Near-visible Raman instrumentation for remote multipoint process monitoring using optical fibers and optical multiplexing

1992 ◽  
Author(s):  
Thomas M. Vess ◽  
S. M. Angel
Keyword(s):  
Optical Fibers ◽  
Process Monitoring ◽  
Optical Multiplexing

Process Monitoring of Fiber-Reinforced Polymer Composites

MRS Bulletin ◽  
2002 ◽  
Vol 27 (5) ◽  
pp. 370-380 ◽  
Author(s):  
B. Degamber ◽  
G. F. Fernando
Keyword(s):  
Optical Fibers ◽  
Process Monitoring ◽  
Fiber Reinforced Polymer ◽  
Specific Reference ◽  
Monitoring Methods ◽  
Mid Infrared ◽  
Reinforced Polymer ◽  
Fiber Reinforced Polymer Composites ◽  
Uv Visible ◽  
Areas Of Interest

AbstractThis article presents a review of optical-fiber-based process-monitoring techniques that can be used to track the chemical reactions that take place during the processing of materials, with specific reference to thermosetting resins. The techniques covered include quantitative process-monitoring methods based on near and mid-infrared, Raman, UV–visible, evanescent wave, and fluorescence spectroscopy. The basis for refractive-index-based process monitoring using optical fibers is also presented. The techniques described here can be readily applied to other classes of materials and other areas of interest such as aging and degradation. Recent advances in noncontact process monitoring are also presented.

Functional versus schematic overview displays: Impact on operator situation awareness in process monitoring

2010 ◽  
Author(s):  
Anand Tharanathan ◽  
Jason Laberge ◽  
Peter Bullemer ◽  
Dal Vernon Reising ◽  
Rich McLain
Keyword(s):  
Process Monitoring ◽  
Situation Awareness ◽  
Functional Versus

User-friendly statistical concepts for process monitoring

1998 ◽  
Vol 49 (9) ◽  
pp. 976-985
Author(s):  
M Wood ◽  
N Capon ◽  
and M Kaye
Keyword(s):  
Process Monitoring ◽  
User Friendly

High-voltage monitoring by the fiber-optic recirculating measuring system

2020 ◽  
pp. 38-44
Author(s):  
A. V. Polyakov ◽  
M. A. Ksenofontov
Keyword(s):  
Optical Fibers ◽  
High Voltage ◽  
Optical Sensors ◽  
Electromagnetic Interference ◽  
Fiber Optic ◽  
Electric Power Industry ◽  
Measuring System ◽  
Voltage Range ◽  
External Electromagnetic Fields ◽  
Optic Communication

Optical technologies for measuring electrical quantities attract great attention due to their unique properties and significant advantages over other technologies used in high-voltage electric power industry: the use of optical fibers ensures high stability of measuring equipment to electromagnetic interference and galvanic isolation of high-voltage sensors; external electromagnetic fields do not influence the data transmitted from optical sensors via fiber-optic communication lines; problems associated with ground loops are eliminated, there are no side electromagnetic radiation and crosstalk between the channels. The structure and operation principle of a quasi-distributed fiber-optic high-voltage monitoring system is presented. The sensitive element is a combination of a piezo-ceramic tube with an optical fiber wound around it. The device uses reverse transverse piezoelectric effect. The measurement principle is based on recording the change in the recirculation frequency under the applied voltage influence. When the measuring sections are arranged in ascending order of the measured effective voltages relative to the receiving-transmitting unit, a relative resolution of 0,3–0,45 % is achieved for the PZT-5H and 0,8–1,2 % for the PZT-4 in the voltage range 20–150 kV.

POF — Polymer Optical Fibers for Data Communication

2002 ◽  
Author(s):  
Werner Daum ◽  
Jürgen Krauser ◽  
Peter E. Zamzow ◽  
Olaf Ziemann
Keyword(s):  
Optical Fibers ◽  
Data Communication ◽  
Polymer Optical Fibers

Measurement Sites for Wafer Map Visualization and Process Monitoring

2010 ◽  
Vol 130 (11) ◽  
pp. 1987-1993
Author(s):  
Makoto Ono ◽  
Hirohito Hayashi ◽  
Akira Kondo ◽  
Daisuke Hamaguchi ◽  
Shun'ichi Kaneko
Keyword(s):  
Process Monitoring ◽  
Map Visualization

Heating and Burning of Optical Fibers and Cables by Light Scattered from Bubble Train Formed by Optical Fiber Fuse

2012 ◽  
Vol E95.B (8) ◽  
pp. 2638-2641 ◽  
Author(s):  
Makoto YAMADA ◽  
Akisumi TOMOE ◽  
Takahiro KINOSHITA ◽  
Osanori KOYAMA ◽  
Yutaka KATUYAMA ◽  
...  
Keyword(s):  
Optical Fiber ◽  
Optical Fibers
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