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Document Title |
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7623303 |
Solid tunable micro optical device and method
A solid tunable micro optical device for an micro-optical system is provided. The sold tunable micro optical device includes a first annular piece, a micro-lens with a spherical surface configured...
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7612950 |
Aspheric plastic lens and mold for manufacturing the same
An aspheric plastic lens comprises a spherical surface portion having upper and lower portions at the center thereof, the upper and lower portions having curved surfaces with a different curvature,...
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7554751 |
Lens and optical pickup device
A lens is provided with a reflective annular zone face that is approximately perpendicular to the lens optical axis, and tilt of the reflective annular zone face is set to be equivalent to coma...
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7042658 |
Lens forchromatic aberration compensation
A lens for chromatic aberration compensation is provided. The lens includes a lens body and a plurality of color filter films. The lens body has a light incident plane, a light exit plane and an...
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6924944 |
Optical system, and optical apparatus
The invention relates to an optical system that can be operated with low power consumptions, reduced noises and fast responses, is simplified in mechanical structure and of reduced outer diameter...
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6842297 |
Wavefront coding optics
Improved Wavefront Coding Optics, which apply a phase profile to the wavefront of light from an object to be imaged, retain their insensitivity to focus related aberration, while increasing the...
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6813097 |
Lenses capable of post-fabrication modulus change
Novel optical elements are provided which are capable of post fabrication modifications. Specifically, the invention includes lenses, such as intraocular lens, which can undergo changes in storage...
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6504652 |
Apparatus and method for laser processing
A CO 2 laser beam 12 is converted into a beam of uniform intensity at the position of a phase matching element 15 by an intensity converting element 14 and the phase matching element 15 ....
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6388822 |
Optical pickup device and optical recording medium
An optical pickup device which includes an objective lens having a numerical aperture of 0.7 or more collects light emitted from a light source and irradiates an optical recording medium. The...
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6381074 |
Light collecting optical system
A light collecting optical system wherein the position where light is collected is scanned in the optical axis direction by using a wavefront converting element capable of changing power without...
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6178046 |
Anti-aliasing diffractive aperture and method of using same
An anti-aliasing aperture and method of using the same is disclosed. In one embodiment, an anti-aliasing method includes passing light through an aperture stop, and diffracting the light passing...
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6134055 |
Objective lens and optical pickup device
An objective lens for condensing a light beam, has at least one of annular grooves and ridges producing a phase difference. Each of the annular groove and ridge is formed concentrically on at least...
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6118474 |
Omnidirectional imaging apparatus
An imaging apparatus for sensing an image of a scene from a substantially single viewpoint, which includes a truncated, substantially paraboloid-shaped reflector positioned to orthographically...
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6115187 |
Optical device and image reading apparatus
In an image sensor having a photoelectric conversion element for receiving light, an illumination unit, and a lens array in which a plurality of gradient index lens elements for focusing light...
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6052237 |
Objective lens and scanning device using such an objective lens
A scanning device for optical record carriers is provided with an objective lens (7) suitable for scanning record carriers (1, 21) having a transparent substrate (2, 23) of different thicknesses....
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5966250 |
Method and light collection system for producing uniform arc image size
A structure and method for a collection system for a projector includes a collector for reflecting light and a correcting mechanism for receiving the reflected light. The collector and the...
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5940217 |
Anti-aliasing diffractive aperture and optical system using the same
In one embodiment, an anti-aliasing apparatus is disclosed. The anti-aliasing apparatus includes an aperture stop including an array of apertures. Each of the apertures on the aperture stop...
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5717525 |
Zoom lenses
In order to reduce complexity and cost of fabrication of zoom lenses, the real image forming lens group module at the front of the zoom lens is replaced with a two-element group where one of the...
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5631778 |
Panoramic fish-eye imaging system
A new panoramic/fish-eye imaging system for projecting a 360 degree cylindrical field of view onto a two-dimensional annular format is described. It is rotationally symmetrical and comprises two...
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5627675 |
Optics assembly for observing a panoramic scene
An optics assembly for observing a panoramic scene. The optics assembly includes a plurality of optical elements. A first element redirects light from the panoramic scene. The optical power of the...
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5212589 |
Lens system for focussing light of plural wavelength
A lens system having discrete variations of focal length at discrete distances of radius outward from the optic axis for focussing light of plural wavelengths. The lens system which directs a laser...
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5193031 |
Divergence and marking device for a target marker
A divergent lens (4) perforated in its center by a hole (5) of small diameter is placed opposite the aperture (12) of a laser beam type marker (10) in order to pick up the laser beam comprising...
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5189294 |
Transform lens with a plurality of sliced lens segments
A sliced transform lens is used to combine and focus the optical output signals of a planar M by N laser diode array onto M detector elements in a linear detector by displacing lens slices. A...
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5042928 |
Parallel catadioptric optical element
A single hybrid optical element combines reflective and refractive imaging. The optical unit utilizes a dual-reflector outer annulus zone and a refractive inner zone to achieve a high numerical...
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4842393 |
Cuspated lens
A cuspate lens is disclosed having a slope magnitude which decreases from a maximum at a central cusp to a minimum at the periphery. A radially symmetric version of the lens can focus light into a...
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4711535 |
Ring field projection system
The present invention is directed to Optical Lithographic Systems which are particularly adapted, among many other possible uses, for use in effecting exposure of photoresist-coated semiconductor...
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4429957 |
Panoramic zoom lens assembly
A panoramic zoom lens assembly of the type including a reflector lens spaced from the image plane of an optical recording device such as a film camera or video camera is disclosed. The zoom lens...
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4256370 |
Cored lens for large refracting telescopes
A refracting telescope which is comprised essentially of an objective lens and an eyepiece is provided with a cored or annular lens for the objective lens thereby increasing the resolving power of...
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4214814 |
Variable soft focus lens system
A variable soft focus lens system particularly adapted for photography is disclosed. The lens system incorporates two lens groups, a first object side lens group having an image side, rearmost...
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4192579 |
Behind-stop type lens system for photographic cameras
A lens system for photographic cameras which has a very short total length and wherein aberrations are favorably corrected. Said lens system comprises a first positive meniscus lens component, a...
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4013347 |
Movable filter optical system for providing improved optical transmission characteristics
An image forming optical system, such as a photographic objective lens assembly is provided with a movable optical element. The movable optical element is designed and mounted so that it can...
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3489487 |
HIGH SPEED CATADIOPTRIC OBJECTIVE
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3298771 |
Stepped zone lenses for wide-angle oculars
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3213277 |
Apertured correcting diaphragm to reduce astigmatism in electron lens system
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3180218 |
Objective lens with mounting arrangement for photo-transducer
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3170025 |
Optical system for panoramic photographing
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3097255 |
Corrector for image-forming optical assemblies
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3065670 |
Optical imagery system
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3045530 |
Optical system having aberration correcting plate member with ring shaped phase retarding layers
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2986071 |
Photographic objectives
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2952180 |
Visual optical instrument having a combined reticle and field flattening element
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2821108 |
Deep-field optical objectives
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3588245 |
Title is not available
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