Title page for ETD etd-10102009-020314
|Type of Document
||Fogg, Brian Russell
||Weighted sensitivity optical fiber sensors : theory and applications
||Master of Science
|Claus, Richard O.
|Murphy, Kent A.
|Shaw, John Kenneth
|Date of Defense
The polarimetric behavior of conventional dual mode, elliptical-core, optical fiber
sensors is investigated. To compliment the experimental results, a novel linearly
polarized modal analysis of elliptical-core geometries is performed. The method
numerically finds solutions of a waveguide equation described by Mathieu
differential equations. To move beyond conventional dual mode fiber sensing
applications, selected placement of the dual mode fiber endpoints upon a flexible
structure is investigated. Modal filtering behavior will result if the endpoints are
chosen to span two antinodes of the underlying structure. To truly achieve
signal processing capabilities, spatially weighting the sensitivity of the sensor
becomes necessary. Experimental results are described and future applications are proposed.
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