D. Declercq, F.C. De Schryver, et al.
Chemical Physics Letters
Chain scission induced by two-photon exposure produces a permanent birefringence in polysilane polymer films, which can be used for the formation of birefringent optical elements. Spectroscopy of the effect for poly(di-n-hexylsilane) reveals an unexpected sharp resonance at 580 nm. A comparison of several polysilanes indicates the effect only occurs in polymers with symmetric or near symmetric sidegroups. Models to explain these observations are introduced and discussed. © 1990.
D. Declercq, F.C. De Schryver, et al.
Chemical Physics Letters
R.D. Miller, K. Betterton, et al.
OTF 1993
K. Song, H. Kuzmany, et al.
Macromolecules
R.D. Miller, R. Sooriyakumaran
Journal of Polymer Science Part A: Polymer Chemistry