Optical waveguides – With optical coupler – Particular coupling structure
Patent
1994-12-16
1996-01-09
Ullah, Akm E.
Optical waveguides
With optical coupler
Particular coupling structure
385147, G02B 600, G02B 636
Patent
active
054836107
ABSTRACT:
A device for tapping an optical fiber is adapted to engage a fiber supporting structure, such as a tray, having an aperture therein and a fiber passing over the aperture, the fiber tray and the clip-on device having a 3-point, nested contact which essentially restricts all relative movement between the tray and the device in the contact plane, providing improved repeatability in the positioning of the optical fiber in the head of the device, and thus improving repeatability of the optical measurements. A similar 3-point, nested contact may be used to align a mandrel housing with a fiber guide in the head, prior to a mandrel engaging the optical fiber. The mandrel housing is slidably received in a cylinder, and may have an elliptical outer surface which fits in an elliptical inner surface of the cylinder, to prevent rotation of the mandrel housing within the cylinder. Means may also be provided to lock the device onto the tray, prior to engagement of the mandrel and fiber, to minimize operator influence on the measurement process.
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Brochure entitled "Kinematic and Flexural Supports and Pivots For Fine Mechanisms", Instrument Society of America, Pittsburgh Pa., copyright 1969, presented at the Oct. 26-29, 1969 ISA Annual Conference and Exhibit, Houston.
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Musgrove Jack V.
Ullah Akm E.
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