Date Approved


Degree Type

Open Access Thesis

Degree Name

Master of Science (MS)

Department or School

Physics and Astronomy

Committee Member

Ernest Behringer

Committee Member

Marshall Thomsen

Committee Member

Eric Paradis


This project is focused on the construction of an optical fiber strain gauge that is based on a strain gauge described by Butter and Hocker. Our gauge is designed to generate an interference pattern from the signals carried on two bare single-mode fibers that are fastened to an aluminum cantilever. When the cantilever experiences flexural stress, the interference pattern should change. By observing this change, it is possible to determine the strain experienced by the cantilever. I describe the design and construction of our optical fiber strain gauge as well as the characterization of different parts of the apparatus.