Modal wavefront correction with liquid crystals: different options

Mikhail Loktev; Gleb Vdovin; Nikolay Klimov; Svetlana Kotova; Alexander Naumov

doi:10.1117/12.590205

12 April 2005 Modal wavefront correction with liquid crystals: different options

Mikhail Loktev, Gleb Vdovin, Nikolay Klimov, Svetlana Kotova, Alexander Naumov

Proceedings Volume 5741, Emerging Liquid Crystal Technologies; (2005) https://doi.org/10.1117/12.590205
Event: Integrated Optoelectronic Devices 2005, 2005, San Jose, California, United States

Abstract

Liquid crystal (LC) wavefront correctors with modal addressing are described. Three different approaches are considered. The first one is based on a continuous thin-film resistive layer. This layer is used for forming of the local voltage profile that controls the phase distribution across the corrector’s aperture. The second approach is a modification of the first one, where the continuous resistive coating is replaced by a network of discrete resistors. It is based on silicon technology. The third approach makes use of distributed electric field in thick dielectric layers for forming of the modal response of an actuator. Technologies, methods of control and experimental results are discussed for each case.

Citation Download Citation

Mikhail Loktev, Gleb Vdovin, Nikolay Klimov, Svetlana Kotova, and Alexander Naumov "Modal wavefront correction with liquid crystals: different options", Proc. SPIE 5741, Emerging Liquid Crystal Technologies, (12 April 2005); https://doi.org/10.1117/12.590205

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