Opto-Mechanical Considerations For Laser-Fiber Coupling And Packaging

J. Lipson; R. T. Ku; R. E. Scotti

doi:10.1117/12.949255

14 February 1986 Opto-Mechanical Considerations For Laser-Fiber Coupling And Packaging

J. Lipson, R. T. Ku, R. E. Scotti

Proceedings Volume 0554, 1985 International Lens Design Conference; (1986) https://doi.org/10.1117/12.949255
Event: 1985 International Lens Design Conference, 1985, Cherry Hill, United States

Abstract

A comprehensive review is given, of the lens options available to the designer, for coupling semi-conductor lasers to single mode fiber. Various arrangements are considered, including microlenses formed directly on tapered fibers, and designs based on one, or more discrete lenses. The optical and mechanical advantages of the different approaches are compared. The highest coupling efficiencies are shown to be obtained, when high index materials are used in the first lens. A new design, based on a Si lens, in a confocal arrangement, is presented. A coupling efficiency of 70% is reported. Different means of bonding the critical alignments, including cementing, soldering, and laser welding are discussed.

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J. Lipson, R. T. Ku, and R. E. Scotti "Opto-Mechanical Considerations For Laser-Fiber Coupling And Packaging", Proc. SPIE 0554, 1985 International Lens Design Conference, (14 February 1986); https://doi.org/10.1117/12.949255

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