Dr. Jianjun Ma Profile

Dr. Jianjun Ma

Research Associate at Univ du Québec en Outaouais

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Author

Publications (21)

Proceedings Article | 2 June 2014 Paper

Highly sensitive and selective optical fiber fluorescence sensor for lead ion detection in water using corrugated long period fiber grating

Yasser Chiniforooshan, Jianjun Ma, Wojtek Bock, Wenhui Hao, Zhi Yuan Wang

Proceedings Volume 9157, 91575C (2014) https://doi.org/10.1117/12.2059737

KEYWORDS: Sensors, Luminescence, Lead, Optical fibers, Ions, Multimode fibers, Polymers, Water, Biological and chemical sensing, Fiber optics sensors

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Proceedings Article | 11 October 2013 Paper

Enhanced optical fiber fluorometer using a periodic perturbation in the fiber core

Yasser Chiniforooshan, Wojtek Bock, Jianjun Ma

Proceedings Volume 8915, 89151L (2013) https://doi.org/10.1117/12.2037798

KEYWORDS: Luminescence, Target detection, Sensors, Optical fibers, Fiber optics, Polymers, Fiber optics sensors, Carbon dioxide lasers, Fluorometers, Fluorescence spectroscopy

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Proceedings Article | 11 October 2013 Paper

Detecting weak fluorescence turn-on in the presence of Pb2+ heavy metal ion using coaxial fiber optic sensor

Jianjun Ma, Yasser Chiniforooshan, Wenhui Hao, Wojtek Bock, Zhi Yuan Wang

Proceedings Volume 8915, 89151I (2013) https://doi.org/10.1117/12.2037100

KEYWORDS: Luminescence, Signal detection, Stray light, Spectroscopy, Fluorescence spectroscopy, Metals, Fiber optics sensors, Ions, Light sources, Ocean optics

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Proceedings Article | 7 November 2012 Paper

Enhanced novel fiber-optic sensor for efficient fluorescence collection

Yasser Chiniforooshan, Jianjun Ma, Wojtek Bock

Proceedings Volume 8421, 84216P (2012) https://doi.org/10.1117/12.976883

KEYWORDS: Luminescence, Fiber optics sensors, Sensors, Fiber optics, Image segmentation, Scattering, Optical fibers, Multiplexing, Reflection, Reflectivity

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Proceedings Article | 7 November 2012 Paper

Using optical fiber sidewall to capture light from an adjustable depth

Jianjun Ma, Yasser Chiniforooshan, Wojtek Bock

Proceedings Volume 8421, 842169 (2012) https://doi.org/10.1117/12.974862

KEYWORDS: Liquids, Cladding, Signal detection, Collimation, Interfaces, Optical fibers, Sensors, Spectroscopy, Ray tracing, Fiber optics sensors

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Proceedings Article | 11 May 2012 Paper

Optimizing a lab-on-a-fiber optic device for trace TNT explosive detection

Jianjun Ma, Aldona Kos, Wojtek Bock, Wenhui Hao, Zhi Yuan Wang

Proceedings Volume 8357, 83571G (2012) https://doi.org/10.1117/12.918725

KEYWORDS: Luminescence, Light emitting diodes, Explosives detection, Stray light, Shape memory alloys, Polymers, Sensors, Polymer thin films, Explosives, Connectors

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Proceedings Article | 5 May 2012 Paper

Advanced fiber optic fluorescence turn-on molecular sensor for highly selective detection of copper in water

Yasser Chiniforooshan, Jianjun Ma, Wojtek Bock, Wenhui Hao, Zhi Yuan Wang

Proceedings Volume 8370, 83700A (2012) https://doi.org/10.1117/12.920843

KEYWORDS: Luminescence, Copper, Fiber optics sensors, Sensors, Fiber optics, Water, Ions, Image segmentation, Receptors, Spectroscopy

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Proceedings Article | 17 May 2011 Paper

Evanescent-wave fiber-optic sensor: on power transfer from core-cladding interface to fiber end-face

Yasser Chiniforooshan, Jianjun Ma, Wojtek Bock

Proceedings Volume 7753, 77534Y (2011) https://doi.org/10.1117/12.885135

KEYWORDS: Fiber optics sensors, Polymers, Geometrical optics, Sensors, Luminescence, Fiber optics, Fiber couplers, Light wave propagation, Interfaces, Multimode fibers

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Proceedings Article | 17 May 2011 Paper

Launching the excitation light to a taper externally: comprehensive performance improvement of fiber-optic evanescent-wave sensor

Huacai Chen, Jianjun Ma, Wojtek Bock

Proceedings Volume 7753, 775354 (2011) https://doi.org/10.1117/12.884737

KEYWORDS: Fiber optics sensors, Sensors, Fiber optics, Spectroscopy, Stray light, Chemical elements, Fiber couplers, Chemical analysis, Fiber optic components, Luminescence

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Proceedings Article | 17 May 2011 Paper

Enabling low-cost, high-performance vapor-phase TNT detection by optimizing multimode fiber sensing platform

Jianjun Ma, Aldona Kos, Wojtek Bock, Xianzhe Li, Huy Nguyen, Zhi Yuan Wang

Proceedings Volume 7753, 77535M (2011) https://doi.org/10.1117/12.885639

KEYWORDS: Sensors, Explosives, Polymers, Multimode fibers, Fiber optics sensors, Head, Polymeric sensors, Stray light, Quenching (fluorescence), Explosives detection

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Proceedings Article | 9 September 2010 Paper

