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Fixture For Polishing End of Optical Fiber Cable

IP.com Disclosure Number: IPCOM000044716D
Original Publication Date: 1984-Apr-01
Included in the Prior Art Database: 2005-Feb-06
Document File: 1 page(s) / 11K

Publishing Venue

IBM

Related People

Hayward, CE: AUTHOR

Abstract

An open cylindrical fixture has screw threads for holding the cable connector of an optical fiber that is to be polished. The fixture can be hand held with the open end of the fiber facing downward. Two opposite horizontal slits in the fixture permit an abrasive strip to be passed through the fixture with the abrasive side facing upward the end of the fiber. The abrasive is pulled back and forth through the slits to polish the fiber end. The person performing this operation holds the fixture in one hand and one end of the abrasive strip in the other, shifting hands at the end of each pass. A few passes are sufficient to polish the fiber end. A piston is located inside the fixture below the abrasive and is spring loaded to hold the abrasive against the end of the fiber.

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Fixture For Polishing End of Optical Fiber Cable

An open cylindrical fixture has screw threads for holding the cable connector of an optical fiber that is to be polished. The fixture can be hand held with the open end of the fiber facing downward. Two opposite horizontal slits in the fixture permit an abrasive strip to be passed through the fixture with the abrasive side facing upward the end of the fiber. The abrasive is pulled back and forth through the slits to polish the fiber end. The person performing this operation holds the fixture in one hand and one end of the abrasive strip in the other, shifting hands at the end of each pass. A few passes are sufficient to polish the fiber end. A piston is located inside the fixture below the abrasive and is spring loaded to hold the abrasive against the end of the fiber. A stop limits the upward travel of the piston and prevents the fiber from being polished below a minimum fiber length. The spring loaded piston adapts to variations in the length of the fibers of different connectors.

An optical fiber cable may terminate in a connector that is attached to an optical component such as another fiber cable. The end of the fiber is highly polished to provide good light transmission. Sometimes it is necessary to repolish the end of a fiber of a cable that has been disassembled in the field. A particular connector has a prescribed fiber length that can vary within a tolerance range which is large in relation to the very sm...