Journal
JOURNAL OF LASER MICRO NANOENGINEERING
Volume 8, Issue 1, Pages 110-114Publisher
JAPAN LASER PROCESSING SOC
DOI: 10.2961/jlmn.2013.01.0021
Keywords
atomic power plants; seismic safety; high-temperature environment; fiber Bragg grating; point-by-point method; carbon fiber
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A fiber Bragg grating (FBG) sensor with heat resistance was produced via a point microfabrication technique using a femtosecond pulse laser. The FBG sensor was reinforced by weaving with a carbon fiber tape. As a result, both high strength and a structure for mounting the sensor were readily incorporated. In a high-temperature tolerance evaluation of the FBG sensor, the temperature and strain were measured by the sensor at 600 degrees C. Therefore, the sensor is effective, and in addition, the problems associated with mounting the sensor on high-temperature piping have been eliminated.
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