Abstract
Array illuminators generating spots with high NA at high efficiency are presented. They are designed via application of high-NA scalar optics methods, and implemented as periodic binary phase structures. These array illuminators are used in a multi-spot scanning microscope for scanning large sample areas with a relatively high resolution.
Highlights
Spot array illuminators have been considered for optical interconnects [1, 2], microscopy [3], and data storage [4]
We propose novel diffractive array illuminators which are suitable for generating spots with a Numerical Aperture (NA) up to 0.75, thereby achieving higher compression ratio’s reported in the literature
We report on an application of the array illuminator in a multi-spot scanning microscope, targeted at scanning large area tissue samples at a relatively high resolution, of the order of a μm
Summary
Array illuminators generating spots with high NA at high efficiency are presented. They are designed via application of high-NA scalar optics methods, and implemented as periodic binary phase structures. These array illuminators are used in a multi-spot scanning microscope for scanning large sample areas with a relatively high resolution.
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