Patent ID: 6823127
Filing Date: 2004-11-23
Classification: G02B

Abstract:
An apparatus for hermetically holding at least one optical fiber, said apparatus comprising:a. an insert comprising: i. a top plate having an output face, a first attaching face and a first through hole having a first narrow section terminating at said output face and a first expanding section expanding towards and terminating at said attaching face; ii. a bottom plate having a second attaching face, an insertion face and a second through hole having a second narrow section terminating at said attaching face and second expanding section expanding towards and terminating at said insertion face; iii. a spacer plate sandwiched between said first attaching face and said second attaching face, said spacer having a third through hole of a diameter larger than said first narrow section and said second narrow section; wherein said first through hole, said second through hole and said third through hole being positioned relative to each other such that a feedthrough is provided such that said fiber approaching said second expanding section is guided towards said second narrow section and such that said fiber approaching said top plate through said third hole is captured by said first expanding section and guided towards said first narrow section; and b. a glass plate hermetically connected to said output face via an optical gel such that an end of said fiber is hermetically sealed while said fiber is finally bonded within said feedthrough.