Zobrazeno 1 - 9
of 9
pro vyhledávání: '"B. C. B. Chu"'
Publikováno v:
Review of Scientific Instruments. 67:553-557
A comparative experimental study on the effect of the vibration of an optical fiber lead in an optical current measurement system has been made with the use of a polarimeter. The experimental results obtained have shown that both the depolarization e
Publikováno v:
Measurement Science and Technology. 4:1187-1193
The design and performance of an optical current comparator based upon a triangular shaped bulk glass sensing element are presented. The effect of the Faraday rotation produced in the sensing element by an unknown large current is annulled by a small
Publikováno v:
Sensors and Actuators A: Physical. :571-576
The design and performance of an optical current comparator based upon a triangular-shaped bulk glass sensing element are presented. The effect of the Faraday rotation produced in the sensing element by an unknown large current is nulled by a smaller
Publikováno v:
Optics letters. 17(16)
A new triangular topology for a bulk-optic Faraday current sensor is presented with a demonstrated resolution of 20 mA/ radicalHz over a measurement range of 1 to 3000 A. The sensitivity of the system is 2.35 x 10(-5)rad/A. This sensor is relatively
Publikováno v:
Optics letters. 16(18)
A new approach to the measurement of large currents at high potential is presented in which the output signal from a conventional current transformer is measured by transducing the voltage developed across the transformer secondary into phase modulat
Publikováno v:
SPIE Proceedings.
A new triangular topology for a bulk optic Faraday current sensor is presented with a demonstrated resolution of 2OniA/'Jll over a measurement range from 1 to 3000 A. The sensitivity of the system was2.35 x 1O- rad/A. This sensor is relatively easy t
Publikováno v:
SPIE Proceedings.
A theoretical analysis showing the evolution of the state of polarization of the light inside a bulk optic Faraday current sensor is presented. Factors affecting the performance of the device, such as the azimuth of the input state; angle of incidenc
Publikováno v:
Fiber-Optic Metrology and Standards.
Fiberoptic systems based upon two different forms of miniature Fabry-Perot interferometer have been developed to measure the oscillatory motion generated in a commercially available vortex shedder flow meter. The results of a comparative study of the
Publikováno v:
Applied Optics. 34:1262
We report on the operation and performance of a matrix array topology for multiplexing reflective interferometric sensors that uses (a) frequency-division multiplexing (FDM) and (b) a combination of frequency-division and time-division multiplexing.