Polarization coded aperture | Zendy

Wanli Chi | Zendy; Kaiqin Chu | Zendy; Nicholas George | Zendy

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Polarization coded aperture

Author(s) -

Wanli Chi,

Kaiqin Chu,

Nicholas George

Publication year - 2006

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.14.006634

Subject(s) - optics , polarization (electrochemistry) , fresnel zone , diffraction , physics , aperture (computer memory) , ptychography , light intensity , chemistry , acoustics

Two examples are presented to illustrate the advantages of polarization coded apertures, in which the incoming light will rotate its polarization at a portion of an aperture. In the first example the depth of field of a diffraction limited lens is increased without sacrificing the light throughput; in the second example the axial focal intensity of a pixelated Fresnel zone plate is increased by 100%. Both examples work for linearly polarized or unpolarized illumination.

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