Optical fiber based surface sensing system that enables...

Details Optical fiber based surface sensing system that enables... Optical fiber based surface sensing system that enables...

2006-12-26

2006-12-26

Healy, Brian M. (Department: 2883)

Optical waveguides

Optical waveguide sensor

C385S088000, C385S038000, C250S227110, C250S227140, C250S227180, C398S079000, C398S082000

Reexamination Certificate

active

07155077

ABSTRACT:
A surface sensing system including at least two sensors located on the end of the same optical fiber. The sensors are configured such that they exhibit resonant frequencies or Q-factors that are distinguishable from each other, where the Q-factor is defined as the resonant frequency divided by the resonance spectrum at full-width half maximum (FWHM). Because the sensors have distinguishable resonant frequencies or Q-factors and are located on the end of the same optical fiber, they can be monitored in parallel with little or no optical interference.

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