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
收藏
页码：121 / 124
页数：4
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