A Single Mode Optical Rotary Joint Utilizing Expanded Beam Optics

Michael L. Rowman; Patrick T. Estenes; T. R. Joseph; X. G. Glavas

doi:10.1117/12.937663

14 January 1987 A Single Mode Optical Rotary Joint Utilizing Expanded Beam Optics

Michael L. Rowman, Patrick T. Estenes, T. R. Joseph, X. G. Glavas

Proceedings Volume 0722, Components for Fiber Optic Applications; (1987) https://doi.org/10.1117/12.937663
Event: Cambridge Symposium-Fiber/LASE '86, 1986, Cambridge, MA, United States

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.

Citation Download Citation

Michael L. Rowman, Patrick T. Estenes, T. R. Joseph, and X. G. Glavas "A Single Mode Optical Rotary Joint Utilizing Expanded Beam Optics", Proc. SPIE 0722, Components for Fiber Optic Applications, (14 January 1987); https://doi.org/10.1117/12.937663

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