Manufacture of heat-resistant FBG by femto-second laser processing for high temperature structure surveillance

Shimada, Yukihiro; Nishimura, Akihiko ; Masuzumi, Takashi; Tsukimori, Kazuyuki

The FBG (Fiber Bragg Grating) sensor already put in practical use as a method of carrying out the monitoring of modification of a structure and the vibration has a fault in which the durability under high temperature environment is inferior. In order to conquer this fault, we performed the micro fabrication in the silica optical fiber by femtosecond laser, and created a heat-resistant periodic refractive-index structure.

Language	:	Japanese
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Meeting title	:	第70回レーザ加工学会講演会
Held date	:	2008/05
Location (city)	:	吹田
Location (country)	:	日本
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Keywords	:	no keyword
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Registration No. : BB20080690
JAEA Abstracts No. :
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