OPTICAL SECOND‐ AND THIRD‐HARMONIC GENERATION IN CHOLESTERYL NONANOATE LIQUID CRYSTAL
作者:
Lawrence S. Goldberg,
Joel M. Scnnur,
期刊:
Applied Physics Letters
(AIP Available online 1969)
卷期:
Volume 14,
issue 10
页码: 306-308
ISSN:0003-6951
年代: 1969
DOI:10.1063/1.1652661
出版商: AIP
数据来源: AIP
摘要:
Laser‐induced generation of second‐ and third‐harmonic radiation is studied in cholesteryl nonanoate and in other cholesteric and nematic liquid crystals. No second harmonic is observed in any of the liquid‐crystal mesomorphic phases, indicating their ordered molecular arrangements to be centrosymmetric. Large changes in third‐harmonic intensity occur at several phase transitions, and their possible origins are considered.
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