Optical fibre feedthrough

Details Optical fibre feedthrough Optical fibre feedthrough

G - Physics

02

B

G02B 6/26 (2006.01) G02B 6/38 (2006.01) G02B 6/42 (2006.01)

Patent

CA 2079104

2079104 9114958 PCTABS00007 An optical fibre feedthrough (2) in which a polarization maintaining (PM) fibre (6) is sealed within a metallic sleeve (14) by a glass seal (20). The seal (6) applies asymmetric stresses to the fibre (6) which is orientated so that they reinforce its PM properties. This arrangement reduces the manufacturing tolerances needed to avoid destroying the PM properties of the fibre associated with symmetric stress seals. It has application to packages for opto-electronic components. A double optical fibre feedthrough is also disclosed.

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