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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN 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)
http://dx.doi.org/10.1364/AO.38.006845


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Abstract

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

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

Citation
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)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-33-6845


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References

  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]
  2. T. A. Birks, Y. W. Li, “The shape of fiber tapers,” J. Lightwave Technol. 10, 432–438 (1992). [CrossRef]
  3. R. P. Kenny, T. A. Birks, K. P. Oakley, “Control of optical fibre taper shape,” Electron. Lett. 27, 1654–1656 (1991). [CrossRef]
  4. R. L. Williamson, M. J. Miles, “Melt-drawn scanning near-field optical microscopy probe profiles,” J. Appl. Phys. 80, 4804–4812 (1996). [CrossRef]
  5. D. R. Fairbanks, “Thermal visco-elastic simulation model for tapering of laser-heated fused silica fiber,” in Fiber Optic Components and Reliability, P. M. Kopera, D. K. Paul, eds., Proc. SPIE1580, 188–196 (1991). [CrossRef]
  6. A. J. C. Grellier, N. K. Zayer, C. N. Pannell, “Heat transfer modeling in CO2 laser processing of optical fibres,” Opt. Commun. 152, 324–328 (1998). [CrossRef]
  7. H. Yokota, E. Sugai, Y. Saaki, “Optical irradiation method for fiber coupler fabrications,” Opt. Rev. 4, 104–107 (1997). [CrossRef]
  8. A. D. McLachlan, F. P. Meyer, “Temperature dependence of the extinction coefficient of fused silica for CO2 laser wavelengths,” Appl. Opt. 26, 1728–1731 (1987). [CrossRef] [PubMed]
  9. M. N. Ozisic, Basic Heat Transfer (McGraw-Hill, New York, 1977), p. 307.
  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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