Figure 3. Different types of optical fibers.
3. Fiber Optic Sensor Principles
The general structure of an optical fiber sensor system is
shown in Figure 4. It consists of an optical source (Laser,
LED, Laser diode etc), optical fiber, sensing or modulator
element (which transduces the measurand to an optical
signal), an optical detector and processing electronics
(oscilloscope, optical spectrum analyzer etc).
Figure 3. Different types of optical fibers.3. Fiber Optic Sensor PrinciplesThe general structure of an optical fiber sensor system isshown in Figure 4. It consists of an optical source (Laser,LED, Laser diode etc), optical fiber, sensing or modulatorelement (which transduces the measurand to an opticalsignal), an optical detector and processing electronics(oscilloscope, optical spectrum analyzer etc).
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