Optics: measuring and testing – By light interference – Having polarization
Reexamination Certificate
2006-05-05
2009-10-06
Chowdhury, Tarifur (Department: 2886)
Optics: measuring and testing
By light interference
Having polarization
C353S020000
Reexamination Certificate
active
07599069
ABSTRACT:
Provided are techniques for generating optical vector beams (e.g., radially and azimuthally polarized light) using passive or active phase stable optical interferometry. Techniques may split an input optical beam into at least two output beams, and then couple those beams simultaneously into a passively phase stable optical interferometer. Beam splitting may be achieved by a diffractive optical element and coupling may be achieved by a single refractive optical device (lenses) or by a single mirror device (e.g., parabolic and spherical). The interferometer may provide the ability to manipulate (or transform) the polarization of part of the wavefront of each beam, as well as the ability to manipulate (or transform) the phase of part of the wavefront of each beam, such that the beams when combined have a vector beam polarization state.
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Jureller Justin E.
Park Sungnam
Scherer Norbert F.
Toussaint, Jr. Kimani C.
Chowdhury Tarifur
Cook Jonathon D
Marshall & Gerstein & Borun LLP
The University of Chicago
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