Keywords

Fiber optics

Abstract

An analysis of modal noise in multimode optical fibers was performed. Both spatial and time varying modal noises were analyzed. The time varying modal noise was g.enerated in two ways: the first, by vibrating the optical fiber, the second, by varying the temperature of the optical fiber. Under controlled conditions the temperature of the optical fiber varied between 68°F to 200°F while the fiber was held stationary. The optical fiber was then vibrated while the temperature was held constant. Data indicated that the modal noise statistics agreed with the Beta distribution. The statistics of the spatial modal noise were measured and were then compared to the time varying modal noise. These statistical moments disagreed with the Beta statistics. This indicated that modal noise generated in optical fibers is possibly a non-ergodic process. Next the optical fiber's spatial auto-correlation function and spatial intensity fade statistics were computed.

Notes

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Graduation Date

1983

Semester

Spring

Degree

Master of Science (M.S.)

College

College of Engineering

Format

PDF

Pages

117 p.

Language

English

Rights

Public Domain

Length of Campus-only Access

None

Access Status

Masters Thesis (Open Access)

Identifier

DP0025751

Subjects

Fiber optics

Accessibility Status

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