Prof. Yinping Miao Profile

Prof. Yinping Miao

at Tianjin Univ of Technology

SPIE Involvement:

Author

Publications (21)

SPIE Journal Paper | 26 December 2024

Highly integrated hollow-core anti-resonant fiber magnetic field sensor based on surface plasmon resonance

Youlian Wang, Ning Li, Yinping Miao

OE, Vol. 63, Issue 12, 126103, (December 2024) https://doi.org/10.1117/12.10.1117/1.OE.63.12.126103

KEYWORDS: Magnetism, Gold, Magnetic sensors, Film thickness, Sensors, Fiber optics sensors, Cladding, Lithium, Optical engineering, Surface plasmons

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Proceedings Article | 4 January 2023 Poster + Paper

Head radiographic detection of feature aggregation networks with coordinated attention

Xinwang Shao, Zhihong Chen, Jia Lu, Haiwei Zhang, Yinping Miao, Wenhan Song

Proceedings Volume 12317, 123170T (2023) https://doi.org/10.1117/12.2643232

KEYWORDS: Networks, X-rays, Anatomy, Education and training, Diseases and disorders, Optical engineering, Medical imaging, Lithium, Integrated circuits, Head

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Proceedings Article | 4 August 2022 Paper

Arbitrary-oriented object detection algorithm based on cross-layer integrating attention mechanism for remote images

Jia Lu, Zhihong Chen, Yinping Miao, Baoqi Guo, Xinwang Shao, Shuanglong Xu, Huijun Su

Proceedings Volume 12306, 123060Z (2022) https://doi.org/10.1117/12.2641358

KEYWORDS: Remote sensing, Detection and tracking algorithms, Image fusion, Target detection, Convolution, Feature extraction

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Proceedings Article | 10 October 2020 Presentation + Paper

All-single-mode fiber intracavity displacement sensor based on Er-doped fiber ring laser

Mingpan Bi, Haiwei Zhang, Lifang Xue, Yinping Miao, Wei Shi, Jianquan Yao

Proceedings Volume 11554, 115540K (2020) https://doi.org/10.1117/12.2573709

KEYWORDS: Fiber lasers, Sensors, Fiber optics sensors, Sensing systems, Signal to noise ratio, Single mode fibers, Interferometers, Resistance, Electromagnetic interference, Remote sensing

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SPIE Journal Paper | 20 August 2019

Highly sensitive chloride ion concentration measurement based on a multitaper modulated fiber

Lijiao Zu, Hongmin Zhang, Chengwei Fei, Yinping Miao, Bin Li, Jianquan Yao

OE, Vol. 58, Issue 08, 086109, (August 2019) https://doi.org/10.1117/12.10.1117/1.OE.58.8.086109

KEYWORDS: Ions, Modulation, Sensors, Refractive index, Cladding, Fiber optics sensors, Environmental sensing, Environmental monitoring, Corrosion, Water contamination

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Proceedings Article | 28 September 2015 Paper

Magnetic-field sensor based on tapered all-solid waveguide-array fiber and magnetic fluids

Yinping Miao, Jia Mao, Jixuan Wu, Wei Lin, Binbin Song, Kailiang Zhang, Hao Zhang, Bo Liu

Proceedings Volume 9634, 96346W (2015) https://doi.org/10.1117/12.2194549

KEYWORDS: Magnetism, Magnetic sensors, Refractive index, Waveguides, Fiber optics sensors, Sensors, Fiber optics, Single mode fibers, Optical fibers, Nanoparticles

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Proceedings Article | 28 September 2015 Paper

Magnetic field sensor based on fiber taper coupler coated with magnetic fluid

Wei Lin, Hao Zhang, Binbin Song, Bo Liu, Yandong Lin, Haifeng Liu, Yinping Miao, Yange Liu

Proceedings Volume 9634, 96347U (2015) https://doi.org/10.1117/12.2191929

KEYWORDS: Magnetism, Magnetic sensors, Fiber couplers, Sensors, Fiber coatings, Fiber optics sensors, Head, Refractive index, Structured optical fibers, Electronic components

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Proceedings Article | 28 September 2015 Paper

Ultrahigh sensitive twist sensor employing Sagnac interferometer based on PM-elliptical core fibers

