Optical: systems and elements – Optical modulator – Light wave temporal modulation
Reexamination Certificate
2007-05-02
2009-02-10
Choi, William C (Department: 2873)
Optical: systems and elements
Optical modulator
Light wave temporal modulation
C359S225100, C359S851000, C359S854000
Reexamination Certificate
active
07489434
ABSTRACT:
This invention provides a Hybrid Micromirror Array Lens with reduced chromatic aberration over a broadband wavelength range of light. Conventional micromirror array lens uses phase matching condition. Therefore, the optical surface profile of Micromirror Array Lens using the same phase condition has a discontinuous surface profile. As the required optical power of Micromirror Array Lens is increased, the number of profile discontinuity of Micromirror Array Lens is increased. Therefore, the chromatic aberration is increased. To minimize the chromatic aberration, the number of profile discontinuity should be minimized. The number of discontinuity is reduced when the optical surface profile has a simulating base curve, called a translation contour with optical power. Hybrid Micromirror Array Lens is invented to reduce a large translational amount and chromatic aberration for large optical power lens.
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Baek Sang Hyune
Cho Gyoung Il
Seo Cheong Soo
Sohn Jin Young
Angstrom Inc.
Choi William C
Stereo Display Inc.
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