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| Number | Title | Issue Date |
| 8027094 | Lenses, optical sources, and their couplings A lens may operate in the mid-IR spectral region and couple highly divergent beams into highly collimated beams. In combination with a light source having a characteristic output beam, the lens may provide highly stable, miniaturized mid-IR sources that deliver opti... | 09/27/2011 |
| 7940465 | Collimator array A collimator array using a molded element to hold the input fibers and to collimate the light. The input fibers are held within holes in one face of the element, and the collimation of the light emitted from the ends of the fibers is performed by an array of lenses ... | 05/10/2011 |
| 7940464 | Optical system and corresponding optical element The invention relates to an optical system comprising: at least one source of illumination designed to produce an illuminating beam; and at least one imager able to produce an imaging beam when illuminated by the s... | 05/10/2011 |
| 7929216 | Collimate lens assembly A collimate lens assembly is provided which includes the first collimate lens which has a total reflection surface and a plurality of refracting surfaces, and the second collimate lens which is connected to the hole, and the second collimate lens has a greater refra... | 04/19/2011 |
| 7907344 | Variable dispersion compensator and method of controlling the same In order to perform dispersion compensation for an optical signal of light introduced from an input light collimator, a variable dispersion compensator includes: a group delay characteristic control unit which controls group delay characteristics at a group delay ch... | 03/15/2011 |
| 7907345 | Collimating module and device for zero overfill illumination applications with beam width control A collimating module is presented. The collimating module comprises a rounded light entry side and a rectangular light exit side. A collimating device is also presented, and a method for providing collimated light. The collimating device comprises a first collimator... | 03/15/2011 |
| 7889430 | LED-based high efficiency illumination systems for use in projection systems The dilemma encountered in most projection systems of having the etendue of the LED-based light source used often being much larger than the etendue of the imager used, causes such systems to have poor throughput efficiency. The etendue folding illumination systems ... | 02/15/2011 |
| 7880971 | Light-collimating film A light-collimating film includes a transparent substrate, multiple reflective elements, and multiple micro structures. The transparent substrate has a light incident surface and a light-emitting surface opposite the light incident surface. The reflective elements a... | 02/01/2011 |
| 7869130 | Line beam illumination optical system A line beam illustration optical system is disclosed. In accordance with an embodiment of the present invention, the line beam illustration optical system can include a first lens, emitting a beam of light incident from a light source in a first direction; a second ... | 01/11/2011 |
| 7843644 | Compact free-space WDM device with one-sided input/output ports Techniques for designing compact free-space optical device with all input/output ports on one side are disclosed. Instead of folding a fiber, a beam folding means is provided to turn a light beam to significantly reduce the size of the device. In one embodiment, the... | 11/30/2010 |
| 7830609 | Laser light beam coupling apparatus Plural collimator lenses are arranged corresponding to plural laser light sources to collimate light beams emitted from the laser light sources into substantially parallel light beams, respectively. A condenser lens focuses the substantially parallel light beams. A ... | 11/09/2010 |
| 7830608 | Multiple emitter coupling devices and methods with beam transform system Methods and devices for coupling the output of multiple emitters of a laser diode bar using a beam transform system with high brightness and coupling efficiency. Some embodiments may include wavelength locking with devices such as VBGs and other suitable devices and... | 11/09/2010 |
| 7796341 | Lenses, optical sources, and their couplings A lens may operate in the mid-IR spectral region and couple highly divergent beams into highly collimated beams. In combination with a light source having a characteristic output beam, the lens may provide highly stable, miniaturized mid-IR sources that deliver opti... | 09/14/2010 |
| 7768709 | Long time aperture optical tapped delay line An optical tapped delay line device in accordance with the present invention is a method for and device for spatially resolving the spectral components of an optical signal, i.e., channelizing or spectrum analyzing the wavelength content of an optical signal. The de... | 08/03/2010 |
| 7768710 | Optical film having luminous flux An optical film has symmetrical arrangement light-collecting units. The light-collecting units can be extended for several times. The light-collecting unit has apex angles and base angles with different degrees. Thus, a uniform luminous flux and a good light intensi... | 08/03/2010 |
| 7764435 | Reduced-footprint illumination system using highly-efficient optical collection and reflection surface(s) and method for manufacturing optical elements used therein An improved optical collection and transmission surface includes a plastic mold injection surface including staggered multiple transmission sites each with a recessed portion in which incident light is not lost during reflection towards the propagation surface. A de... | 07/27/2010 |
| 7738178 | Laser assembly A laser assembly is suitable for coupling laser light into at least one optical fiber. The laser assembly contains a plurality of laser light sources disposed spaced from a light entrance surface of the at least one optical fiber. The laser light sources are divided... | 06/15/2010 |
| 7692867 | Enhanced parfocality Devices and methods that reduce or eliminate chromatic or comatic variations in the location of the excitation or emission in an optical system such as a confocal microscope, by enhancing parfocality are provided. Such devices include an optical collimator comprisin... | 04/06/2010 |
| 7602554 | Optical scanning apparatus A compact optical scanning apparatus which can change the focal position of a light beam at high speed is provided. In this optical scanning apparatus, a collimating lens (5) which parallelizes a light beam from a light source (1) is formed by a KTN cr... | 10/13/2009 |
| 7595934 | Integrated sub-assembly having a light collimating or transflecting device Integrated sub-assemblies for light management are disclosed herein. The integrated sub-assemblies include a plurality of films and/or elements, including a light collimating device and/or a transflecting device. At least two of the elements are coupled such that th... | 09/29/2009 |