Binbin Song, Bo Liu, Wei Lin, Yinping Miao, Hao Zhang, Jixuan Wu, Haifeng Liu, Donglin Yan

Proceedings Volume 9634, 963453 (2015) https://doi.org/10.1117/12.2190828

KEYWORDS: Optical fibers, Birefringence, Sensors, Sagnac interferometers, Photoelasticity, Single mode fibers, Electronic components, Electronics engineering, Fiber optics sensors

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SPIE Journal Paper | 21 July 2015

Acousto-optic fiber interferometer based on concatenated flexural wave modulation

Shouxin Kang, Hao Zhang, Bo Liu, Ning Zhang, Yinping Miao

OE, Vol. 54, Issue 07, 076106, (July 2015) https://doi.org/10.1117/12.10.1117/1.OE.54.7.076106

KEYWORDS: Acoustics, Acousto-optics, Interferometers, Cladding, Modulation, Interferometry, Optical fibers, Refractive index, Optical engineering, Light wave propagation

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An acousto-optic fiber interferometer has been proposed and experimentally demonstrated by employing two MgF2 sandwiches to implement concatenated flexural acoustic wave modulation onto single-mode optical fibers. The transmission spectrum of the acoustic grating pair has been experimentally investigated. Experimental results indicate that interferometric spectral fringes possess a frequency sensitivity as large as −499.0 nm/MHz due to the Mach–Zehnder interference. Moreover, the applied radio frequency signal voltage for flexural wave generation has a great impact on the transmission spectral properties. The work presented would be of importance for the understanding of the acousto-optic interaction mechanism in concatenated acoustic fiber gratings and is helpful for the design of related acousto-optic fiber devices.

Proceedings Article | 2 June 2014

Magnetic field tunability of square tapered no-core fibers

Yinping Miao, Jixuan Wu, Wei Lin, Kailiang Zhang, Binbin Song, Hao Zhang, Bo Liu

Proceedings Volume 9157, 91577Z (2014) https://doi.org/10.1117/12.2059275

KEYWORDS: Magnetism, Optical fibers, Refractive index, Single mode fibers, Photonic devices, Fusion splicing, Electronic components, Electronics engineering, Silica, Waveguides

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A magnetic-field-tuned photonics device based on magnetic fluid (MF) and a square tapered no-core fiber (NCF) sandwiched between two single-mode fibers (SMFs) has been proposed. The enhanced evanescent field effect in the NCF is achieved by tapering the square NCF utilizing a fusion splicer. The spectral dependence of the proposed device on the applied magnetic-field intensity has been investigated. The results indicate that a maximal sensitivity of -18.7pm/Oe is obtained for a magnetic field strength ranging from 25Oe to 450Oe. The proposed tunable device has several advantages, including low cost, ease of fabrication, compact structure, and high sensitivity.

SPIE Journal Paper | 20 March 2013

Acoustic birefringence suppression in a fiber acoustic grating employing solid-core photonic crystal fiber with hexagonal air-hole array cladding

Minghui Qiu, Hao Zhang, Bo Liu, Hongguang Dong, Chunxue Yang, Yinping Miao

OE, Vol. 52, Issue 03, 035008, (March 2013) https://doi.org/10.1117/12.10.1117/1.OE.52.3.035008

KEYWORDS: Acoustics, Birefringence, Cladding, Photonic crystal fibers, Acousto-optics, Modulation, Single mode fibers, Aluminum, Tunable filters, Optical fibers

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An acoustic birefringence suppression scheme for acoustic fiber gratings has been proposed and experimentally demonstrated. Experimental observation of the transmission characteristics of the single-mode-fiber-based (SMF-based) acoustic grating confirms that introduction of one segment of solid-core photonic crystal fiber (PCF) with air-hole array in the cladding region helps to eradicate resonance peak splitting induced by acoustic birefringence, which has been explained by our theoretical analysis from the acoustic wave modulation method and fiber cross-section structure. Moreover, experimental results indicate that the introduction of the solid-core PCF does not have a considerable impact on the frequency dependence of resonance wavelength for the SMF-based acoustic fiber grating, which ensures the performances of the PCF-assisted SMF-based acousto-optic tunable filter for practical applications.

