potential integration into the robot. The main component of the FPI is the sensing cavity, measuring 15.8μm wide.
A glass capillary covering the sensing region is fusion welded to the fiber in two locations and encapsulates the sensor. There is an air gap of approximately 100.5 μm wide. The total length of the FPI sensor, including the glass capillary, and bare fiber is approximately 20mm. Besides immune to electromagnetic and RF signal and substantially cheaper than FBG, the advantages of this sensor includes: 1) static/dynamic response capability, 2) high sensitivity and resolution, 3) no interference due to cable bending and 4) robust to a large range of temperature variation (−40◦ ∼250◦ ) due to air gap insulation to the sensing region
potential integration into the robot. The main component of the FPI is the sensing cavity, measuring 15.8μm wide.A glass capillary covering the sensing region is fusion welded to the fiber in two locations and encapsulates the sensor. There is an air gap of approximately 100.5 μm wide. The total length of the FPI sensor, including the glass capillary, and bare fiber is approximately 20mm. Besides immune to electromagnetic and RF signal and substantially cheaper than FBG, the advantages of this sensor includes: 1) static/dynamic response capability, 2) high sensitivity and resolution, 3) no interference due to cable bending and 4) robust to a large range of temperature variation (−40◦ ∼250◦ ) due to air gap insulation to the sensing region
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