Power limiting and optical switching with nematic liquid-crystal films
β Scribed by C. Umeton; G. Cipparrone; F. Simoni
- Publisher
- Springer
- Year
- 1986
- Tongue
- English
- Weight
- 176 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0306-8919
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π SIMILAR VOLUMES
**Dithienyletheneβcontaining glassy nematic liquid crystals** (see Figure) have been synthesized, in which the dithienylethene coreβs electronic transition moment is uniaxially aligned. Large changes in refractive index and optical birefringence could be induced in the solid state by photochemical m
## Abstract It is possible by the application of voltage to control the local level in a oneβdimensional photonic crystal with a liquid crystal defect layer. In the present paper, a nematic liquid crystal is used and highβspeed switching is attempted on the basis of the shift of the localized state