Proceedings Article | 17 October 2012

Dynamic temperature compensation interrogation technique for liquid level sensors array based on single-longitudinal-mode DBR fiber laser

Chenglai Jia, Bo Liu, Hao Zhang, Yinping Miao

Proceedings Volume 8421, 842159 (2012) https://doi.org/10.1117/12.975234

KEYWORDS: Sensors, Liquids, Fiber lasers, Fiber Bragg gratings, Temperature metrology, Multiplexing, Polarimetry, Fiber optics sensors, Polarization, Birefringence

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A polarimetric DBR fiber laser sensor array for simultaneous measurement of liquid level and temperature has been proposed and experimentally demonstrated. Operation principle of the proposed DBR fiber laser sensor has been theoretically analyzed. Based on beat frequency/wavelength hybrid interrogation, discrimination between liquid level and temperature has been achieved. Furthermore, three fiber laser sensors were cascaded to build up a serially multiplexed sensor array, showing a good multiplexing capability for potential network applications.

Proceedings Article | 31 January 2012

Bend response of weakly tilted Bragg grating inscribed in all-solid photonic band-gap fibers

Yinping Miao, Bo Liu, Kailiang Zhang, Xiaoyun Zhu, Yan Liu, Xingya Chen, Hao Zhang

Proceedings Volume 8351, 835116 (2012) https://doi.org/10.1117/12.912809

KEYWORDS: Optical fibers, Fiber Bragg gratings, Refractive index, Cladding, Modulation, Sensors, Photonic crystal fibers, Ultraviolet radiation, Electronic components, Electronics engineering

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Weakly tilted fiber Bragg gratings (W-TFBGs) with a certain tilted angle are inscribed in the Ge-doped cladding rods of all-solid photonic band-gap fibers (AS-PBGF) by UV illumination. There are couplings not only forward-propagating LP₀₁ mode to counter-propagating LP01 mode but also the couplings to counter-propagating high order supermodes based on tilted refractive index modulation. The responses of the W-TFBGs to temperature and bend are investigated. The results indicate that the resonance peaks will shift red-side with increasing temperatures, and the sensitivities of different resonance peaks are very close in the same grating. When the bend is applied, the grids of W-TFBG will be compressed or stretched. Two resonance peaks will shift with increasing curvatures, which is related to the orientation of curvature. Therefore, it is potential to work as a directional bend sensor. For the fiber grating with high-order supermodes coupling, it could form fiber grating array by different levels. If every grating has individual response to surrounding, such a single W-TFBG could be used for one point and multi-parameter measurement. In addition, this work provides some insights into the mechanisms that contribute to the measured properties of TFBG in the photonic crystal fiber. It is also an effective method to investigate supermode properties of photonic crystal fiber.

Proceedings Article | 29 November 2011

Multilongitudinal-mode fiber laser temperature sensor and its applications in the measurement of temperature dependence of fiber birefringence

Hao Zhang, Bo Liu, Yange Liu, Yinping Miao, Xingya Chen, Yunqi Liu

Proceedings Volume 8311, 83110Q (2011) https://doi.org/10.1117/12.902974

KEYWORDS: Fiber lasers, Birefringence, Temperature metrology, Refractive index, Temperature sensors, Fiber Bragg gratings, Sensors, Active optics, Spectrum analysis, Polarimetry

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In this paper, an active temperature sensor based on beat frequency interrogation of a multilongitudinal-mode fiber laser has been proposed and demonstrated. Temperature measurement has been achieved through beat frequency interrogation of the proposed multilongitudinal mode laser. Experimental results show that the temperature sensing curve has good linearity with a coefficient of determination of 0.996004 for a temperature range of 30°C to 105.3°C. Furthermore, its application in the measurement of temperature dependence of fiber birefringence has been also investigated. And calculation results according to experimental observation of the beat frequency spectrum indicate that as temperature increases intrinsic fiber birefringence also linearly increases with a temperature coefficient of about 4.4x10^-10/°C. The proposed multilongitudinal-mode fiber laser sensor based on beat frequency interrogation has several advantages including compactness, high signal to noise ratio, etc, which is expected to be employed in future sensing applications.

