Measurement of photorefractive phase shift in mesogenic composites

Photorefractive phase shifts in high-performance photorefractive mesogenic composites were determined, and trap-limited space-charge fields were estimated. It is demonstrated that photorefractive mesogenic composites show high performance although the space-charge field is considerably low in compar...

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Veröffentlicht in:Applied physics letters 1999-12, Vol.75 (23), p.3632-3634
Hauptverfasser: Ono, Hiroshi, Kawamura, Tomomi, Frias, Nazarene Mokam, Kitamura, Keiko, Kawatsuki, Nobuhiro, Norisada, Hideki
Format: Artikel
Sprache:eng
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Zusammenfassung:Photorefractive phase shifts in high-performance photorefractive mesogenic composites were determined, and trap-limited space-charge fields were estimated. It is demonstrated that photorefractive mesogenic composites show high performance although the space-charge field is considerably low in comparison with other kinds of photorefractive materials which show no mesophase. This means that the high performance of photorefractive mesogenic composites originates in the easy reorientation of mesogen under a low electric field.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.125411