Title page for ETD etd-07152010-020256
|Type of Document
||Micro-optical fiber devices used with modal domain sensing
||Master of Science
|Claus, Richard O.
|Date of Defense
In order to develop more compact optical fiber sensing systems, modal filtering can be
performed in-line by using micro-optical devices. Two such devices are a laterally offset
few-moded optical fiber mechanical splice and a modal conversion optical fiber coupler.
A third device, the air-gap splice used with multimode fibers, can examine the modal
content of an optical fiber. A basic theoretical understanding on how these devices
operate is reviewed. A splice loss calculation for few-moded optical fibers is presented.
Applications of the asymmetrical few-moded mechanical optical fiber splice, the modal
conversion coupler, and the air-gap splice are discussed.
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