LIQUID-LEVEL SENSOR WITH OPTICAL FIBERS

被引：64

作者：

IWAMOTO, K ^{[1
]}

KAMATA, I ^{[1
]}

机构：

[1] TOSHIBA CO LTD,HAMAKAWASAKI WORKS,KAWASAKI KU,KAWASAKI 210,JAPAN

来源：

APPLIED OPTICS | 1992年 / 31卷 / 01期

关键词：

LIQUID-LEVEL SENSOR; OPTICAL FIBER;

D O I：

10.1364/AO.31.000051

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A liquid-level sensor, consisting of three optical fibers, is described. A light is projected onto an oil surface through a transmitting fiber. A receiving fiber picks up the light reflected from the oil surface. A reference fiber transmits the light from a light-emitting diode back and forth along the same path as that of the transmitting fiber and the receiving fiber. Division is accomplished by using the reflected signal and the reference signal, so it becomes possible to eliminate apparent distance variations that are due to the variations in light intensity, which may be caused by external forces and temperature changes. The distance range is 100 mm.

引用

页码：51 / 54

页数：4

共 6 条

[1] LIGHT-REFLECTION LIQUID-LEVEL SENSOR [J].

AZZAM, RMA .

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, 1980, 29 (02) :113-115

[2]

Dakin J. P., 1983, First International Conference on Optical Fibre Sensors, P91

[3] PRESSURE SENSOR USING OPTICAL FIBERS [J].

IWAMOTO, K ;

KAMATA, I .

APPLIED OPTICS, 1990, 29 (03) :375-378

[4]

Jackson D. A., 1983, First International Conference on Optical Fibre Sensors, P100

[5]

SHARMA M, 1980, FIBER OPTICS COMMUNI, V224, P46

[6]

Spenner K., 1983, First International Conference on Optical Fibre Sensors, P96

← 1 →