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| Number | Title | Issue Date |
| 8169716 | Optical apparatus with structure for liquid invariant performance A phase-adjusting element configured to provide substantially liquid-invariant extended depth of field for an associated optical lens. One example of a lens incorporating the phase-adjusting element includes the lens having surface with a modulated relief defining a... | 05/01/2012 |
| 8164837 | Negatively-refractive focusing and sensing apparatus, methods, and systems Apparatus, methods, and systems provide negatively-refractive focusing and sensing of electromagnetic energy. In some approaches the negatively-refractive focusing includes providing an interior focusing region with an axial magnification substantially less than one... | 04/24/2012 |
| 7872812 | Emitting and focusing apparatus, methods, and systems Apparatus, methods, and systems provide emitting, field-adjusting, and focusing of electromagnetic energy. In some approaches the field-adjusting includes providing an extended depth of field greater than a nominal depth of field. In some approaches the field-adjust... | 01/18/2011 |
| 7830618 | Negatively-refractive focusing and sensing apparatus, methods, and systems Apparatus, methods, and systems provide negatively-refractive focusing and sensing of electromagnetic energy. In some approaches the negatively-refractive focusing includes providing an interior focusing region with an axial magnification substantially less than one... | 11/09/2010 |
| 7710664 | Focusing and sensing apparatus, methods, and systems Apparatus, methods, and systems provide focusing, focus-adjusting, and sensing. In some approaches the focus-adjusting includes providing an extended depth of focus greater than a nominal depth of focus. In some approaches the focus-adjusting includes focus-adjustin... | 05/04/2010 |
| 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 on the first annular piece, and a deforming device coupled to the fir... | 11/24/2009 |
| 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 aberration resulting from the lens. ... | 06/30/2009 |
| 7317579 | Method and apparatus providing graded-index microlenses Microlenses are fabricated with a refractive-index gradient. The refractive-index gradient is produced in a microlens material such that the refractive index is relatively higher in the material nearest the substrate, and becomes progressively lower as the layer get... | 01/08/2008 |
| 7234815 | Optical viewing device having an apparatus for partial reduction of the illumination intensity The invention concerns an optical viewing device which incorporates a spectral filter to partially reduce the intensity or wavelength(s) of light transmitted to a specific region of a specimen which may be a human eye. The reduction in light intensity or wavelength ... | 06/26/2007 |
| 7190658 | Optical element having a plurality of ring-shaped zones An optical element-for use in an optical pickup apparatus for converging a light flux onto an information recording plane of an optical information recording medium, is provided with an optical path difference providing section divided coaxially around an optical ax... | 03/13/2007 |
| 7132648 | Uniform, non-disruptive, and radiometrically accurate calibration of infrared focal plane arrays using global scene motion A method of generating an image sequence that includes the steps of detecting scene irradiance using detectors in a focal plane array, generating an output image sequence for each of the detectors based on the detected irradiance, and correcting the output image seq... | 11/07/2006 |
| 7075880 | Optical pick-up device and objective lens used therein An optical pickup apparatus conducts recording or reproducing information for an information recording plane of a first or second optical information recording medium and comprises a first light source and a second light source mounted on a same base board; a conver... | 07/11/2006 |
| 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 optical axis. The light incident plane and/or the light exit plane comp... | 05/09/2006 |
| 6930973 | Optical element An optical element (16) introduces a first wavefront deviation when a first radiation beam having a first wavelength passes through it and a second wavefront deviation when a second radiation beam having a second wavelength different from the first wavelength... | 08/16/2005 |
| 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 and compact size, and is capable of focusing and zooming. This optical... | 08/02/2005 |
| 6924832 | Method, apparatus & computer program product for tracking objects in a warped video image Apparatus, methods and computer program products are disclosed that track movement or a moving object through a warped video image. The warped video image can result from a video camera attached to a warping lens such as a wide-angle lens or panoramic lens. Some emb... | 08/02/2005 |
| 6909543 | Foveated display system An improved theater geometry which is capable of providing improved image resolution and improved image contrast over prior systems is achieved with a unique projection geometry and image re-mapping technique. The projected image is provided with a continuously vari... | 06/21/2005 |
| 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 heights of the resulting MTFs and reducing the noise in the final images... | 01/11/2005 |
| 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 modulus after fabrication. ... | 11/02/2004 |
| 6504652 | Apparatus and method for laser processing A CO2 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. Then, the uniform intensity beam irradiates a mask 17 cont... | 01/07/2003 |
| 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 objective lens and an antireflection film formed thereon are se... | 05/14/2002 |
| 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 using a mechanical device, and aberration occurring during t... | 04/30/2002 |
| 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 through the aperture stop for spreading an image of a point ... | 01/23/2001 |
| 6157500 | Particle analyzer and composite lens formed by integrally joining plural lens elements of different focal points A flow cell 2, a composite lens 15, and first to third detectors 16 to 18 are arranged in this sequence in the light pathway of light emitted from a laser light source 1. The composite lens 15 is configured by a convex lens 15a, and lens elements 15b and ... | 12/05/2000 |
| 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 one of an incident surface which said light beam is intro... | 10/17/2000 |
| 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 reflect principal rays of electromagnetic radiation radiating ... | 09/12/2000 |
| 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 reflected by an original onto the photoelectric conversion ele... | 09/05/2000 |
| 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. The lens comprises an outer annular part (25) and an inner ... | 04/18/2000 |
| 6043912 | Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens An optical pickup apparatus compatible with at least two types of optical recording media, using light beams having respective different wavelengths for recording and reading information, the optical pickup apparatus including two laser light sources to e... | 03/28/2000 |
| 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 correcting mechanism, in combination, correct the light and output... | 10/12/1999 |
| 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 diffracts light passing therethrough and provides spreading of an... | 08/17/1999 |
| 5886834 | Passive scene base calibration system An image detection system (10) uses an optical configuration for both image forming and calibration phases of operation. A field lens (20) has an inner portion (36) of a conventional prescription to allow for collection of scene based energy for an opto-e... | 03/23/1999 |
| 5872658 | Zoom lens system A zoom lens system includes, from the object to image side, a first lens unit of a positive refractive power having a first lens element with a power to both diffract and refract light. A second lens unit has a negative refractive power and may include a ... | 02/16/1999 |
| 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 elements has a diffractive lens on a curved surface thereof ... | 02/10/1998 |
| 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 groups of optics, each having very distinct functions. The f... | 05/20/1997 |
| 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 first element forms an imaginary pupil. The energy from th... | 05/06/1997 |
| 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 beam onto a target for ablation or exposure applications ... | 05/18/1993 |
| 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 substantially parallel rays (13) from the marker, the lens (4... | 03/09/1993 |
| 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 sliced transform lens is used to separate the composite image o... | 02/23/1993 |
| 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 aperture. This system is particularly suitable for, but not l... | 08/27/1991 |
