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Proceedings Paper

Surface potential technique: a sensitive method for the determination of the order parameter of NLO chromophores in poled polymer
Author(s): Wol-Yon Hwang; Jang-Joo Kim; Sang Don Jung; Taehyoung Zyung
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Paper Abstract

Surface potential technique was applied to determine the orientational order of NLO chromophores in poled polymers. The technique is sensitive enough to detect the electro-optic coefficient of the order of 10-3 pm/v and it is simple because it does not use any optics. It is purely electrical in contrast with other techniques. Relaxation behavior of poled DR1(1wt%)/PMMA was investigated using the surface potential technique. When the surface of the poled polymer was free from a metal electrode, the surface potentials decay monotonically with time. However, the surface potential measured on a metal electrode which was used as an electrode for poling showed an abnormal decay behavior. It was explained by the charge trap centers at the metal-polymer interface.

Paper Details

Date Published: 16 December 1993
PDF: 7 pages
Proc. SPIE 2025, Nonlinear Optical Properties of Organic Materials VI, (16 December 1993); doi: 10.1117/12.165299
Show Author Affiliations
Wol-Yon Hwang, Electronics and Telecommunications Research Institute (South Korea)
Jang-Joo Kim, Electronics and Telecommunications Research Institute (South Korea)
Sang Don Jung, Electronics and Telecommunications Research Institute (South Korea)
Taehyoung Zyung, Electronics and Telecommunications Research Institute (South Korea)


Published in SPIE Proceedings Vol. 2025:
Nonlinear Optical Properties of Organic Materials VI
Gustaaf R. Moehlmann, Editor(s)

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