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Proceedings Paper

A Single Mode Optical Rotary Joint Utilizing Expanded Beam Optics
Author(s): Michael L. Rowman; Patrick T. Estenes; T. R. Joseph; X. G. Glavas
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Paper Abstract

The development of a single mode optical rotary joint based on expanded beam technology is described. The trade offs of expanded beam versus butt coupling design are discussed and the loss mechanisms for the two approaches are summarized. A V-groove and ball bearing alignment technique utilized to orient the two halves of the rotary joint is described and mechanical tolerances for it are summarized. This design is shown to yield < 2.0 dB ± .5 dB total loss in rotation with improved performance expected as assembly techniques are improved.

Paper Details

Date Published: 14 January 1987
PDF: 9 pages
Proc. SPIE 0722, Components for Fiber Optic Applications, (14 January 1987); doi: 10.1117/12.937663
Show Author Affiliations
Michael L. Rowman, TRW Electro-Optics Research Center (United States)
Patrick T. Estenes, TRW Electro-Optics Research Center (United States)
T. R. Joseph, TRW Electro-Optics Research Center (United States)
X. G. Glavas, TRW Electro-Optics Research Center (United States)


Published in SPIE Proceedings Vol. 0722:
Components for Fiber Optic Applications
Vincent J. Tekippe, Editor(s)

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