Design of zero-birefringence cross-linked polymers

Sayuri Yamazaki, Akihiro Tagaya, Yasuhiro Koike

Research output: Contribution to journalArticlepeer-review


We analyzed thermoplastic methacrylate polymers and found that their birefringence during polymerization is due to both orientational and photoelastic birefringence. We designed zero-birefringence cross-linked polymers that do not exhibit birefringence during the polymerization process or elastic deformation, and deduced the contributions of cross-linking agents to photoelastic coefficient by analyzing binary cross-linked polymers. When photoelastic coefficient values of ternary cross-linked polymers were almost zero, their average in-plane birefringence was linearly related with the concentration of cross-linking agents. Finally, we designed and demonstrated two types of zero-birefringence cross-linked polymers.

Original languageEnglish
Article number022602
JournalApplied Physics Express
Issue number2
Publication statusPublished - 2010 Feb 1

ASJC Scopus subject areas

  • General Engineering
  • General Physics and Astronomy


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