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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 31, Iss. 25 — Sep. 1, 1992
  • pp: 5184–5190

Coupling characteristic analysis of single-mode and multimode optical-fiber connectors using gradient-index-rod lenses

Toyokazu Sakamoto  »View Author Affiliations


Applied Optics, Vol. 31, Issue 25, pp. 5184-5190 (1992)
http://dx.doi.org/10.1364/AO.31.005184


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Abstract

The coupling characteristics of optical-fiber connectors using gradient-index (GRIN)-rod lenses are analyzed for both single-mode and multimode use. We deal with six types of commercially available GRIN-rod lens. In the single-mode case the coupling characteristics are analyzed by the Gaussian beam approximation, and the effects of the deviation in lens length from a one-quarter pitch, the lens separation, and the lateral shift of the lens are clarified. In the multimode case the coupling characteristics are analyzed by the ray-trace method, and the effect of the third-order aberration of the GRIN-rod lens is clarified in addition to those in the single-mode case. In both cases a type SLS 2.0-mm lens is found to be best. By adjusting the lens length to be slightly longer than a one-quarter pitch, the lens separation and the tolerance for the lateral shift of the lens were improved.

© 1992 Optical Society of America

History
Original Manuscript: August 22, 1991
Published: September 1, 1992

Citation
Toyokazu Sakamoto, "Coupling characteristic analysis of single-mode and multimode optical-fiber connectors using gradient-index-rod lenses," Appl. Opt. 31, 5184-5190 (1992)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-31-25-5184


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References

  1. “Optical fiber collimator,” in Optical Fiber Products Catalog (Nippon Sheet Glass Company).
  2. R. Kishimoto, “Design for a single-mode optical fiber switch,” Trans. Inst. Electron. Commun. Eng. Jpn. J68-C, 1024–1032 (1985).
  3. T. Sakamoto, “Coupling loss analysis on a multimode fiber directional coupler using GRIN-rod lenses,” Appl. Opt. 25, 2620–2625 (1986). [CrossRef] [PubMed]
  4. T. Sakamoto, “Estimation of the fourth-order index coefficient of GRIN-rod lenses,” Appl. Opt. 25, 2613–2619 (1986). [CrossRef] [PubMed]
  5. M. Saruwatari, K. Nawata, “Semiconductor laser to single-mode fiber coupler,” Appl. Opt. 18, 1837–1856 (1979). [CrossRef]
  6. T. W. Cline, R. B. Jander, “Wavefront aberration measurements on GRIN-rod lenses,” Appl. Opt. 21, 1035–1041 (1982). [CrossRef] [PubMed]

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