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Applied Optics

Applied Optics


  • Vol. 38, Iss. 33 — Nov. 20, 1999
  • pp: 6845–6848

Carbon dioxide laser fabrication of fused-fiber couplers and tapers

Timothy E. Dimmick, George Kakarantzas, Timothy A. Birks, and Philip St. J. Russell  »View Author Affiliations

Applied Optics, Vol. 38, Issue 33, pp. 6845-6848 (1999)

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We report the development of a fiber taper and fused-fiber coupler fabrication rig that uses a scanning, focused, CO2 laser beam as the heat source. As a result of the pointlike heat source and the versatility associated with scanning, tapers of any transition shape and uniform taper waist can be produced. Tapers with both a linear shape and an exponential transition shape were measured. The taper waist uniformity was measured and shown to be better than ±1.2%. The rig was also used to make fused-fiber couplers. Couplers with excess loss below -0.1 dB were routinely produced.

© 1999 Optical Society of America

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2340) Fiber optics and optical communications : Fiber optics components
(220.0220) Optical design and fabrication : Optical design and fabrication
(220.4610) Optical design and fabrication : Optical fabrication

Original Manuscript: April 29, 1999
Revised Manuscript: August 2, 1999
Published: November 20, 1999

Timothy E. Dimmick, George Kakarantzas, Timothy A. Birks, and Philip St. J. Russell, "Carbon dioxide laser fabrication of fused-fiber couplers and tapers," Appl. Opt. 38, 6845-6848 (1999)

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  1. T. A. Birks, P. St. J. Russell, D. O. Culverhouse, “The acousto-optic effect in single-mode fiber tapers and couplers,” J. Lightwave Technol. 14, 2519–2529 (1996). [CrossRef]
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  10. T. A. Birks, J. C. Knight, “Excitation of whispering gallery modes in fibres by fibres,” in Conference on Lasers and Electro-Optics (CLEO/Europe) (Optical Society of America, Washington, D.C., 1998), paper CThI2. [CrossRef]

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