Proceedings Article | 17 May 2011

Intensity modulated temperature sensor based on the photonic crystal fibers filled with magnetic fluid

Yinping Miao, Yan Liu, Bo Liu, Kailiang Zhang, Hao Zhang, Qida Zhao

Proceedings Volume 7753, 775347 (2011) https://doi.org/10.1117/12.885325

KEYWORDS: Magnetism, Temperature sensors, Photonic crystal fibers, Refractive index, Modulation, Optical fibers, Tunable filters, Photonic devices, Waveguides, Liquids

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We propose a photonic crystal fiber (PCF) temperature sensor that is based on intensity modulation by magnetic fluid (MF) filling of air holes with index-guiding PCF. Temperature characteristic of MF-filled PCF is investigated without magnetic field and with weak magnetic field. The results show that light is still guided by total internal reflection (TIR) in this device because MF has a smaller refractive index than the material in the fiber core; the transmission power of the MF-filled PCF is used as the sensor signal to investigate its temperature properties. The temperature sensitivity of transmission power was experimentally determined to be 0.06dBm/oC for a 10cm-long PCF without applying magnetic field.

Proceedings Article | 5 October 2009

Bending and directional characteristics of weakly tilted fiber Bragg grating

Yinping Miao, Bo Liu, Jian Liu, Qida Zhao

Proceedings Volume 7503, 75037B (2009) https://doi.org/10.1117/12.835879

KEYWORDS: Cladding, Sensors, Fiber Bragg gratings, Fiber optics sensors, Photoelasticity, Structured optical fibers, Optical fibers, Capillaries, Electronics, Electronics engineering

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The transmission spectral characteristics of TFBG were reported under a range of curvatures with different axial rotational orientations. The coupling modes as a result of bending were investigated by examining the appearance of new modes, the variation in coupling strength and the chirped resonance due to the variance of the effective tilted angle, coupling coefficient between cladding modes and core mode and the principal strain gradient.

Proceedings Article | 11 November 2008

Research on fiber sensor demodulating technique using tilted fiber Bragg gratings

Yinping Miao, Bo Liu, Weihua Zhang, Qida Zhao

Proceedings Volume 7134, 71340P (2008) https://doi.org/10.1117/12.802822

KEYWORDS: Fiber Bragg gratings, Cladding, Optical filters, Sensors, Fiber optics sensors, Linear filtering, Interference (communication), Demodulation, Tunable lasers, Temperature metrology

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Tilted fibre Bragg grating (TFBG) belongs to short-period gratings family; there is core mode and a lot of cladding modes in the transmission spectrum. According to the special structure and coupling characteristic of the TFBG, we propose a novel method of edge filter linear demodulation using tilted fiber Bragg gratings in a fiber sensor system. The results show that the widely linear range of katabatic edge (1505nm~1535nm) and an assurgent edge (1545nm~1565nm) can be used in edge filtering; the thermal characteristic of the core mode and cladding modes is similar to FBG's. Therefore, it can compensate dynamically the temperature shift of the FBG and the effect of temperature noise on the strain or other sensing signals is eliminated. The advantages of this simple system are an all-fiber design, quasi static and dynamic operation, high stability and lower cost.

Proceedings Article | 11 November 2008

Temperature insensitive strain sensors based on high birefringence fiber loop mirror with a single fiber Bragg grating

Haibin Zhou, Bo Liu, Yange Liu, Hua Sun, Yinping Miao, Jianhua Luo

Proceedings Volume 7134, 713428 (2008) https://doi.org/10.1117/12.803803

KEYWORDS: Fiber Bragg gratings, Sensors, Temperature metrology, Mirrors, Birefringence, Optical sensors, Sensing systems, Head, Sun, Optical components

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In this letter, a novel optical sensor based on high birefringence fiber loop mirror with a single Fiber Bragg Grating, available for temperature insensitive measurement for strain, was proposed and demonstrated. Considering that the HBFLM (high birefringence fiber loop mirror) and the conditional Fiber Bragg Grating have different response to strain and temperature, respectively, we can detect both the peak wavelength shift of these two devices. So we can build a lineal matrix equation between the perturbation of the surrounding and the shift of the transmission spectrum. Compared with conditional sensors for simultaneous measurement, this kind of sensor has several advantages, including simple configuration, low cost and easy to be fabricated.

