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7414784 Low fill factor wire grid polarizer and method of use  
In an example embodiment, a wire grid polarizer includes a plurality of parallel conductors having a pitch (P), a width (W), and a height (H). In example embodiments, a fill-factor (W/P) is greater...
7408712 Polarization-selectively blazed, diffractive optical element  
A polarization-selectively blazed, diffractive optical element including multiple contiguous blaze structures extending along a given geometrical path. Each structure has a width perpendicular to...
7379241 High efficiency phase grating having a planar reflector  
An apparatus for processing electromagnetic radiation. The apparatus comprises a dielectric reflector, a plurality of ridges disposed on the dielectric reflector and a plurality of grooves disposed...
7375887 Method and apparatus for correcting a visible light beam using a wire-grid polarizer  
An optical system and method for providing a visible light beam with a desired characteristic includes a visible light source producing a visible light beam defining an optical train. An optical...
7371329 Method for filtering particles from a fluid  
Methods for filtering particles from a fluid are disclosed, wherein an array of microstructures defining respective microchannels having respective minimum widths are used to separate the fluid...
7339734 Polarization control element, manufacturing method of polarization control element, design method of polarization control element, and electronic equipment  
A manufacturing method of a polarization control element which is placed in a first medium and used and which is provided with a striped structure of a period shorter than a wavelength of light to...
7319558 Wide-band wave plate and a controlling method thereof  
A wide-band wave plate having at least two wave plates, each of which has a microstructure to generate a phase difference, the microstructure having a cycle not shorter than 1/n min of a shortest...
7304719 Patterned grid element polarizer  
The invention relates to a patterned grid polarizer for use in lithography, comprising a substrate that is transparent to ultraviolet (UV) light; and an array of elements patterned on the...
7301700 Polarization beam splitter and optical system using the same, and image displaying apparatus, using the same  
The polarization beam splitter of the present invention includes a polarized beam splitting layer having a structure in which a plurality of gratings parallel to a first direction are periodically...
7298935 Waveguide polarization beam splitters and method of fabricating a waveguide wire-grid polarization beam splitter  
A method in effectuating the redirection of light which is propagated within a waveguide, and which eliminates the necessity for a bending of the waveguide, or the drawbacks encountered in...
7268946 Universal broadband polarizer, devices incorporating same, and method of making same  
A polarization dependent device suitable for effecting at least one polarization of a broadband portion of electromagnetic radiation incident upon the device is disclosed. This device includes a...
7255444 Optical unit and projection-type image display apparatus using the same  
A technique according to the present invention allows a projection-type image display system to suppress the temperature rise of the polarization split devices and secure high image quality....
7245432 Dual diffraction-grating device  
A diffraction grating device ( 100 ) has both reflecting ( 108 ) and transmitting ( 106 ) gratings inter leaved to allow both transmission diffraction patterns and reflection diffraction patterns...
7227689 Birefringence optical element and manufacturing method thereof  
A mask with an opening pattern is placed on a substrate, and etching is carried out by use of anisotropy etching of crystal. The opening pattern of the mask is composed of broken lines, each of...
7227684 Method and system for providing beam polarization  
A radiation polarizer, controller, and a method of radiation polarization and beam control, are disclosed. The radiation polarizer includes a substrate, at least one anti-reflection coating layer...
7221509 Method and apparatus for optical pickup capable of performing an effective polarization split  
A polarization split device that includes an optically isotropic substrate, an optically anisotropic film, and a diffraction grating. The optically anisotropic film is formed on the optically...
7221501 Stationary and dynamic radial transverse electric polarizer for high numerical aperture systems  
A radial transverse electric polarizer device is provided. The device includes a first layer of material having a first refractive index, a second layer of material having a second refractive...
7203001 Optical retarders and related devices and systems  
In certain aspects, the disclosure relates to articles that include a plurality of walls configured to form a grating. Each of the plurality of walls can include a layer of a first material and a...
7192147 Lighting system and projector  
The invention provides a compact, thin, and lightweight lighting system and projector. A lighting system included in a projector according to the present invention is provided with an LED array...
7190521 Space-variant subwavelength dielectric grating and applications thereof  
An optical device includes a planar subwavelength grating ( 10 ) formed in a dielectric material and having a laterally varying, continuous grating vector. When used to modulate a beam of laterally...
7186968 Polarization sensitive solid state image sensor including integrated photodetector and polarizing assembly and associated methods  
A polarization sensitive solid state image sensor includes an integrated photodetector and polarizing assembly. The polarizing assembly is formed directly on an upper dielectric surface of the...
7158302 Wire grid polarizer with double metal layers  
A wire grid polarizer with double metal layers for the visible spectrum. Parallel dielectric layers having a period (p) of 10˜250 nm and a trench between adjacent dielectric layers overlie a...
7130120 Prism, projection and optical component  
An apparatus for transmitting or reflecting incident light. The apparatus includes a pair of diffraction grid substrates; a substantially grid-shaped diffraction grid formed of metal, wherein the...
7116478 Polarization beam splitter and optical system using the same, and image displaying apparatus, using the same  
In a conventional polarization beam splitter, it has been difficult to improve the angle-dependence characteristic of polarized beam splitting efficiency even if the number of layers is increased....
7113336 Microlens including wire-grid polarizer and methods of manufacture  
Microlenses including wire-grid polarizers and methods for their manufacture are disclosed. The method involves forming wire-grid polarizer patterns on a surface of the microlens. The devices and...
