Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chuji Wang0
Date of Patent
July 10, 2007
0Patent Application Number
109600750
Date Filed
October 8, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A novel fiber ringdown (FRP) pressure sensor is provided for measuring extremely high pressures under extreme environmental conditions of cold and heat. Pressure measurements are achieved in a time domain by measuring ringdown times of emitted light through the fiber optic loop of the device. The novel FRP sensor can include a light source, such as a diode laser light source, two 2×1 fiber couplers, a section of fused silica single mode fiber, a photodetector, and an electronic control. The novel FRP sensor's performance in the areas of stability, reproducibility, dynamic range, and temperature tolerance are far above those of conventional sensors.
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