Influence of a Strong Static Electrical Field on the Absorption Spectrum of Mylar Polyester,
FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO
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Electrical fields induce a shift towards lower frequencies of the absorption spectrum of mylar. This shift, proportional to the square of the field, is three orders of magnitude smaller than a typical Franz-Keldysh effect and is sensitive to the relative orientation of the static field with respect to the polarization vector of the light. It is a suggested that the measured shift is mostly due to Stark effects in this amorphous material. This kind of measurement could be used to estimate the degree of crystalline order in partially amorphous solids.
- Solid State Physics