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JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS
Volume 43, Issue 9A, Pages 6142-6144Publisher
JAPAN SOC APPLIED PHYSICS
DOI: 10.1143/JJAP.43.6142
Keywords
cholesteric liquid crystal; lasing; polymer; helical pitch; photonic effect; photonic structure
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We have succeeded in fabricating monodomain polymer cholesteric liquid crystal (PCLC) films by spin coating a polymer solution onto glass substrates with polyimide coated and rubbed unidirectionally. The thickness and helical pitch were well characterized by controlling the rotational speed of the spin coater and the chiral unit content of the polymer solution, respectively. Lasing from dye-doped PCLC films utilizing the photonic structure was confirmed.
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