Application of a Temperature-Compensating FBG Sensor to Strain Measurement |
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| Journal | Advanced Materials Research (Volumes 26 - 28) |
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| Volume | Advanced Materials and Processing |
| Edited by | Young Won Chang, Nack J. Kim and Chong Soo Lee |
| Pages | 1089-1092 |
| DOI | 10.4028/www.scientific.net/AMR.26-28.1089 |
| Citation | Dal Woo Jung et al., 2007, Advanced Materials Research, 26-28, 1089 |
| Online since | October, 2007 |
| Authors | Dal Woo Jung, Il Bum Kwon, Nak Sam Choi |
| Keywords | Electrical Resitance Strain Gage, Mechanical Strain, Temperature Compensating Double FBG Sensor, Thermal Strain |
| Abstract | A temperature-compensating fiber Bragg grating(FBG) sensor having two different FBGs in one fiber line was applied to the real time measurement of mechanical normal strain in structures. Measurement of mechanical strains of the aluminum beam surface by the double FBG sensor was performed under various thermal conditions, which was compared with results of electrical resistance strain gage. The FBG sensor fabricated in this study could detect accurately values of mechanical strains without containing any thermal strain component. |
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