LOSSES OF A NEMATIC LIQUID-CRYSTAL OPTICAL WAVEGUIDE.

Chen-Ming Hu*, J. R. Whinnery

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

47 Scopus citations

Abstract

The absorption and scattering losses at 6328 A in MBBA (p-methoxy-benzylidene-p-n-butylaniline) thin-film waveguides were measured. The absorption loss was studied with a thermal-lens technique and was found to be highly dichroic. Thermal self-focusing was observed for the ordinary ray. The measured scattering losses were between 15 and 40 db cm** minus **1, depending on the polarization and the liquid-crystal orientation. A modified bulk-scattering loss caused by the thermal fluctuation of the long-range-crystal ordering is calculated and compared with the measurements.

Original languageEnglish
Pages (from-to)1424-1432
Number of pages9
JournalJ Opt Soc Am
Volume64
Issue number11
DOIs
StatePublished - 1 Jan 1974

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