Proceedings Article | 11 November 2008

Simultaneous measurement of surrounding temperature and refractive index by the tilted fiber Bragg grating

Yinping Miao, Bo Liu, Shuang Tian, Qida Zhao

Proceedings Volume 7134, 71343W (2008) https://doi.org/10.1117/12.802884

KEYWORDS: Cladding, Refractive index, Temperature metrology, Sensors, Fiber Bragg gratings, Etching, Matrices, Biological and chemical sensing, Biosensing, HF etching

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Simultaneous independent measurement of surrounding refractive index (SRI) and temperature using the tilted fiber Bragg grating is proposed and experimentally demonstrated. Core mode is sensitive only to the temperature while cladding modes are sensitive to the temperature and SRI, theirs temperature sensitivities are equal. The wavelength shifts of two kinds of modes with a change of temperature and SRI allow for simultaneous discrimination temperature and SRI effect. In addition, the sensitivity of TFBG to SRI is significantly enhanced by hydrofluoric etching clad; it can satisfy the custom-built sensitivity that the clad of TFBG was etched in different degrees as well. This sensor is potential for chemical-biochemical sensing application and measuring the concentration of the chemical solutions accurately.

Proceedings Article | 21 November 2007

A novel high-birefringence fiber loop mirror electric current sensor

Dong Bo, Qida Zhao, Liubo Tongqing Liao, Shuhong Li, Xiangye Zeng, Yinping Miao, Guiling Huang

Proceedings Volume 6781, 678148 (2007) https://doi.org/10.1117/12.743326

KEYWORDS: Sensors, Fiber optics sensors, Magnetism, Head, Fiber optics, Optical filters, Linear filtering, Birefringence, Mirrors, Magnetic sensors

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A novel electric current sensor based on a high-birefringence fiber loop mirror(HBFLM) and a kind of magnetostrictive material rod(MMR) is demonstrated theoretically and experimentally. Part of the high-birefringence fiber(HBF) is pasted onto the MMR which is placed in the central part of a solenoid. The HBFLM is used as the sensor head and the linear filter simultaneously. Part of the high-birefringence fiber(HBF) is pasted onto the MMR which is placed in the central part of a solenoid. The rod will have elastic lengthening along the direction of the magnetic field when the uniform magnetic field changes, which will lead to a change of transmission intensity of the HBFLM filter, thus the variation of the electric current can be determined via the laser wavelength within the quasi-linear transmission range of the HBFLM filter. The sensitivity reaches 0.0153/100mA, the resolution reaches 10mA. Comparing with the previous fiber-optic electric current sensor, it has nothing with the linear birefringence based on Faraday effects in the previous fiber-optic electric current sensor. Comparing with the expensive and complex FBG electric current, the sensing signal can be directly detected by a photodiode(PD) and complicated demodulation devices are avoidable. The advantages of the electric current include optical power detection, simple and smart structure, high sensitivity, low cost, and good repeatability, etc.

Proceedings Article | 21 November 2007

Novel force sensor based on a high-birefringence fiber loop mirror and a freely supported beam

Shuhong Li, Qida Zhao, Dong Bo, Tongqing Liao, Yinping Miao, Xiangye Zeng

Proceedings Volume 6781, 67810B (2007) https://doi.org/10.1117/12.743704

KEYWORDS: Sensors, Mirrors, Single mode fibers, Sensing systems, Temperature metrology, Lithium, Fiber Bragg gratings, Explosives, Fabrication, Refractive index

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A novel high-birefringence fiber loop mirror(HBFLM) force sensor based on a freely supported beam(FSB) is demonstrated theoretically and experimentally. Part of the high-birefringence fiber(HBF) is pasted onto the central surface of the FSB. The force is applied to the center of the FSB, which leads to the pre-demarcated wavelength shift of the transmission spectrum of the HBFLM. The sensitivity reaches 8.9N/nm, the resolution is 0.049N, and the linear measurement range is 0.049N~0.392N.There is a good linear relationship between the force and the wavelength shift. The advantages of the sensor include simple structure, high sensitivity, low cost, and good repeatability, etc.

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