Second harmonic generation and photorefractive effect in dye-doped liquid crystals

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Second harmonic generation (SHG) and photorefractive (PR) effects were observed in a PR cell of liquid crystals doped with nonlinear optical (NLO) chromophore. In general, photorefractive materials of liquid crystals have no second harmonic (SH) signals due to the absence of nonlinearity. However, we observed SHG using a Maker Fringes experimental setup and, simultaneously, the asymmetric energy exchange of high PR gain coefficient, 815 cm(-1), using the PR cell.
Publisher
INST PURE APPLIED PHYSICS
Issue Date
2001-09
Language
English
Article Type
Article
Keywords

POLYMER; FILMS

Citation

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS, v.40, no.9AB, pp.952 - 954

ISSN
0021-4922
URI
http://hdl.handle.net/10203/79524
Appears in Collection
PH-Journal Papers(저널논문)CBE-Journal Papers(저널논문)
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