METHOD FOR LASER STRIPPING OF OPTICAL FIBER AND FLAT CABLE

WIPO Patent Application WO2001077714

A3

This invention results from the realization that a laser can remove the protective layer(s) from the glass or fused silica optical fiber cores and cladding more effectively and more reliably than chemical or mechanical means. This invention teaches methods of using laser beams to remove the protective layers of fibers without significantly damaging the optical and mechanical properties of the fiber and without leaving an excessive amount of residual ablation debris on the fiber while providing careful control of the laser energy. This method thereby allows users to safely strip protective layers off sensitive fibers, such as fibers used for fiber Bragg gratings (FBG). This method allows stripping of the protective layers form single fibers and from multi-fiber ribbon cables. It also allows stripping of the protective layers at an end section of the cable or in a middle section (mid-span).

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BERNSTEIN JEFFREY
ANGELL JAMES
MILLER PASCAL

PCT/US2001/010442

February 28, 2002

March 30, 2001

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RESONETICS INC (US)

B08B7/00; B23K26/06; B23K26/073; B23K26/08; G02B6/245; H02G1/12; (IPC1-7): B23K26/00; B23K26/14; B23K26/16; B23K26/18

US5837961A	1998-11-17
US5864114A	1999-01-26

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