| 7580192 | Collimation lens system for LED A collimation lens system for converging the light from an LED into a light beam, includes a central lens aligned along the optical axis of the LED for converging inner light from the LED, the central lens including an aspheric collimation plano convex lens having a... | 08/25/2009 |
| 7573642 | System for collimating backlight A collimating device and a transflector for use in a system having a backlight is disclosed herein. In one embodiment of the application, the collimating device and the transflector each include an immersing layer, a reflecting layer, and an optical element layer fo... | 08/11/2009 |
| 7554742 | Lens assembly A lens assembly for use with a light source and including an inner lens and a light directing portion. The inner lens collects light rays from the light source through a light-collecting face and emits at least a portion of the light rays radially through a series o... | 06/30/2009 |
| 7554741 | Optical transmission device and light-receiving module An optical transmission device is provided with a first optical member having a negative refraction angle with respect to an incident angle of a beam and a second optical member having a positive refraction angle with respect to the incident angle, wherein the first... | 06/30/2009 |
| 7515346 | High power and high brightness diode-laser array for material processing applications Arrangements for combination and fast-axis alignment of fast-axes of diode-laser beams are disclosed. Alignment arrangements include providing each diode-laser with a corresponding alignable fast-axis collimating lens, providing individually alignable mirrors for st... | 04/07/2009 |
| 7495837 | Collimating lens structures An optic element receives an input light beam with a first beam angle and an axis. The optic element includes a first surface that receives the input light beam and generates an expanded light beam with a second beam angle that is greater than or equal to the first ... | 02/24/2009 |
| 7495838 | Collimation lens group adjustment for laser system A laser system comprising a laser assembly for generating a light beam, and collimation assembly movable axially with respect to the laser assembly and being positioned in the optical path of the light beam. The collimation assembly comprises a collimation lens grou... | 02/24/2009 |
| 7480101 | Light collimating device A collimating device and a transflector for use in a system having a backlight is disclosed herein. In one embodiment of the application, the collimating device and the transflector each include an immersing layer, a reflecting layer, and an optical element layer fo... | 01/20/2009 |
| 7438424 | Illumination optical apparatus and projection type display apparatus An illumination optical apparatus and a projection type display apparatus capable of enhancing an illumination efficiency; having an ellipsoidal mirror, a light source arranged at a first focal point of the ellipsoidal mirror, a stop arranged closer to said light so... | 10/21/2008 |
| 7428367 | Light control devices and methods of making same A light control device is disclosed that includes a two film construction, each film having a plurality of light reflecting regions. For example, the light absorbing elements can be a series of grooves or column-like indentations in the films that are filled or coat... | 09/23/2008 |
| 7423818 | Method of suppressing distortion of a working laser beam of a laser link processing system A method of suppressing distortion of a working laser beam directed for incidence on a target specimen presented for processing by a laser link processing system uses a spatial filter to remove stray light-induced distortion from the working laser beam. ... | 09/09/2008 |
| 7411742 | Focusing lens for LED A focusing lens for an LED is provided. The focusing lens for an LED, which concentrates light emitted from the LED so as to have directionality parallel to an optic axis, comprises: a transparent body; a first lens part formed in the body; and a second lens part co... | 08/12/2008 |
| 7411735 | Illumination system incorporating collimated light source An optical system and a projection system incorporating same are disclosed. The optical system includes a light source that is capable of emitting light. The emitted light includes one or more substantially collimated discrete light beams. The optical system further... | 08/12/2008 |
| 7399088 | Pupil mismatch in a collimated display system An image projection system has a first lens with a defined entrance pupil. An image source has an image field and a defined exit pupil. The exit pupil of the image source is configured such that the exit pupil of the image source underfills the entrance pupil of the... | 07/15/2008 |
| 7369320 | Projection system with beam homogenizer A projection system having a prescribed relationship between the condenser and the projection lens is disclosed, where an imager gate normally coinciding with a projection object plane is between and spaced away from a condenser back focal plane and a condenser imag... | 05/06/2008 |
| 7369482 | Optical pick-up aberration correcting mirror, aberration correcting method and optical pick-up It is an object of the invention to provide an aberration correcting mirror which has a small size, power saving, a low voltage, a low price and high precision. In particular, it is an object to provide a practical mirror for correcting a spherical aberration. | 05/06/2008 |
| 7365905 | Collimated optical system An optical system provides a lens cell having a generally cylindrical lens cell body and an optical lens system therein. The lens cell body has a lens cell central longitudinal axis and a lens cell optical axis, eccentrically offset from the lens cell central longit... | 04/29/2008 |
| 7355798 | Optical system for collimating elliptical light beam and optical device using the same An optical system (20) for efficiently collimating an elliptical light beam includes a light source (21), a collimator (22), and at least one prism (23,24). The light source is adapted for providing an elliptical light beam defining diffe... | 04/08/2008 |
| 7352791 | Optical systems including wavefront correcting optical surfaces The present invention relates to optical systems, beam expanding assemblies, line narrowing modules, and lasers having refractive optical elements with wavefront correcting optical surfaces. The present invention enables the skilled artisan to provide optical system... | 04/01/2008 |
| 7350311 | Pipe cutting template A universal reusable template for cutting ends of cylindrical objects such as pipes, in preparation for joining the cylindrical objects to other cylindrical bodies. The template is formed as a flat flexible bendable sheet with magnetic properties allowing the sheet ... | 04/01/2008 |
