Chen IH, Chu SW, Bresson F, Tien MC, Shi JW, Sun CK. Three-dimensional electric field visualization utilizing electric-field-induced second-harmonic generation in nematic liquid crystals.
Opt Lett 2003;
28:1338-1340. [PMID:
12906082 DOI:
10.1364/ol.28.001338]
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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 microm.
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