Compensation of the photoelastic birefringence of a polymer by doping with an anisotropic molecule

H. Ohkita, K. Ishibashi, D. Tsurumoto, A. Tagaya, Yasuhiro Koike

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

We report on a method to compensate the photoelastic birefringence of a polymer. In this method, a rod-like molecule that has a polarizability anisotropy was chosen and doped in a polymer. We demonstrated this method by compensating the negative photoelastic birefringence of poly(methylmethacrylate) at a wavelength of 633 nm. Homogeneous doping with 2.2 wt.∈% of trans-stilbene almost eliminated the photoelastic birefringence of the polymer. The photoelastic coefficient of the synthesized zero-photoelastic birefringence polymer was 0.057×10-12 Pa-1. We found that the photoelastic birefringence of poly(methylmethacrylate) was compensated by the motion of trans-stilbene in the polymer by the analysis of the infrared absorption spectrum.

Original languageEnglish
Pages (from-to)617-620
Number of pages4
JournalApplied Physics A: Materials Science and Processing
Volume81
Issue number3
DOIs
Publication statusPublished - 2005 Aug

Fingerprint

Birefringence
birefringence
Polymers
Doping (additives)
Molecules
Methylmethacrylate
polymers
Stilbenes
stilbene
molecules
Infrared absorption
infrared absorption
Absorption spectra
Anisotropy
rods
infrared spectra
Compensation and Redress
absorption spectra
Wavelength
anisotropy

ASJC Scopus subject areas

  • Materials Science(all)
  • Physics and Astronomy (miscellaneous)

Cite this

Compensation of the photoelastic birefringence of a polymer by doping with an anisotropic molecule. / Ohkita, H.; Ishibashi, K.; Tsurumoto, D.; Tagaya, A.; Koike, Yasuhiro.

In: Applied Physics A: Materials Science and Processing, Vol. 81, No. 3, 08.2005, p. 617-620.

Research output: Contribution to journalArticle

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