Confocal microscopy apparatus (100; 200), comprising: - a structured light generating component (2; 13) configured to be illuminated with a basic light beam and to generate a structured light beam focused on a first plane ; - a spinning disk configured to receive said structured light beam and to transmit a resulting excitation beam to an optics of a microscope focused on a plane of a sample , wherein the spinning disk lies on a second plane and comprises a disk-shaped substrate composed of an optically transparent material, the substrate of the spinning disk comprising a planar first surface and an opposing planar second surface and a patterned mask disposed on one of the first surface and the second surface and comprising at least one sector provided with one or more continuous spiral slit apertures , wherein the patterned mask or an outer surface thereof is composed of a highly black material opaque to light; - a housing configured to house on a third plane an acquisition sensor configured to detect a fluorescent beam emitted from said plane of the sample ; - a set of relay lenses configured to optically conjugate the first plane , the second plane and said plane of the sample to the third plane ; - optical means configured to transmit said structured light beam from the structured light generating component (2; 13) to said plane of the sample and said emitted fluorescent beam from said plane of the sample to said housing configured to house the acquisition sensor ; and - moving means configured to move the structured light generating component (2; 13), so as to shift the structured light beam in the first plane , and the spinning disk in the second plane . - a structured light generating component (2; 13) configured to be illuminated with a basic light beam and to generate a structured light beam focused on a first plane ; - a spinning disk configured to receive said structured light beam and to transmit a resulting excitation beam to an optics of a microscope focused on a plane of a sample , wherein the spinning disk lies on a second plane and comprises a disk-shaped substrate composed of an optically transparent material, the substrate of the spinning disk comprising a planar first surface and an opposing planar second surface and a patterned mask disposed on one of the first surface and the second surface and comprising at least one sector provided with one or more continuous spiral slit apertures , wherein the patterned mask or an outer surface thereof is composed of a highly black material opaque to light; - a housing configured to house on a third plane an acquisition sensor configured to detect a fluorescent beam emitted from said plane of the sample ; - a set of relay lenses configured to optically conjugate the first plane , the second plane and said plane of the sample to the third plane ; - optical means configured to transmit said structured light beam from the structured light generating component (2; 13) to said plane of the sample and said emitted fluorescent beam from said plane of the sample to said housing configured to house the acquisition sensor ; and - moving means configured to move the structured light generating component (2; 13), so as to shift the structured light beam in the first plane , and the spinning disk in the second plane . <EOS>