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Side firing probe

  • US 5,571,099 A
  • Filed: 05/09/1995
  • Issued: 11/05/1996
  • Est. Priority Date: 05/09/1995
  • Status: Expired due to Fees
First Claim
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1. In a side firing fiberoptic probe, the combination comprising:

  • (a) an optical fiber with proximal and distal ends having a core and cladding about said core, a portion of said fiber adjacent said distal end being free from cladding;

    (b) a transparent reflector of generally cylindrical configuration on the distal end of said core, said reflector being of larger diameter than and coaxial with said core, said reflector having a planar face at its opposite end extending at an angle to said axis of said core and reflector; and

    (c) a transparent end cap having a cylindrical body portion extending about and sealingly engaged with said fiber distal end portion and said reflector, said cap having a closed end spaced from said planar face of said reflector, said closed end having inner and outer surfaces, said end cap being dimensioned to provide an atmospheric interface between the inner surface of its closed end and said planar face of said reflector and about said unclad distal end portion of said core, whereby light rays passing through said core fall on said planar face in a generally circular pattern and are reflected at an angle of 50°

    -90°

    in a generally circular beam through said reflector and cap.

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