An imaging arrangement and method for extended the depth of focus are provided. The
imaging arrangement comprises an imaging lens having a certain affective aperture, and an …

An imaging arrangement and method for extended the depth of focus are provided. The
imaging arrangement comprises an imaging lens having a certain affective aperture, and an …

An imaging arrangement and method for extended the depth of focus are provided. The
imaging arrangement comprises an imaging lens having a certain affective aperture, and an …

R; diffractive optical element defining a spatially low frequency phase transition. The optical
element and the imaging lens define a predetermined pattern formed by spaced-apart Sub …

An optical imaging system is provided comprising a first lens group having a positive
refractive power; a second lens group having a negative refractive power, a third lens group …

An optical arrangement is provided for use in imaging with a large depth of focus. The
optical arrangement comprises an aperture unit, and a replication unit. The replication unit is …

The present invention relates to a method and a system for synthesizing an intensity pattern
based on generalized phase contrast imaging. The phase filter contains a plurality of phase …

An imaging lens structure and method of imaging are presented. The imaging lens structure
comprising a lens region defining an effective aperture of the lens structure. The lens region …

Optical imaging systems are very sensitive to defocus and as Such, perfect alignment of
object and image location is crucial. Aberration correction of optical lenses used in imag ing …

The present invention provides such a mechanism, in the form of an optical element or mask
that is inserted in the optical path of an imaging system or that is etched, coated, overlayed …