표제지
감사의 글
목차
Abstract 10
연구사 11
I. 서론 12
1. 연구배경과 목적 12
2. 연구 동향 13
3. 연구 범위와 방법 17
II. 광섬유 센서의 원리 및 종류 18
1. 광섬유 센서의 원리 18
2. 광섬유 센서의 분류 20
3. 광섬유 센서의 종류 30
III. 모형보 실험 33
1. 실험개요 33
2. 데이터 측정 35
IV. 측정 데이터 분석 52
1. 광도-처짐의 회귀곡선식 52
2. 광도-하중의 회귀곡선식 53
3. 광도-변형률의 회귀곡선식 54
V. 결론 55
References 56
Table 1. Material and diameter of fiber optics 20
Table 2. 1st test result 35
Table 3. 2nd test result 37
Table 4. 3rd test result 38
Table 5. 4th test result 39
Table 6. 5th test result 40
Table 7. 6th test result 41
Table 8. 7th test result 42
Table 9. 8th test result 43
Table 10. 9th test result 44
Table 11. 10th test result 45
Fig. 1. Schema of fiber optic composition 18
Fig. 2. Principal of total reflection 19
Fig. 3. Type of fiber optics for measurement range 21
Fig. 4. OTDR(Optical Time Domain Reflectometry) sensor 22
Fig. 5. Micro-bend type fiber optics sensor 23
Fig. 6. Schema of MachZenhnder interference sensor 25
Fig. 7. Schema of Michelson interference sensor 26
Fig. 8. signal transmission process of Fabry- Perot interference sensor 27
Fig. 9. Organization of FBG 28
Fig. 10. Micro-bend type 31
Fig. 11. Load-optical measure 46
Fig. 12. Load-strain measure 47
Fig. 13. Load-displacement measure 48
Fig. 14. Deflection-optical analysis 49
Fig. 15. Load-optical analysis 50
Fig. 16. Strain-optical analysis 51
Fig. 17. Deflection-optical fitting curve 52
Fig. 18. Deflection-optical fitting curve 53
Fig. 19. Deflection-optical fitting curve 54
Photo. 1. Model beams 33
Photo. 2. Optical sending and receiver 34
Photo. 3. Testing view 34