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7828443 |
Projector
A projector includes an integrator illumination optical system. The integrator illumination optical system includes: a first lens array having a plurality of first small lenses, a second lens...
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7803900 |
Thermoplastic resin film and method for producing the same
A method for treating an unstretched thermoplastic resin film. The method includes includes heat treating an unstretched thermoplastic resin film at a glass transition temperature of the...
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7785676 |
Optical compensation sheet, polarizing plate, and liquid crystal display device
An optical compensation sheet having, on a transparent support, an optically anisotropic layer comprising a liquid crystalline compound fixed by using a photo-polymerization initiator system,...
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7773174 |
Wide viewing angle compensation polarizing plate, liquid crystal panel and liquid crystal display
A wide viewing angle compensation polarizing plate of the invention comprises a laminate comprising an optical film (1) that is formed of an obliquely oriented material exhibiting...
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7764427 |
Microlithography optical system
An optical system, such as, for example, an illumination system or a projection lens of a microlithographic exposure system. The optical system can have an optical axis and include at least one...
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7710649 |
Optical polarizer and method for fabricating the same
An optical polarizer includes a supporting member and a polarizing film supported by the supporting member. The polarizing film includes at least one layer of a carbon nanotube film, and the carbon...
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7679824 |
Polarizing device, cross dichroic prism, liquid crystal projector, and method for fabricating polarizing device
A polarizing device having a synthetic resin film of a polarizing plate sandwiched and bonded between two glass members. At least a surface on one side of the polarizing plate is bonded to one of...
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7583440 |
Diffusely-reflecting polarizer having nearly isotropic continuous phase
The present invention provides a diffusely-reflecting polarizer having a first polymer which is amorphous and having a birefringence of less than about 0.02 and a second polymer, the first polymer...
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7532398 |
Light pipe and polarized-light source
A light pipe is obtained by laminating on one or both surfaces of a light-transmitting resin plate a polarized-light scattering plate having fine birefringent domains dispersed therein and hence...
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7387391 |
Apparatus and method for mounting imagers on stress-sensitive polarizing beam splitters
An optical device that includes an optical element, an imager, and a prism bracket. The optical element includes an optical element having first and second prisms coupled together. The imager is...
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7355791 |
Optical system and photolithography tool comprising same
An optical system, for example a lens for a photolithography tool, includes a group of optical elements (L1, L2) that each comprise a birefringent cubic crystal such as CaF2. The crystal lattices...
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7196797 |
Differential interferometer with improved cyclic nonlinearity
An interferometer system includes a plane mirror interferometer, a turning mirror, a retardation plate assembly having a retardation plate that can be adjusted and then fixed, and a retroreflector....
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7118229 |
Illumination optical system and projector using the same
The present invention provides a technique for readily changing the design of a projector. A projector comprises: an illumination optical system; a light modulation device; a projection optical...
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7061679 |
Light irradiating device
A light irradiating device for a photo-alignment process comprises an optical system and a first polarizer polarizing the light from the optical system. The light from the first polarizer is...
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7027224 |
Wave plate mounting
A compact mounting for a wave plate permits convenient rotational adjustment of the wave plate through an angle of at least one-half revolution to exploit asymmetry in the optical characteristics...
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7016113 |
Large scale polarizer and polarizer system employing it
A large scale polarizer comprises one or more quartz substrate parts formed as a rectangle, a triangle, or a parallelogram, and a polarizer holder supporting the quartz substrate part. The...
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6857745 |
Method of manufacturing illumination optical unit, apparatus for manufacturing illumination optical unit, illumination optical unit manufactured by the manufacturing method, and projector
A first positioning step positions and fixes a light focusing element and a polarization converting element. A beam introducing step introduces beams to a beam splitting element, the light focusing...
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6829110 |
Adjustment mechanism and projector employing the same
A projector which results in good contrast and high luminance by fine-adjusting a polarizer. The projector includes a polarizer angle adjustment mechanism in which a first frame arranged in the...
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6476966 |
Continuously variable, wavelength-independent polarization rotator
A useful optical device to provide continuously variable rotation of polarization of linearly polarized light in a wavelength-independent manner. This device features a cell of twisted nematic...
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6414792 |
Analyzer insert for a polarizing microscope
The invention relates to an analyzer insert (1) in which the rotation of an adjustment wheel (2) accessible from the outside is transmitted by means of two parallel adjustment levers (8, 9) of...
