Dr. Youlong Yu Profile

Dr. Youlong Yu

at Heilongjiang Univ

SPIE Involvement:

Author

Publications (13)

Proceedings Article | 18 December 2023 Paper

Sagnac interference-based sensitivity tunable optical fiber vibration sensing system

Zhou Zheng, Youlong Yu, Jingzhi Wang, Xinwei Chen

Proceedings Volume 12968, 129680O (2023) https://doi.org/10.1117/12.3003951

KEYWORDS: Vibration, Sensing systems, Optical fibers, Sagnac interferometers

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Proceedings Article | 21 November 2007 Paper

A novel interrogation technique for time-division multiplexing fiber Bragg grating sensor arrays

Shengchun Liu, Youlong Yu, Jintao Zhang, Sun Fei

Proceedings Volume 6781, 67812M (2007) https://doi.org/10.1117/12.745990

KEYWORDS: Sensors, Fiber Bragg gratings, Switches, Time division multiplexing, Modulators, Modulation, Michelson interferometers, Ferroelectric materials, Sensing systems, Analog electronics

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Proceedings Article | 5 March 2007 Paper

Realizing all-optical full-adder logic operation with photorefractive crystal phase conjugation

Xiuying Fan, Guohui Lv, Zuohong Jiang, Huiying Wang, Youlong Yu

Proceedings Volume 6595, 65950D (2007) https://doi.org/10.1117/12.725702

KEYWORDS: Phase conjugation, Logic, Crystals, Silicon, Computing systems, Laser crystals, Beam splitters, Light scattering, Optical computing, Optical logic

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Proceedings Article | 28 September 2006 Paper

Multi-channel output of time division multiplexed fiber Bragg grating sensing network based on a cascade electrical switches array

Shengchun Liu, Jintao Zhang, Youlong Yu

Proceedings Volume 6354, 63542G (2006) https://doi.org/10.1117/12.687542

KEYWORDS: Switches, Fiber Bragg gratings, Sensors, Multiplexing, Michelson interferometers, Signal detection, Sensing systems, Modulation, Electrooptic modulators, Signal generators

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Proceedings Article | 20 January 2006 Paper

Measurement of the three-dimensional thermal expansion coefficients of Beryllium using fiber Bragg grating sensors

Xiujuan Yu, Youlong Yu, Baojin Peng, Min Zhang, Yanbiao Liao, Shurong Lai

Proceedings Volume 6027, 602743 (2006) https://doi.org/10.1117/12.668394

KEYWORDS: Fiber Bragg gratings, Sensors, Temperature metrology, Beryllium, Optical fibers, Environmental sensing, Refractive index, Fiber optics, Electronics, Electromagnetic interference

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Proceedings Article | 5 December 2005 Paper

Strain measurement of steel structure using a novel FBG sensor packaged by titanium alloy slice

Xiujuan Yu, Youlong Yu, Yanbiao Liao, Min Zhang, Shurong Lai

Proceedings Volume 6019, 60194G (2005) https://doi.org/10.1117/12.634185

KEYWORDS: Fiber Bragg gratings, Sensors, Titanium, Resistance, Temperature metrology, Packaging, Fiber optics sensors, Optical fibers, Refractive index, Adhesives

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Proceedings Article | 5 November 2005 Paper

Strain measurement of steel and concrete structure using novel surface-mounted fiber Bragg grating sensors

Xiujuan Yu, Youlong Yu, Yanbiao Liao, Min Zhang, Shurong Lai

Proceedings Volume 5998, 599807 (2005) https://doi.org/10.1117/12.630214

KEYWORDS: Fiber Bragg gratings, Sensors, Resistance, Temperature metrology, Packaging, Photography, Fiber optics sensors, Temperature sensors, Optical fibers, Refractive index

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Proceedings Article | 29 October 2001 Paper

Active interrogation technique for wavelength-division-multiplexed fiber Bragg grating sensor system

Youlong Yu, Hwa-Yaw Tam, Wenghong Chung

Proceedings Volume 4595, (2001) https://doi.org/10.1117/12.446626

KEYWORDS: Sensors, Fiber Bragg gratings, Optical filters, Wavelength division multiplexing, Tunable filters, Fiber lasers, Fiber optics sensors, Chemical elements, Michelson interferometers, Multiplexing

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Proceedings Article | 30 September 1996 Paper

All-optical XOR and NXOR logic operations with self-pumped phase conjugation

Youlong Yu, Zuohong Jiang, Jie Ying, Xiuying Fan, Ran Wang, Shuwei Geng, Quanzhong Jiang, Huanchu Chen

Proceedings Volume 2896, (1996) https://doi.org/10.1117/12.253244

KEYWORDS: Logic, Crystals, Phase conjugation, Light scattering, Laser crystals, Switches, Laser scattering, Scattering, Logic devices, Beam splitters

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Proceedings Article | 25 February 1993 Paper

Properties of self-pumped phase conjugation in KNSBN:Co crystal

Youlong Yu, Zuohong Jiang, Quanzhong Jiang, Huanchu Chen

Proceedings Volume 1775, (1993) https://doi.org/10.1117/12.139204

KEYWORDS: Phase conjugation, Crystals, Reflectivity, Laser crystals, Light scattering, Organic materials, Argon ion lasers, Electro optics, Four wave mixing, Nonlinear crystals

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Proceedings Article | 1 May 1990 Paper

Self-pumped phase conjugation with external ring cavity in Cu:SBN crystal

Haiying Xu, Yang Yuan, Youlong Yu, Kebin Xu, Yuhuan Xu, Huanchu Chen, Quanzhong Jiang

Proceedings Volume 1220, (1990) https://doi.org/10.1117/12.18307

KEYWORDS: Phase conjugation, Crystals, Reflectivity, Copper, Laser crystals, Mirrors, Laser beam diagnostics, Light scattering, Distortion, Laser scattering

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Proceedings Article | 1 May 1990 Paper

Optical phase conjugation in KNSBN, Pr-doped KNSBN, and Cu-doped SBN

Yang Yuan, Haiying Xu, Youlong Yu, Kebin Xu, Yuhuan Xu, De-Rui Zhu, Huanchu Chen, Qinglun Zhang

Proceedings Volume 1220, (1990) https://doi.org/10.1117/12.18313

KEYWORDS: Phase conjugation, Crystals, Reflectivity, Four wave mixing, Praseodymium, Copper, Nonlinear crystals, Tungsten, Transient nonlinear optics, Nonlinear optics

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Proceedings Article | 1 May 1990 Paper

Real-time associative memory with photorefractive crystal KNSBN and liquid-crystal optical switches

Haiying Xu, Yang Yuan, Youlong Yu, Kebin Xu, Yuhuan Xu, De-Rui Zhu

Proceedings Volume 1220, (1990) https://doi.org/10.1117/12.18311

KEYWORDS: Crystals, Liquid crystals, Content addressable memory, Holography, Switches, Diffraction, Beam splitters, Optical switching, Electro optics, Optical amplifiers

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Showing 5 of 13 publications

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