| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a heating detection method and apparatus for remotely detecting abnormal heating and its heated section by means of a simple and inexpensive arrangement. <P>SOLUTION: Abnormal heating and its heated section are remotely detected by means of a group of optical fibers comprising two or more kinds of optical fibers 12-1 to 12-N different in clad reflactive indexes, a light source 10, a polarizer 13, and a light receiving part 14. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