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6312130 |
Optical device, and projection display device including the same
To increase the usage efficiency of the light of optical elements used in a projection display device, a polarizing conversion unit is provided. This polarizing conversion unit consists of a unit...
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6160663 |
Film confined to a frame having relative anisotropic expansion characteristics
An assembly comprising a film bounded by a frame, the film having a first thermal expansion coefficient along a first direction parallel to the film and a second thermal expansion coefficient along...
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6055102 |
Optical isolator having surface mountable open core
An optical isolator (1) includes an isolator element (4) having an optical axis and a Faraday rotator (6) and at least one polarizer (7a, 7b) and a magnet (2). The magnet (2) is an open-core magnet...
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5986805 |
Polarizer/modulator assembly for lasers
A polarizer/modulator assembly (10) including a polarizing unit (12) and a modulator unit (14) that are selectively and independently positionable within a resonator cavity of a solid state diode...
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5598298 |
Polarization perception device
A polarization perception device comprises a base and a polarizing filter having opposite broad sides and a centerline perpendicular thereto. The filter is mounted on the base for relative rotation...
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5481402 |
Tunable optical filter
An tunable optical filter of the kind used, for example, in wavelength-division multiplexing (WDM) optical communication systems and tunable source applications, has an interference filter element...
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5357370 |
Polarizer and light valve image projector having the polarizer
A polarizer comprising; a substrate transparent to a light of actual use and optical thin films of a higher refractive index than that of said substrate deposited on both surfaces of said...
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4804256 |
Faraday rotators using a movable optical element
A Faraday rotator comprising an optical element having an optical axis, a means for generating a magnetic field along the optical axis of the optical element in order to rotate a plane of...
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4766303 |
Optical information system having a birefringence plate movably disposed in accordance with the detected light intensity
An optical information system includes an optical source emitting light. An information recording member is exposed to the emitted light. A beam splitter disposed between the light emitting source...
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4717241 |
Light deflection device
A light deflection device is comprised of a cantilever member, a light deflecting element provided near the fixed end of the cantilever member, and a means of imparting deflection to the free end...
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3875529 |
Rotatable intra-cavity polarizer for gas lasers (CO2 in particular)
A gas laser is equipped with a polarization adaptor which may be rotated ough 360°. The polarization axis may be rotated to any desired orientation by manipulating an outer control ring ...
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3743381 |
ARRANGEMENT FOR EFFECTING ROTATIONAL MOTION BETWEEN POLARIZING ELEMENTS
A control device comprising a roller-band and guiding assembly which minimizes friction, in conjunction with tackle means and fixed and rotatable light polarizers in a compact housing to effect a...
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3743380 |
POLARIZED LIGHT SOURCE FOR UNDERWATER USE
A circularly polarized underwater light source comprising: a conventional polarized light source with a well-collimated output; an efficient optical polarizer, which employs multilayer interference...
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3663089 |
HIGH ORDER WAVE PLATE CORRECTION OF POLARISCOPIC EFFECTS IN WINDOWS HAVING INFRARED FILTERING
A light-transmitting window apparatus including a system which impedes the transmission of infrared radiation and comprises a light-polarizing element and a high order wave plate.
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3649100 |
SLIDE PROJECTOR POLARIZING SLIDE UNIT
A polarizing slide unit of conventional 35 mm. photographic slide proportions or other standard slide proportions adapted to be handled or projected by a conventional diascope or slide projector....
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3551027 |
OUTBOARD POLARIZING LIGHT-TRANSMITTING MEANS
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3528722 |
HIGH ORDER WAVE PLATE CORRECTION OF SUNLIGHT POLARISCOPE EFFECT IN WINDOWS
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3521940 |
ADJUSTABLE ATTENUATION LASER SAFETY WINDOW
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3669526 |
AUTOMATIC ELECTRIC SELF-SYNCHRONIZING POLARIZING WINDOWS
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3466129 |
POLARIZING MICROSCOPE FOR IDENTIFYING PROPERTIES OF FIBER
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3379887 |
Electro-optical modulator
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3218919 |
Apparatus for making color compositions
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3208332 |
Device for optical examination of gem materials with polarized light
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3202053 |
Polarizing filter holders for inverted microscopes
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3137784 |
Device for protecting the eyes of welders
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3089802 |
Method of making polarized slides
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3062087 |
Apparatus for investigating polarized light phenomena
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2944463 |
Illuminating device particularly for objects in microscopes
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2915937 |
Visor
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2915936 |
Automobile visor with rotatable light polarizers
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