Light-mediated ferroelectric domain engineering and micro-structuring of lithium niobate crystals

Reference:

Ying, C.Y.J., Muir, A.C., Valdivia, C.E., Steigerwald, H., Sones Collin L., C., Eason, R.W., Soergel, E. and Mailis, S., 2012. Light-mediated ferroelectric domain engineering and micro-structuring of lithium niobate crystals. Laser and Photonics Reviews, 6 (4), pp. 526-548.

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Official URL:

http://dx.doi.org/10.1002/lpor.201100022

Abstract

An overview is presented of recently developed light-mediated methods for ferroelectric domain engineering of lithium niobate single crystals. These methods include light-assisted poling, UV laser-induced inhibition of poling, and all-optical poling. In addition to the primary application of ferroelectric domain patterns, namely the realization of non-linear optical devices, the ability of transferring a domain pattern into a topographical structure by domain selective etching allows also for surface structuring of lithium niobate. This intertwining between ferroelectric domain patterns and surface topography has been used to fabricate exquisite micro-structures based on unusual domains generated purposefully by these light-mediated methods.

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