Keywords

Interferometers, Optical detectors

Abstract

A system has been developed to accurately detect phase produced in optical interferometric sensors. The system employs optical heterodyning and synchronously detects optical phase by feeding back an error signal to a phase modulator in the reference leg of the interferometer. This system is seen to have properties similar to a phase-locked loop used for the demodulation of FM signals. The system is modeled and found to be of second order and nonlinear. A linear approximation to the original model serves to accurately describe the system in synchronous operation and is corroborated with well matched empirical data. The nonlinear model is simulated via computer techniques and is used to describe the system's parameters that lead to loss and reacquisition of synchronization.

Notes

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Graduation Date

Fall 1981

Advisor

Phillips, Ronald L.

Degree

Master of Science (M.S.)

College

College of Engineering

Degree Program

Engineering

Format

PDF

Pages

115 p.

Language

English

Rights

Public Domain

Length of Campus-only Access

None

Access Status

Masters Thesis (Open Access)

Identifier

DP0013431

Accessibility Status

Searchable text

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Included in

Engineering Commons

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