Title page for ETD etd-05102001-130942


Type of Document Master's Thesis
Author Paye, Corey
URN etd-05102001-130942
Title An Analysis of W-fibers and W-type Fiber Polarizers
Degree Master of Science
Department Engineering
Advisory Committee
Advisor Name Title
Stolen, Roger Hall Committee Chair
Jacobs, Ira Committee Member
Safaai-Jazi, Ahmad Committee Member
Keywords
  • fiber polarizers
  • W-fibers
  • optical fibers
  • fiber optics
Date of Defense 2001-04-27
Availability unrestricted
Abstract
Optical fibers provide the means for transmitting large amounts of data from one

place to another and are used in high precision sensors. It is important to have a good

understanding of the fundamental properties of these devices to continue to improve their

applications.

A specially type of optical fiber known as a W-fiber has some desirable properties

and unique characteristics not found in matched-cladding fibers. A properly designed W-

fiber supports a fundamental mode with a finite cutoff wavelength. At discrete

wavelengths longer than cutoff, the fundamental mode experiences large amounts of loss.

The mechanism for loss can be described in terms of interaction between the fiber™s

supermodes and the lossy interface at the fiber™s surface. Experiments and computer

simulations support this model of W-fibers.

The property of a finite cutoff wavelength can be used to develop various fiber

devices. Under consideration here is the fiber polarizer. The fiber polarizer produces an

output that is linearly polarized along one of the fiber™s principal axes. Some of the

polarizer properties can be understood from the study of W-fibers.

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