Finishing techniques for lensed optical fibers

Details Finishing techniques for lensed optical fibers Finishing techniques for lensed optical fibers

1991-01-31

1992-03-31

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156652, 156657, 156656, 1566591, 156663, 65 31, 427163, B44C 122, C03C 1500, C03C 2506, C23F 100

Patent

active

051005077

ABSTRACT:
A method is disclosed for processing an optical fiber to include an integral lens and a metallized outer coating. The fiber is first etched to include a tapered transition region and a thinned end region. The etched fiber is subsequently metallized and covered with a protective coating. A wet chemical etching technique is used to form an integral lens over the endface of the fiber. The protective coating is then stripped and any free metal is removed. The method allows for the fiber metallization to be in relative close proximity to the lens such that the fiber may be soldered into place near its endface, limiting any subsequent movement of the fiber relative to the aligned optical device.

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