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Schematic diagram of the optical setup for obtaining multispot multiphoton PSF.
Extended DOF multispot 2PE PSF at stop angle and aperture angles .
Contour plots of single-(1PE) and two-(2PE) photon PSF at an aperture angle 60°. Side lobes characterize 1PE-PSF.
Comparison of proposed (apodized) PSF with general unapodized single lens based 2PE PSF at an aperture angle 60°.
Proposed PSF at an aperture angle and varying stop angles . At , the system resembles two-photon microscopy.
FWHM of central lobe (along -axis) at varying aperture angle and stop angle.
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