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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 33, Iss. 16 — Jun. 1, 1994
  • pp: 3440–3445

Single-mode fiber coupling efficiency with graded-index rod lenses

Robert W. Gilsdorf and Joseph C. Palais  »View Author Affiliations


Applied Optics, Vol. 33, Issue 16, pp. 3440-3445 (1994)
http://dx.doi.org/10.1364/AO.33.003440


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Abstract

Losses are calculated for the single-mode graded-index- (GRIN-) lens coupler. The main advantage of this coupling system is large separation between fibers with small power loss. The excess loss of the GRIN-lens coupler is due primarily to the misalignments of the GRIN lenses and is most sensitive to angular tilt rather than lateral offset or end separation. The excess loss is calculated from the overlap of two differently sized or misaligned Gaussian beams. Experimental results show that this method is adequate for predicting losses that are due to misalignments of the GRIN lenses.

© 1994 Optical Society of America

History
Original Manuscript: July 14, 1993
Revised Manuscript: October 29, 1993
Published: June 1, 1994

Citation
Robert W. Gilsdorf and Joseph C. Palais, "Single-mode fiber coupling efficiency with graded-index rod lenses," Appl. Opt. 33, 3440-3445 (1994)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-33-16-3440


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References

  1. D. Marcuse, “Loss analysis of single-mode fiber splices,” Bell Syst. Tech. J. 56, 703–718 (1977).
  2. W. J. Tomlinson, “Applications of GRIN-rod lenses in optical fiber communication systems,” Appl. Opt. 19, 1127–1138(1980). [CrossRef] [PubMed]
  3. Y. C. Shi, L. Klafter, E. E. Harstead, “A dual-fiber optical rotary joint,” J. Lightwave Technol. LT-3, 999–1004 (1985). [CrossRef]
  4. N. Ito, T. Numazaki, “Optical two-way communication system using a rotary coupler,” Appl. Opt. 24, 2221–2224 (1985). [CrossRef] [PubMed]
  5. J. C. Palais, “Fiber coupling using graded-index rod lenses,” Appl. Opt. 19, 2011–2018 (1980). [CrossRef] [PubMed]
  6. A. Yariv, Optical Electronics, 3rd ed. (Holt, Rinehart & Winston, New York, 1985), Chap. 2, pp. 23–24.
  7. E. G. Rawson, D. R. Herriott, J. McKenna, “Analysis of refractive index distributions in cylindrical, graded-index glass rods (GRIN rods) used as image relays,” Appl. Opt. 9, 753–759 (1970). [CrossRef] [PubMed]
  8. NSG America, Inc., a subsidiary of Nippon Sheet Glass Co., Ltd., Selfoc Product Guide, manufacturer’s literature on fiber collimators.

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