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Journal Article

Compensating the delayed electro-optical deflector response

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Hell,  Stefan W.
Optical Nanoscopy, Max Planck Institute for Medical Research, Max Planck Society;

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Citation

Leutenegger, M., Weber, M., von der Emde, H., & Hell, S. W. (2021). Compensating the delayed electro-optical deflector response. arXiv, 2112.01621, pp. 1-7.


Cite as: https://hdl.handle.net/21.11116/0000-0009-A53F-7
Abstract
Due to its immediate response, the electro-optic effect is exploited for high-frequency phase and power modulation and for beam deflection. Besides the immediate response, electro-optic materials exhibit creep due to relaxation processes in the material, which results in a gradual settling of the response when a voltage is applied for tens of milliseconds. A bi-exponential filter can compensate this behavior, reported here for electro-optic deflectors made of AD*P, such that these deflectors can be used over the entire frequency range of the driver with a residual settling error <0.001 of the deflection.