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Two Main Types of Optical Sensors (2)

Properties of Fiber Optic Sensing .

Highly sensitive (more than other technologies)

- Configuration versatility - point and distributed configurations possible

- Dielectric construction (can be used with high voltages, high temperatures, and stressed environments)

- Wide dynamic range

- Multiplexing capabilities

- Freedom from electromagnetic interface (fibers carry no current)

- Chemically passive

- Provide real-time feedback

- Resistant to corrosion

- Multi point measurement (intrinsic sensors) or specific location sensing (extrinsic sensors)

- Ability to measure a wide range of different properties (wide range of applications)

- High resistance to extreme environments due to their robustness and immunity to both electromagnetic and radio frequency interference (intrinsic sensors).

- They do not conduct electricity which means that the measurements are not easily affected by external causes (intrinsic sensors).

- Extremely small size

- Remotely powered

- Ability to measure direct physical strain.

- Sensors can placed upon the optic fiber

August 16, 2011
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