Results 241 to 250 of about 138,061 (301)

Urban Water Leakage Detection System over Dark Fiber Networks Based on Distributed Acoustic Sensing and Sparse Autoencoders. [PDF]

Sensors (Basel)
Sharif V, Yao Y, Loayssa A, Sagues M.
europepmc   +1 more source

Towards lasing systems for distributed fibre sensing. [PDF]

Light Sci Appl
Thévenaz L.
europepmc   +1 more source

Flexible and Wearable Sensors-Design, Fabrication Methods, and Applications. [PDF]

Sensors (Basel)
Ding Y, Zhao T, Wang Z.
europepmc   +1 more source

A DAS-Based Multi-Sensor Fusion Framework for Feature Extraction and Quantitative Blockage Monitoring in Coal Gangue Slurry Pipelines. [PDF]

Sensors (Basel)
Ma C, Chai J, Zhang D, Zhu L, Li Z.
europepmc   +1 more source

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Optical Hole Sensing Using Fiber Optics

Applied Optics, 1966
An important application of fiber optics to data processing is to illuminate hole positions of punched-card reading-stations. In the IBM 59 Card Verifier, flexible incoherently oriented bundles are employed to provide a reliable, efficient, and practical method of sensing holes in punched cards.
W L, Stahl, R J, Potter
openaire   +2 more sources

Fiber optic chemical sensing

SPIE Proceedings, 2005
Monitoring of chemical species is important to a number of industrial and energy related industries. This paper presents a comparison of two fiber optic sensing schemes which are demonstrated for the detection of acetylene and carbon monoxide. The first sensor configuration utilizes the newly developed random hole optical fiber and detects gases ...
Gary Pickrell, Wei Peng, Bassam Alfeeli, Anbo Wang   +3 more
openaire   +1 more source