Results 241 to 250 of about 136,205 (300)

The stress-strain analysis of the entire construction process of underground diaphragm wall based on self-sensing FRP bar monitoring. [PDF]

Sci Rep
Li J, Shi Q, Xu S, Sun K, Liu Y.
europepmc   +1 more source

A Cylindrical High-Temperature-Resistant Fiber-Optic Composite Sensor for Temperature and Pressure Measurement. [PDF]

Sensors (Basel)
Zhang S, Liu Q, Liu J, Guo J, Li R.
europepmc   +1 more source

Emerging frontiers in SERS-integrated optical waveguides: advancing portable and ultra-sensitive detection for trace liquid analysis. [PDF]

Light Sci Appl
Gao D, Liu J, Liu X, He K, Ma Z, Liu H, Wang J, Zhang Q, Huang Z, Luo M, Meng H, Du R, Gao J, Wu Q, Yang X.   +14 more
europepmc   +1 more source

Dual-resonance optical fiber lossy mode resonance refractive index sensor. [PDF]

PLoS One
Wu X, Dai X, Wang J, Ren H, Wang X.
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

Optical Fiber Sensing Solutions

2017
Optical fibers have revolutionized communications industry and since the early 1970s have become the communications medium of choice for telephones, Internet, cable television, security cameras, utility, and industrial networks. Enormous information transmission capacity of the optical fibers combined with additional advantages, such as low losses ...
Yuliya Semenova, Gerald Farrell
openaire   +2 more sources

Chemical sensing with microbent optical fiber

Optics Letters, 2001
We propose and demonstrate the possibility of using a permanently microbent bare optical fiber for detecting chemical species. Two detection schemes, viz., a bright-field detection scheme (for the core modes), and a dark-field detection scheme (for the cladding modes) have been employed to produce a fiber-optic sensor.
T L, S, N A, George, P, Sureshkumar, P, Radhakrishnan, C P, Vallabhan, V P, Nampoori   +5 more
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innoFSPEC: fiber optical spectroscopy and sensing

SPIE Proceedings, 2008
innoFSPEC Potsdam is presently being established as in interdisciplinary innovation center for fiber-optical spectroscopy and sensing, hosted by Astrophysikalisches Institut Potsdam and the Physical Chemistry group of Potsdam University, Germany. The center focuses on fundamental research in the two fields of fiber-coupled multi-channel spectroscopy
Roth, Martin M., Löhmannsröben, Hans-Gerd (Prof. Dr.), Kelz, A., Kumke, Michael Uwe (PD Dr.)   +3 more
openaire   +2 more sources