxide lasers, Sensors, Thermal effects, Fiber optics sensors, Refractive index, Fiber Bragg gratings, Carbon dioxide, Ultraviolet radiation, Single mode fibers

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Proceedings Article | 9 September 2002 Paper

Novel bend-insensitive long-period fiber grating sensor

Yi-Ping Wang, Yun-Jiang Rao, Zeng-Lin Ran, Tao Zhu, Xiang Kai Zeng

Proceedings Volume 4920, (2002) https://doi.org/10.1117/12.481952

KEYWORDS: Sensors, Carbon dioxide lasers, Refractive index, Fiber optics sensors, Metals, Ultraviolet radiation, Cladding, Thermal effects, Optoelectronics, Polarization

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Proceedings Article | 23 August 2002 Paper

Gain flattening of EDFAs based on combination of bending and thermal characteristics of a novel long-period fiber grating filter

Yun-Jiang Rao, Tao Zhu, Zeng-Lin Ran, Jian Jiang

Proceedings Volume 4906, (2002) https://doi.org/10.1117/12.480565

KEYWORDS: Optical amplifiers, Carbon dioxide lasers, Optical filters, Ultraviolet radiation, Thermal effects, Temperature metrology, Optical fibers, Tunable filters, Laser applications, Laser stabilization

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Proceedings Article | 23 August 2002 Paper

Optimization of in-line EDFAs using a novel CO2-induced long-period fiber grating filter

Yun-Jiang Rao, Zeng-Lin Ran, Tao Zhu, Jian Jiang

Proceedings Volume 4906, (2002) https://doi.org/10.1117/12.480615

KEYWORDS: Optical amplifiers, Optical filters, Electronic filtering, Optical fibers, Carbon dioxide lasers, Interference (communication), Ultraviolet radiation, Denoising, Fiber amplifiers, Tunable filters

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Proceedings Article | 23 August 2002 Paper

Novel tunable gain equalizer based on a long-period fiber grating written by high-frequency CO2 laser pulses

Yi-Ping Wang, Yun-Jiang Rao, Zeng-Lin Ran, Tao Zhu, Ai-Zi Hu

Proceedings Volume 4906, (2002) https://doi.org/10.1117/12.480568

KEYWORDS: Carbon dioxide lasers, Optical amplifiers, Temperature metrology, Optical fibers, Fiber amplifiers, Fiber optic communications, Telecommunications, Single mode fibers, Optoelectronics, Reflection

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Proceedings Article | 30 October 2001 Paper

Temperature-strain discrimination using a wavelength-division-multiplexed chirped FBG/EFPI sensor system

Yun-Jiang Rao, Xiang Kai Zeng, Yi-Ping Wang, Tao Zhu, Zeng-Lin Ran, Lin Zhang, Ian Bennion

Proceedings Volume 4596, (2001) https://doi.org/10.1117/12.447330

KEYWORDS: Sensors, Temperature metrology, Photodetectors, Fiber Bragg gratings, Wavelength division multiplexing, Sensing systems, Fabry–Perot interferometers, Interferometry, Fiber optics sensors, Reflectivity

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Proceedings Article | 29 October 2001 Paper

Low-noise Er-doped fiber amplifiers using novel CO2-induced long-period fiber gratings

Yun-Jiang Rao, Zeng-Lin Ran, Tao Zhu, Xiang Kai Zeng, Ban-Mei Yu, Yi-Ping Wang

Proceedings Volume 4594, (2001) https://doi.org/10.1117/12.446532

KEYWORDS: Optical amplifiers, Optical filters, Fiber amplifiers, Carbon dioxide lasers, Thermal effects, Denoising, Optical fibers, Signal to noise ratio, Fiber optic communications, Telecommunications

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Proceedings Article | 17 October 2001 Paper

Applications of CO2-induced long-period fiber gratings in Er-doped fiber amplifiers

Yun-Jiang Rao, Tao Zhu, Zeng-Lin Ran, Ban-Mei Yu, Yi-Ping Wang

Proceedings Volume 4581, (2001) https://doi.org/10.1117/12.445055

KEYWORDS: Optical amplifiers, Gas lasers, Optical filters, Carbon monoxide, Denoising, Fiber amplifiers, Thermal effects, Optical fibers, Laser applications, Telecommunications

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Proceedings Article | 17 October 2001 Paper

Characteristics of novel long-period fiber gratings written by focused high-frequency CO2 laser pulses

Yun-Jiang Rao, Yi-Ping Wang, Zeng-Lin Ran, Tao Zhu, Ban-Mei Yu

Proceedings Volume 4581, (2001) https://doi.org/10.1117/12.445056

KEYWORDS: Gas lasers, Carbon monoxide, Thermal effects, Refractive index, Ultraviolet radiation, Fiber lasers, Optical fibers, Laser energy, Fiber amplifiers, Sensors

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