High-resolution periodically poled structure in diazo-dye-substituted polymer film based on direct electron-beam writing technique
- 23 November 1998
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 73 (21) , 3028-3030
- https://doi.org/10.1063/1.122661
Abstract
A periodically poled pattern in diazo-dye-substituted nonlinear optical polymer film is fabricated by direct electron-beam (EB) writing. It is found that the second-order nonlinearity of corona-poled polymer thin film is erased after EB irradiation. Moreover, the exposed region can be easily removed by conventional wet development. A high-resolution periodically poled structure (i.e., χ(2) grating) with a period of 0.60 μm is demonstrated based on the direct EB writing technique.Keywords
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