Spatial anisotropy of linear electro-optic effect in crystal materials: I—Experimental determination of electro-optic tensor in LiNbO3 by means of interferometric technique
✍ Scribed by A.S. Andrushchak; B.G. Mytsyk; N.M. Demyanyshyn; M.V. Kaidan; O.V. Yurkevych; I.M. Solskii; A.V. Kityk; W. Schranz
- Publisher
- Elsevier Science
- Year
- 2009
- Tongue
- English
- Weight
- 263 KB
- Volume
- 47
- Category
- Article
- ISSN
- 0143-8166
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✦ Synopsis
The paper presents a technique suitable for the determination of linear electro-optic effect (LEOE) tensor components in crystal materials of any symmetry. The method is based on the Michelson interferometer, where the sample being studied is set into one of its arms to measure the electroinduced changes of the optical path. We describe in detail the sample geometries that are needed to determine a complete set of the LEOE tensor components and derive the corresponding equations. The experimental technique has been tested and verified on lithium niobate crystals as well as applied to MgO-doped LiNbO 3 crystals to study their electro-optic properties. The developed method can be useful for optical engineering, which deals with new materials being used in design or production of devices, such as, e.g., modulators or deflectors.