Apparatus and method for improving detected resolution...

Details Apparatus and method for improving detected resolution... Apparatus and method for improving detected resolution...

2011-03-22

2011-03-22

Harrington, Alicia M (Department: 2873)

Optical: systems and elements

Lens

With light limiting or controlling means

Reexamination Certificate

active

07911709

ABSTRACT:
At least one exemplary embodiment is directed to a detection aperture that varies the effective aperture index of refraction or provides scattering structures to improve the detected resolution and/or intensity of a sampled image. In at least one exemplary embodiment a medium is inserted into the aperture, to match transmittance of polarization through the aperture, and to control the relative transmittance of polarizations through the aperture. In yet another exemplary embodiment structures are provided to scatter or redirect diffracted aperture light to improve detection resolution and/or intensity.

REFERENCES:
patent: 5631731 (1997-05-01), Sogard

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