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Combined heat filter and condenser lens, a projection type...

Optical: systems and elements – Diffraction – From zone plate
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Diffraction bifocal with adjusted chromaticity

Optical: systems and elements – Diffraction – From zone plate
Patent

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Diffraction grating lens and optical disk recording/reproducing

Optical: systems and elements – Diffraction – From zone plate
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Diffractive lens with gratings modified to offset effects...

Optical: systems and elements – Diffraction – From zone plate
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Diffractive multi-focal objective lens

Optical: systems and elements – Diffraction – From zone plate
Patent

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Diffractive multifocal optical device

Optical: systems and elements – Diffraction – From zone plate
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Diffractive optical element

Optical: systems and elements – Diffraction – From zone plate
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Diffractive optical element

Optical: systems and elements – Diffraction – From zone plate
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Diffractive optical element and optical low-pass filter...

Optical: systems and elements – Diffraction – From zone plate
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Diffractive optical element and optical system including the sam

Optical: systems and elements – Diffraction – From zone plate
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Diffractive optical element both surfaces of which comprise diff

Optical: systems and elements – Diffraction – From zone plate
Patent

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Diffractive optical element for providing favorable...

Optical: systems and elements – Diffraction – From zone plate
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Diffractive optical element for providing favorable...

Optical: systems and elements – Diffraction – From zone plate
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Diffractive optical system

Optical: systems and elements – Diffraction – From zone plate
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Diffractive wave modulating devices

Optical: systems and elements – Diffraction – From zone plate
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Digital camera objective with diffractive optical surface

Optical: systems and elements – Diffraction – From zone plate
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Dual mode optical Magnifier system

Optical: systems and elements – Diffraction – From zone plate
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Fabrication methods for micro compounds optics

Optical: systems and elements – Diffraction – From zone plate
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Fabrication methods for micro compounds optics

Optical: systems and elements – Diffraction – From zone plate
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Forming an optical element on the surface of a light...

Optical: systems and elements – Diffraction – From zone plate
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