Lab-on-a-fiber: building a fiber optic sensing platform for low-cost and high-performance trace vapor TNT detection

Jianjun Ma, Aldona Kos, Wojtek Bock, Xianzhe Li, Huy Nguyen, Zhi Yuan Wang, Andrea Cusano

Proceedings Volume 7653, 76531E (2010) https://doi.org/10.1117/12.865080

KEYWORDS: Fiber optics sensors, Sensors, Polymers, Fiber optics, Stray light, Quenching (fluorescence), Explosives, Explosives detection, Active remote sensing, Thin films

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Proceedings Article | 12 August 2008 Paper

Dramatic enhancing of fluorescent light collection efficiency from a very thin layer of polymer on a planar glass substrate

Jianjun Ma, Xianzhen Li, Huy Nguyen, Wojtek Bock, Zhiyuan Wang

Proceedings Volume 7099, 70991Z (2008) https://doi.org/10.1117/12.804776

KEYWORDS: Polymers, Stray light, Glasses, Thin films, Quenching (fluorescence), Polymer thin films, Fiber optics, Explosives detection, Biological and chemical sensing, Spectroscopy

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Proceedings Article | 16 May 2008 Paper

Revolutionizing the design of an evanescent-wave-based fiber-optic fluorometer

Jianjun Ma, Wojtek Bock

Proceedings Volume 7004, 70040N (2008) https://doi.org/10.1117/12.783024

KEYWORDS: Stray light, Fluorometers, Signal detection, Cladding, Fiber optics, Sensors, Optical filters, Spectroscopy, Optical instrument design, Electronic filtering

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Proceedings Article | 8 September 2006 Paper

Fiber-optic sensing concepts based on photonic crystal fibers

Wojtek Bock, Jiahua Chen, Jianjun Ma

Proceedings Volume 6343, 634314 (2006) https://doi.org/10.1117/12.707700

KEYWORDS: Sensors, Photonic crystal fibers, Cladding, Fiber optics sensors, Optical fibers, Temperature metrology, Fiber optics, Glasses, Manufacturing, Luminescence

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Proceedings Article | 12 October 2005 Paper

Investigation of a large-core photonic crystal fiber sensor for enhancement of fluorescent light collection of polymer membrane

Jianjun Ma, Wojtek Bock, Zhiyuan Wang, Wenhui Hao, Sean MacKinnon

Proceedings Volume 5970, 597006 (2005) https://doi.org/10.1117/12.628428

KEYWORDS: Optical fibers, Glasses, Photonic crystal fibers, Polymers, Cladding, Spectroscopy, Sensors, Polymeric sensors, Luminescence, Optical testing

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Proceedings Article | 16 November 2004 Paper

Light coupling model for a photonic crystal fiber with air holes collapsed at the fiber end

Jianjun Ma, Wojtek Bock

Proceedings Volume 5579, (2004) https://doi.org/10.1117/12.567400

KEYWORDS: Photonic crystal fibers, Signal attenuation, Cladding, Optical properties, Fusion splicing, Error analysis, Optical fibers, Light sources, Geometrical optics, Silica

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Proceedings Article | 17 February 2003 Paper

Simplified white-light interferometric strain sensor based on HB fibers with automatic temperature compensation

Jianjun Ma, Wojtek Bock, Waclaw Urbanczyk

Proceedings Volume 4833, (2003) https://doi.org/10.1117/12.473985

KEYWORDS: Sensors, Fiber optics sensors, Optical fibers, Sensing systems, Interferometry, Fiber optics, Temperature metrology, Chemical elements, Temperature sensors, Data acquisition

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Proceedings Article | 13 June 2001 Paper

Polarimetric sensors for damage detection of aluminum materials

Wee Chang, Poh Ng, Su-fern Sng, Jianjun Ma, Anand Asundi, Jayanth Puttappa

Proceedings Volume 4317, (2001) https://doi.org/10.1117/12.429577

KEYWORDS: Aluminum, Sensors, Fiber optics sensors, Polarimetry, Optical fibers, Damage detection, Fourier transforms, Temperature metrology, Electromagnetic interference, Signal processing

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Proceedings Article | 11 November 1999 Paper

Detection of cracks in aluminum beams using fiber optic polarimetric sensor

Jianjun Ma, Anand Asundi

Proceedings Volume 3897, (1999) https://doi.org/10.1117/12.369372

KEYWORDS: Fiber optics sensors, Sensors, Polarimetry, Aluminum, Fiber optics, Helium neon lasers, Fiber lasers, Light, Birefringence, Safety

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Proceedings Article | 6 June 1997 Paper

Second-order sensitivity effects on optical fiber sensors for simultaneous measurement of strain and temperature

Jianjun Ma, Weizhong Tang, Wen Zhou

Proceedings Volume 3042, (1997) https://doi.org/10.1117/12.275738

KEYWORDS: Temperature metrology, Fiber optics sensors, Sensors, Error analysis, Polarimetry, Phase measurement, Information technology, Electronics engineering, Temperature sensors, Interferometry

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Proceedings Article | 24 September 1996 Paper

Cross-sensitivity effects on the single-wavelength optical fiber strain and temperature sensor

Jianjun Ma, Weizhong Tang, Wen Zhou

Proceedings Volume 2895, (1996) https://doi.org/10.1117/12.252193

KEYWORDS: Optical fibers, Temperature metrology, Sensors, Condition numbers, Temperature sensors, Interferometry, Fiber optics sensors, Birefringence, Polarimetry, Electronics engineering

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Showing 5 of 21 publications

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