Three-dimensional electric field visualization utilizing electric-field-induced second-harmonic generation in nematic liquid crystals

I. Hsiu Chen, Shi Wei Chu, Francois Bresson, Ming Chun Tien, Jin Wei Shi, Chi Kuang Sun

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

An electric-field-induced second-harmonic-generation signal in a nematic liquid crystal is used to map the electric field in an integrated-circuit-like sample. Since the electric-field-induced second-harmonic-generation signal intensity exhibits a strong dependence on the polarization of the incident laser beam, both the amplitude and the orientation of the electric field vectors can be measured. Combined with scanning second-harmonic-generation microscopy, three-dimensional electric field distribution can be easily visualized with high spatial resolution of the order of 1 μm.

Original languageEnglish
Pages (from-to)1338-1340
Number of pages3
JournalOptics Letters
Volume28
Issue number15
DOIs
StatePublished - 1 Aug 2003

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