A fibre-optic thermometric sensor based on the thermo-optic effect of titanium dioxide coatings

被引：5

作者：

Inci, MN ^{[1
]}

Barton, JS ^{[1
]}

Jones, JDC ^{[1
]}

机构：

[1] HERIOT WATT UNIV,DEPT PHYS,DIV OPTOELECT & LASER ENGN,EDINBURGH EH14 4AS,MIDLOTHIAN,SCOTLAND

来源：

OPTICS AND LASER TECHNOLOGY | 1997年 / 29卷 / 03期

关键词：

titanium; fibre-optics; sensors;

D O I：

10.1016/S0030-3992(96)00055-2

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An experimental determination of the thermo-optic effect of titanium dioxide is described in which the test element is a thin film deposited onto the end face of an optical fibre. The film acts as an etalon, The reflectivity of titanium dioxide films was measured as a function of temperature experimentally over the range 20 degrees C to 500 degrees C, and modelled theoretically to yield a value of the thermo-optic coefficient of -1.49 x 10(-4) K-1. The use of the data in the design of a thin-film optical fibre temperature sensor is described. (C) 1997 Elsevier Science Ltd.

引用

页码：121 / 124

页数：4

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