Electro-Tunable Lens (IMAGE)

Max Planck Florida Institute for Neuroscience

Electro-Tunable Lens

Caption

An ETL in the excitation pathway shapes the incoming beam for remote focusing. Beam shape (red/green) is controlled by curvature of the ETL. L2 and L3 lenses are placed to conjugate the ETL to the back aperture of the objective lens.

Credit

Max Planck Florida Institute for Neuroscience

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