Modelling Light Transmission in a Fiber-Optical Reflection System

Light transmission in the reflection fiber system, located in ex- ternal optical media, has been investigated for applicatio n as sensors. The system was simulated by different models, including external cavity param- eters such as the distance between light emitting and receiving fibers and mirror positioning distance. The sensitivity to a linear di splacement of the sensors was studied as a function of the distance between the tips of the light emitting fiber and the center of the pair reflected light colle cting fibers, by positioning a mirror. Physical fundamentals and operating principles of the advanced fiber optical sensors were revealed.