Results 141 to 150 of about 152,908 (179)

High-Sensitive All-Fiber Fabry-Perot Interferometer Gas Refractive Index Sensor Based on Lateral offset Splicing and Vernier Effect

International Conference on Optical Communications and Networks, 2019
A high-sensitivity all-fiber Fabry-Perot interferometer (FPI) gas refractive index (RI) sensor based on lateral offset splicing and Vernier Effect is proposed. The sensing head consist of a reference FPI and a sensing FPI. A reference FPI and the sensing
Yuxin Zhao, Jiuxing Jiang, Yuqiang Yang, Yongguang Wang, Jianda Lu, Liu Jiacheng   +5 more
semanticscholar   +1 more source

High sensitivity temperature sensor based on fiber air-microbubble Fabry-Perot interferometer with PDMS-filled hollow-core fiber

Sensors and Actuators A-Physical, 2018
A miniature and highly sensitive optic fiber temperature sensor using a PDMS-filled air-microbubble Fabry-Perot (FP) interferometer (PAFPI) in a hollow-core fiber (HCF) is proposed.
Mao-qing Chen, Yong Zhao, Feng Xia, Yun Peng, Rui-jie Tong   +4 more
semanticscholar   +1 more source

Ultrasound sensing based on an in-fiber dual-cavity Fabry-Perot interferometer.

Optics Letters, 2019
Highly sensitive and broadband ultrasound (tens of megahertz) detectors can extend the capabilities of photo-acoustic imaging in biomedical application and nondestructive test inspection.
H. Fan, Liang Zhang, Song Gao, Liang Chen, X. Bao   +4 more
semanticscholar   +1 more source

Fiber-optic Fabry-Perot interferometer based high sensitive cantilever microphone

Sensors and Actuators A-Physical, 2018
We demonstrate a high sensitive cantilever microphone based on fiber-optic Fabry-Perot interferometer. A stainless steel cantilever is manufactured by laser micro-machining technique. The size of the cantilever is 2 mm × 1 mm, and the thickness is 10 μm.
Ke Chen, Z. Gong, M. Guo, Shaochen Yu, Chao Qu, Xinlei Zhou, Q. Yu   +6 more
semanticscholar   +1 more source

Fabry–Perot Interferometer-Based Absolute Pressure Sensor With Stainless Steel Diaphragm

IEEE Sensors Journal, 2019
In this paper, we discuss the design, fabrication, and testing of an external Fabry–Perot interferometer (EFPI)-based absolute type fiber optic pressure sensor of range 0–50 mbar.
S. Ghildiyal, Prabhat Ranjan, Shivam Mishra, R. Balasubramaniam, J. John   +4 more
semanticscholar   +1 more source

High-sensitivity Fabry-Perot interferometer temperature sensor probe based on liquid crystal and the Vernier effect.

Optics Letters, 2018
A novel high-sensitivity Fabry-Perot (FP) interferometer temperature sensor based on liquid crystals (LCs) and the Vernier effect is proposed and demonstrated in this Letter.
Feiru Wang, Yongjun Liu, Yuelan Lu, Lingli Zhang, Ji Ma, Lei Wang, Weimin Sun   +6 more
semanticscholar   +1 more source

Temperature-Insensitive Vibration Sensor With Kagomé Hollow-Core Fiber Based Fabry–Perot Interferometer

Journal of Lightwave Technology, 2019
Based on Fabry–Perot interferometer, an all-fiber temperature-insensitive vibration sensor using a Kagomé hollow-core photonic crystal fiber, is investigated.
Haihu Yu, Zhuozhao Luo, Yu Zheng, Jian Ma, Zhengying Li, Xin Jiang   +5 more
semanticscholar   +1 more source

Volatile Organic Compound Sensor Based on PDMS Coated Fabry–Perot Interferometer With Vernier Effect

IEEE Sensors Journal, 2019
A novel volatile organic compound (VOC) sensor based on poly (dimethylsiloxane) (PDMS) coated Fabry–Perot interferometer (FPI) with Vernier effect was experimentally demonstrated.
Chun-liu Zhao, Fei Han, Yina Li, Bangning Mao, Juan Kang, Changyu Shen, Xinyong Dong   +6 more
semanticscholar   +1 more source

Liquid-crystal based Fabry-Perot interferometer displacement sensor.

Applied Optics, 2019
A Fabry-Perot interferometer displacement sensor is proposed and demonstrated. This sensor is prepared by inserting two ceramic ferrules into a polydimethylsiloxane (PDMS) hose to generate a Fabry-Perot cavity.
Boyi Song, Jianyang Hu, Chunli Xia, Hai Zhang, Yuelan Lu, Weimin Sun, Yongjun Liu   +6 more
semanticscholar   +1 more source

High-sensitivity strain sensor with an in-fiber air-bubble Fabry-Perot interferometer

Applied Physics Letters, 2018
We present a laser machining method for fabricating an all-fiber pillar-in-bubble Fabry-Perot interferometer (FPI), which is used for strain sensors with high sensitivity. The micro-structure of the air-bubble is fully controllable, especially the cavity
Kun Zhou, Ming-Zhong Ai, Zhong-hua Qian, Xin-Xia Gao, Zhi Hu, Qiang Li, L. Yuan, Zhao Wang, Yun-Feng Huang, T. Tu, Jinming Cui, Chuan‐Feng Li, G. Guo   +12 more
semanticscholar   +1 more source