Accurate remote distance sensing by use of low-coherence interferometry: an industrial application

被引：11

作者：

Giniunas, L

Karkockas, R

Danielius, R

机构：

[1] Vilnius State Univ, Ctr Laser Res, LT-2040 Vilnius, Lithuania

[2] Kaunas Univ Technol, Dept Comp Engn, LT-3031 Kaunas, Lithuania

来源：

APPLIED OPTICS | 1998年 / 37卷 / 28期

关键词：

D O I：

10.1364/AO.37.006729

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An apparatus for accurate remote distance sensing based on fiber-optic low-coherence light interferometry has been designed for molten glass level measurement. We demonstrate operation of the meter in an adverse industrial environment with <20-mu m resolution (standard deviation) within a 20-mm range with the sensing head placed in an oven at similar to 800 degrees C. In laboratory conditions we were able to measure with 3-mu m resolution, which could be improved to submicrometer level by optimization of a reference arm of the interferometer and detection electronics. (C) 1998 Optical Society of America.

引用

页码：6729 / 6733

页数：5

共 15 条

[1] Rapid and scalable scans at 21 m/s in optical low-coherence reflectometry [J].