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Applied Optics

Applied Optics


  • Vol. 24, Iss. 24 — Dec. 15, 1985
  • pp: 4321–4325

Plastic axial gradient-index lens

Yasuhiro Koike, Hiroshi Hidaka, and Yasuji Ohtsuka  »View Author Affiliations

Applied Optics, Vol. 24, Issue 24, pp. 4321-4325 (1985)

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An axial gradient-index (GRIN) lens, where the refractive index varies along the optical axis of a convex lens, can reduce the spherical aberration compared with the conventional homogeneous lens. The transparent plastic axial GRIN material was successfully fabricated by chemical copolymerization and diffusion techniques. The depth of the gradient index was ~20 mm with the refractive-index change Δn = 0.07. By carrying out the ray tracing of the axial gradient index, the optimum refractive-index distribution reducing the spherical aberration was determined. If we assume that the axial GRIN lens was constructed from the sample experimentally obtained, it was theoretically confirmed that the spherical aberration of this lens would be remarkably improved.

© 1985 Optical Society of America

Original Manuscript: October 1, 1984
Published: December 15, 1985

Yasuhiro Koike, Hiroshi Hidaka, and Yasuji Ohtsuka, "Plastic axial gradient-index lens," Appl. Opt. 24, 4321-4325 (1985)

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