7113335 Grid polarizer with suppressed reflectivity  
Disclosed is a grid polarizer comprising a substrate; and a plurality of stacked metal and dielectric layers, having a width w, disposed on the substrate and forming a parallel grid of stacked...
7106507 Flexible wire grid polarizer and fabricating method thereof  
The present invention provides a flexible wire grid polarizer used in a visible ray band and a fabricating method thereof. The present invention includes the steps of forming a non-adhesive layer...
7098442 Thin micropolarizing filter, and a method for making it  
A polarizing filter includes a portion with a filtering layer having a plurality of openings extending therethrough, where this portion has a maximum physical thickness in a radiation travel...
7090350 Optical projection system and method  
An optical projection system can receive a red light beam, green light beam, and blue light beam. The optical projection system includes a color-combination prism, and the light beams respectively...
7085051 Polarizer and optical device using the polarizer  
A polarizer for converting incident light beam into a linear polarization light beam has a base plate of a material of low linear expansion coefficient, high thermal conductivity or low...
7085050 Polarized light beam splitter assembly including embedded wire grid polarizer  
A polarized light beam splitter system provides a polarized light beam splitter including an embedded wire grid polarizer. Spacers ensure a uniform distance between an exposed surface of an...
7068413 Near-normal incidence quasi-optical reflective Faraday rotator for high power millimeter wave radars  
An optical element having characteristics suitable for use in a Faraday rotator has bonded to each of the adjacent radiation-receiving surfaces thereof with a chamber or water conducting conduit...
7054064 Optical polarizer and method for fabricating such optical polarizer  
The present invention provides an optical polarizer and a method of fabricating such an optical polarizer. The optical polarizer includes a support member and an optical polarizing film supported...
7046442 Wire grid polarizer  
An object is to provide a wire grid polarizer with an excellent optical property, which enables to maintain the polarization extinction ratio high and level in the broadband wavelength region with...
7046441 High transmittance sub-wavelength structure polarization module  
The present invention relates to a high-transmission polarization module composed of sub-wavelength structures, which comprises: a transmission substrate and a plurality of collimation units. The...
7026046 Component comprising submicron hollow spaces  
An optical component or an analytical platform includes a substrate, an array of microstructures on the substrate and microchannels formed by side walls of adjacent microstructures, a width of the...
7023602 Reflective LCD projection system using wide-angle Cartesian polarizing beam splitter and color separation and recombination prisms  
An optical imaging system including an illumination system, a Cartesian PBS, and a prism assembly. The illumination system provides a beam of light, the illumination system having an f/# less than...
7009768 Optical component and method of manufacturing same  
A multilayer film having two kinds of films of different refractive indexes alternately stacked on each other on a substrate composed of an optical element is formed in a plurality of parallel...
7002743 Polarization conversion system  
A polarization conversion system comprises a glass substrate; reflection type polarization plates, formed between top and bottom surfaces of the glass substrate and inclined at a predetermined...
7002742 Polarizing function element, optical isolator, laser diode module and method of producing polarizing function element  
This invention has the polarizing function of polarizing an input beam and a non-reflecting function of suppressing reflection of the input beam, wherein at least one side of a light-transmissive...
6982773 Exposure system for creating a patterned polarization compensator  
A modulation optical system ( 40 ) provides modulation of an incident light beam. A wire grid polarization beamsplitter ( 240 ) receives the beam of light ( 130 ) and transmits a beam of light...
6972906 Space-variant subwavelength polarization grating and applications thereof  
An optical device includes a plurality of metallic stripes, arranged in a substantially planar, subwavelength grating having a laterally varying, continuous grating vector, deposited on a substrate...
6956698 Optical polarized light source device and method of making same  
The present invention provides fan optical polarized light source device. The polarized light source device includes at least one carbon nanotube bundle ( 204 ) and two gold electrodes ( 206 )...
6954245 Display apparatus with two polarization compensators  
A projection display apparatus ( 10 ) uses a modulation optical system ( 200 ) that includes a liquid crystal device ( 210 ) in combination with a wire grid polarization beamsplitter ( 240 ), a...
6943941 Stationary and dynamic radial transverse electric polarizer for high numerical aperture systems  
A radial transverse electric polarizer device is provided. The device includes a first layer of material having a first refractive index, a second layer of material having a second refractive...
6922287 Light coupling element  
A light coupling element is proposed with a surface ( 3 ) of a material which is transparent to light of a given wavelength (λ). In order for the light coupling element to act independently of the...
6900866 Modulation optical system with compensator  
A modulation optical system ( 40 ) provides modulation of an incident light beam. A wire grid polarization beamsplitter ( 240 ) receives the beam of light ( 130 ) and transmits a beam of light...
6897926 Modulation optical system including a compensator conditioning oblique and skew rays  
A projection display apparatus ( 10 ) uses a modulation optical system ( 200 ) that includes a liquid crystal device ( 210 ) in combination with a wire grid polarization beamsplitter ( 240 ), a...
6844971 Double sided wire grid polarizer  
A wire grid polarizer ( 100 ) for polarizing an incident light beam ( 130 ), comprising a substrate ( 505 ) having a first surface ( 410 ) and a second surface ( 510 ); and a first array of...
6833953 Polarizer and optical device using the polarizer  
A polarizer for converting incident light beam into a linear polarization light beam has a base plate of a material of low linear expansion coefficient, high thermal conductivity or low...
Matches 1 - 50 out of 128 1 2 3 >