Patent ID: 6393191
Filing Date: 2002-05-21
Classification: G02B

Abstract:
An optical terminal comprising:a) a capillary having a bore therethrough, said bore having an insertion opening and a coupling opening; b) a light-guiding element positioned in front of said coupling opening, said light-guiding element having an optical axis; c) a first optical fiber having a first tip, a first core for conducting a light beam and a first cladding surrounding said core, said first optical fiber having a first fitting length along which a portion of said first cladding is removed to produce a first adjusted cross section, and said first optical fiber being located in said bore such that said first tip is positioned at said coupling opening; and d) a second fiber having a second fitting length having a second adjusted cross section different from said first adjusted cross section, said second fiber being located in said bore such that said first fitting length is wedged in said bore and said first core at said first tip is maintained at a first distance from said optical axis.