Apparatus and method for coupling laser energy into small core fibers
First Claim
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1. Apparatus for coupling focused radiant energy from a laser to an optical fiber having cladding, comprising:
- energy dissipating means including a heat sink for dissipating energy that fails to couple to the fiber; and
coupling minimizing means for reducing exposure of the cladding to the radiant energy, thereby minimizing coupling between the radiant energy and the cladding,wherein said coupling minimizing means includes a section of the optical fiber that has been partially stripped of cladding,wherein said partially-stripped section of the optical fiber is situated at a distal end of the optical fiber, andwherein said partially-stripped section is surrounded by the heat sink, andwherein the cladding of said partially stripped section is partially rather than completely removed.
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Abstract
A fiber optic connector for coupling focused radiant energy from a laser to a fiber optic conductor includes a secondary transmission path and one or more reflectors and/or heat sinks for deflecting errant radiant energy to a location where it be safely dissipated. In addition, coupling of the radiant energy to the cladding of the fiber is minimized by stripping or at least partially removing the cladding to reduce the amount of cladding in the area that extends to the focal plane of the radiant energy source.
54 Citations
3 Claims
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1. Apparatus for coupling focused radiant energy from a laser to an optical fiber having cladding, comprising:
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energy dissipating means including a heat sink for dissipating energy that fails to couple to the fiber; and coupling minimizing means for reducing exposure of the cladding to the radiant energy, thereby minimizing coupling between the radiant energy and the cladding, wherein said coupling minimizing means includes a section of the optical fiber that has been partially stripped of cladding, wherein said partially-stripped section of the optical fiber is situated at a distal end of the optical fiber, and wherein said partially-stripped section is surrounded by the heat sink, and wherein the cladding of said partially stripped section is partially rather than completely removed. - View Dependent Claims (2, 3)
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Current AssigneeJoe D. Brown
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Original AssigneeJoe D. Brown
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InventorsBrown, Joe D.
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Primary Examiner(s)Font; Frank G.
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Assistant Examiner(s)Hughes; James P.
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Application NumberUS11/108,677Publication NumberTime in Patent Office728 DaysField of Search385/92, 385/88, 385/33, 385/31, 385/116, 385/140, 385/147, 606/17, 606/89, 606/16US Class Current385/88CPC Class CodesG02B 6/3813 for transmission of high en...G02B 6/3814 with cooling or heat dissip...G02B 6/4296 coupling with sources of hi...
