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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 28 — Oct. 1, 2006
  • pp: 7239–7247

Commercial scale fabrication method for fabricating a gradient refractive-index rod: overcoming volume shrinkage and chemical restrictions

Hansol Cho, Young Mok Son, Mu Gyeom Kim, Byoung Joo Ra, Joon-Yong Park, Seung Hui Lee, Jin Sung Choi, Min Young Song, O. Ok Park, Youn Cheol Kim, and Jin Taek Hwang  »View Author Affiliations


Applied Optics, Vol. 45, Issue 28, pp. 7239-7247 (2006)
http://dx.doi.org/10.1364/AO.45.007239


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Abstract

We report a fabrication method for a gradient refractive-index polymeric object from a binary comonomer system, regardless of the monomers' reactivity ratio and the molar volume criteria of gradient refractive-index development. To fabricate a large gradient refractive-index rod consisting of a methyl methacrylate and 2,2,3,3-tetrafluoropropyl methacrylate comonomer pair that has not been used for fabrication of a copolymer gradient refractive-index rod by previous conventional methods because of chemical restrictions in molar volume and reactivity ratio difference, we use the so-called successive UV polymerization in a controlled radial volume in conjunction with an automatic refill reactor. Simultaneously and automatically, the volume shrinkage problem, an inevitable shortcoming for the fabrication of a large polymeric object in a commercial production scale, is overcome and exploited. The theoretical features of the refractive-index profile generation of this method are also compared with those of conventional methods for which the chemical restrictions of monomers are crucial for the shape of a refractive-index profile.

© 2006 Optical Society of America

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(110.2760) Imaging systems : Gradient-index lenses
(160.5470) Materials : Polymers

ToC Category:
Imaging Systems

History
Original Manuscript: January 18, 2005
Revised Manuscript: October 20, 2005
Manuscript Accepted: October 25, 2005

Citation
Hansol Cho, Young Mok Son, Mu Gyeom Kim, Byoung Joo Ra, Joon-Yong Park, Seung Hui Lee, Jin Sung Choi, Min Young Song, O. Ok Park, Youn Cheol Kim, and Jin Taek Hwang, "Commercial scale fabrication method for fabricating a gradient refractive-index rod: overcoming volume shrinkage and chemical restrictions," Appl. Opt. 45, 7239-7247 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-28-7239

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