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Steel rock-bolt with inclined sensors for measurement of high strain: compressed (19°) neutral (28°) Application of Fiber Grating Sensor Systems Civil Engineering & Tunnels stressed FBG (40°) Rock bolt test facility of Ruhrkohle AG ..20% strain ..500kN tensile force Partners: GESO Jena Ruhrkohle AG FOS - 74
Rock-bolt with fiberoptic strain sensors Amplitude [a.u.] 0,3 0,2 0,1 0,0 -0,1 -0,2 Application of Fiber Grating Sensor Systems Geotechnical Exploration & Mining -0,3 0 20 40 60 80 100 Time [ms] Strain wave measurement at test blasting in a mine (seismic tomography for geophysical exploration) Transversal "S" waves Amplitude [a.u.] 0,8 0,6 0,4 0,2 Silver Mine „Old Elisabeth“ (Saxonia, 200m) Results: Time response Frequency response "P" wave 0,0 0 500 1000 1500 2000 2500 Frequency (Hz) Longitudinal "P" wave Partners: IPHT Jena GFZ Potsdam GESO Jena FOS - 75
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Fachhochschule Jena Fachbereich ET/
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Komponenten faseroptischer Sensoren
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Mikromechanische Silizium-Komponent
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Advantages of Optical Fiber Sensors
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Basic Fiber Sensor Configurations S
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Optical Fiber Sensors: Measurands
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Optical Fiber Sensors: Basic Signal
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Principle of Reflective Displacemen
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Application: Medical In-vivo Brain
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Fiber-Optic Medical In-vivo Heart P
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Technical Micro-Bending Fiber-Optic
Page 23 and 24: Optical Fiber Sensor Systems and th
Page 25 and 26: Porous Transducer Layers on Fiber E
Page 27 and 28: T-sensitive Transducer Layers: Temp
Page 31 and 32: Schema: Fa. Asea Photolumineszenz-T
Page 33 and 34: Transmissivity UV Fiber Evanescent
Page 35 and 36: Fiber-Optic UV Absorption Sensing o
Page 37 and 38: Spectral In-situ Nutrient Analysis
Page 39 and 40: Laser Principle of Michelson Interf
Page 41 and 42: Application of Fiber-Optic Interfer
Page 43 and 44: Scheme of Fiber-Optic 3-Axes Seismi
Page 45 and 46: Seismic Sensing: Measurement Exampl
Page 47 and 48: Measurand: Extrinsic Fiber-Optic Fa
Page 49 and 50: Fiber-Optic Sagnac Interferometer G
Page 51 and 52: Bias stability < 1 °/h Noise < 10
Page 53 and 54: Polarimetrischer Stromsensor (Magne
Page 55 and 56: Distributed Fiber-Optic Sensor Syst
Page 59 and 60: Talbot-Interferometer Beam splitter
Page 61 and 62: FBG Sensor System: Basic Configurat
Page 63 and 64: Optical Fiber Grating Sensor System
Page 65 and 66: Einsatzbeispiele faseroptischer Sen
Page 67 and 68: FBG Sensor Systems: Applications in
Page 69 and 70: Application of Fiber Grating Sensor
Page 71 and 72: Application of Fiber Grating Sensor
Page 73: Force [N] 600 400 200 0 Application
Page 77 and 78: FBG Evanescent-Field Chemical Sensi
Page 81 and 82: absorbance [dBm -1 ] Photonic Cryst
Page 83 and 84: FBG Plasmon Biosensing Using Metall
Page 85 and 86: Optical Fiber Sensors: Applications
Page 87 and 88: Fiber Optic Sensor Market Developme
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