The adaptive lens is composed of two thin glass windows (thickness 150 μm), upon each of which is mounted a piezoelectric actuator ring. The space in between the windows is filled with a transparent liquid. The first window is used to generate defocus and astigmatism while the second one generates coma and secondary astigmatism.
Multi actuator adaptive lens for telescopes
Jacopo Mocci;Riccardo Muradore;
2019-01-01
Abstract
The adaptive lens is composed of two thin glass windows (thickness 150 μm), upon each of which is mounted a piezoelectric actuator ring. The space in between the windows is filled with a transparent liquid. The first window is used to generate defocus and astigmatism while the second one generates coma and secondary astigmatism.
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