Birefringence reduction method for optical polymers by the orientation-inhibition effect of silica particles

Hisanori Ohkita, Yasuyuki Abe, Hiroshi Kojima, Akihiro Tagaya, Yasuhiro Koike

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

A method developed for optical polymers by doping with silica particles that were optically isotropic was analyzed. The orientation function of polymer main chains confirmed that particles reduced the birefringence of a polymer by the orientation-inhibition effect. The analysis showed that the doping of the particles reduced the orientational birefringence of polycarbonate (PC) and poly(methylmethacrylates) (PMMA) films regardless of the sign and magnitude of their birefringence. A spectrophotometer was used for measuring transmittance of undrawn PC based films. The analysis results show that about 15% of the birefringence of heat-drawn PC and PMMA films was reduced at a wavelength of 590 nm by doping with 1 wt% of the particles.

Original languageEnglish
Pages (from-to)3534-3536
Number of pages3
JournalApplied Physics Letters
Volume84
Issue number18
DOIs
Publication statusPublished - 2004 May 3
Externally publishedYes

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birefringence
polycarbonates
silicon dioxide
polymers
spectrophotometers
transmittance
heat
wavelengths

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Birefringence reduction method for optical polymers by the orientation-inhibition effect of silica particles. / Ohkita, Hisanori; Abe, Yasuyuki; Kojima, Hiroshi; Tagaya, Akihiro; Koike, Yasuhiro.

In: Applied Physics Letters, Vol. 84, No. 18, 03.05.2004, p. 3534-3536.

Research output: Contribution to journalArticle

Ohkita, Hisanori ; Abe, Yasuyuki ; Kojima, Hiroshi ; Tagaya, Akihiro ; Koike, Yasuhiro. / Birefringence reduction method for optical polymers by the orientation-inhibition effect of silica particles. In: Applied Physics Letters. 2004 ; Vol. 84, No. 18. pp. 3534-3536.
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