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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 22, Iss. 3 — Feb. 1, 1983
  • pp: 400–403

Gradient-index rod lens with high N.A.

T. Yamagishi, K. Fujii, and I. Kitano  »View Author Affiliations


Applied Optics, Vol. 22, Issue 3, pp. 400-403 (1983)
http://dx.doi.org/10.1364/AO.22.000400


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Abstract

A new gradient-index lens with high numerical aperture has been fabricated by a new ion-exchange tech­nique. In this treatment, a glass rod doped with a highly polarizable ion (dopant A) is immersed into KNO3 salt doped with a medium polarizability ion (dopant B). Dopant B penetrates into the rod and modifies the refractive-index profile of the lens. This new lens has 0.6 N.A. and gives a 1.18-μm spot diam in the light-focusing system. This lens gives good results also in a light source coupling system and is useful in microoptic devices.

© 1983 Optical Society of America

History
Original Manuscript: August 12, 1982
Published: February 1, 1983

Citation
T. Yamagishi, K. Fujii, and I. Kitano, "Gradient-index rod lens with high N.A.," Appl. Opt. 22, 400-403 (1983)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-22-3-400


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References

  1. W. Streifer, K. B. Paxton, Appl. Opt. 10, 769 (1971). [CrossRef] [PubMed]
  2. W. J. Tomlinson, Appl. Opt. 19, 1127 (1980). [CrossRef] [PubMed]
  3. T. Miyazawa, K. Okada, T. Kubo, K. Nishizawa, I. Kitano, K. Iga, Appl. Opt. 19, 1113 (1980). [CrossRef] [PubMed]
  4. T. Yamagishi, K. Fujii, I. Kitano, in Technical Digest, Conference on Lasers and Electrooptics (Optical Society of America, Washington, D.C., 1982), paper WN3.
  5. S. Takioka, Y. Sugiura, NHK (Nippon Hoso Kyokai) Tech. Res. 27, 10 (1975).

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