Optical fibre device fabrication

Details Optical fibre device fabrication Optical fibre device fabrication

G - Physics

02

B

26/197, 88/97.5

G02B 6/42 (2006.01)

Patent

CA 1298505

ABSTRACT OPTICAL FIBRE DEVICE FABRICATION An optical device structure for use where an optical fibre requires to be accurately aligned in an optically coupled relationship with another optical component in a package 100 comprises an optical fibre 16 mounted in a feedthrough tube 9 which is aligned with a laser 6 through an aperture 18 in a wall 4 of the package 100. The alignment is held by a first alignment means 10, in this case a sleeve spool, which is secured to the wall 4 and to the feedthrough tube 9 relatively close to the wall 4, and by a second alignment means 11, in this case a tubular bushing, which is also fixed to the wall 4 and to the feedthrough tube 9 in a region remote from the wall 40 The use of the two alignment means 10,11 fixed in this manner permits the desired optical coupling to be accurately fine-tuned in fabrication by a novel technique. Figure 1

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