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7450306 |
Optical filter for blocking UV light and IR light
An exemplary optical filter includes a substrate, a plurality of contiguous identical lower filter cavities formed on the substrate, and a plurality of contiguous upper filter cavities formed on...
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7447891 |
Light modulator with concentric control-electrode structure
An electronic device for at least partially displaying a pixel of an image, the device comprising first and second reflectors defining an optical cavity therebetween, the optical cavity being...
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7436596 |
Optical sensor based on surface electromagnetic wave resonance in photonic band gap materials and method for using same
A sensing method and apparatus using photonic band gap multilayered material. Photonic band gap multi-layers are formed from alternating layers of higher refractive index and lower refractive index...
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7428102 |
Optical element
An optical element which includes an optical block having a cavity part formed on an optical path and an inclined face formed in an internal face of the cavity part at a prescribed inclining angle...
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7420735 |
Transmission type diffraction grating
A transmission diffraction optical element is presented in which ridges having a roughly rectangular cross-section shape are disposed parallel to each other at a regular pitch at the surface of a...
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7418206 |
Control method of wavelength dispersion compensator, and wavelength dispersion compensator
It is an object of the present invention to provide a control technique for reducing wavelength dependence of wavelength dispersion values and also for suppressing a change in wavelength...
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7417219 |
Effect of the plasmonic dispersion relation on the transmission properties of subwavelength holes
Using a realistic plasmonic model, an optically thick electrically conductive film with subwavelength hole or holes therein is shown to always support propagating modes near the surface plasmon...
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7405880 |
Multilayer optical filter
In one aspect, the invention features articles that include a substrate having a first surface and a second surface contiguous with the first surface. The first and second surfaces are...
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7405873 |
UV-bandpass filter and application to UV-detecting apparatus or light-emitting apparatus
A UV-bandpass filter for transmitting therethrough light having a wavelength included in a UV-region. The bandpass filter is an optical filter including a thin silver film; wherein the thin silver...
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7400458 |
Imaging optics with wavelength dependent aperture stop
An imaging system includes a wavelength dependent aperture stop, which transmits light with different ranges of wavelengths through apertures of different diameters. Thus, different colored light...
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7397604 |
Narrow bandpass filter assemblies for solar telescopes
The invention relates to the combination of lower transmittance etalons with higher transmittance filters, including use of a single circular polarizer with high efficiency and optical performance...
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7394986 |
Flat top optical filtering component
The invention relates to wavelength-selective optical filters for allowing light of a narrow optical spectral band, centered around a wavelength (λ c ) to pass through them, while reflecting the...
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7385763 |
Thick film multilayer reflector with tailored layer thickness profile
A multilayer reflector useable to reflect or transmit light over the visible wavelength range includes optically thick constituent layers. The optical thickness of the constituent layers through...
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7379224 |
Electrochromic rearview mirror assembly incorporating a display/signal light
According to one embodiment of the present invention, an electrochromic rearview mirror assembly for a vehicle includes an electrochromic mirror having a variable reflectivity, a glare sensor for...
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7369314 |
Optical filter and optical instrument
In an optical filter, a thin film is formed by laminating low refractive index layers alternatingly from a substrate side with high refractive index layers. The thin film is provided with first,...
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7369312 |
Thin layered micro optics polarization converter
A thin optic electro magnetic radiation polarization converter, available in various combinations, used to convert non-polarized radiation into a single polarization state, which may be utilized in...
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7362506 |
Ultra-bright light engine for projection displays
A projector incorporating a prism and a plurality of light valves for modulating light that passes though the prism, wherein the color splitting-converging prism includes a dichroic coating having...
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7350929 |
Method for controlling a lighting device
A method for controlling a lighting device that consists of at least a lighting source, a color sequential device and a single light valve consisting of an array of light processing elements that...
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7342716 |
Multiple cavity low-emissivity coatings
Multiple cavity low-emissivity coatings. The coating includes three infrared-reflection film regions, which may each include silver.
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7342712 |
Filters, including optical filters, having equal group delay ripple and minimized phase non-linearity within their pass bands
The present invention provides an optical telecommunications network that includes at least one of a filter having equal group delay ripple and minimized phase non-linearity which is formed by the...
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7339728 |
Low-emissivity coatings having high visible transmission and low solar heat gain coefficient
Low-emissivity coatings that are highly reflective to infrared radiation. The coating includes three infrared-reflection film regions, which may each include silver.
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7333266 |
CWDM filter
A CWDM filter of the present invention comprises a first portion and a second portion. The first portion includes at least two Fabry-Perot cavity structures, and the second portion comprises a non...
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7324283 |
Optical filter and optical instrument
In an optical filter, a thin film is formed by laminating low refractive index layers alternatingly from a substrate side with high refractive index layers. The thin film is provided with first,...
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7321467 |
Anti-reflection coating layer and design method thereof
An anti-reflection coating layer is formed between an under layer and a photoresist layer. The anti-reflection coating is characterized in a refraction value (n) of the anti-reflection coating...
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7317576 |
Dichroic filters on flexible polymer film substrates
Now, according to the present invention, dichroic filters are provided that incorporate a flexible polymer film substrate, such as poly(ethylene naphthalate), onto which a dielectric and/or...
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7315667 |
Propagating light to be sensed
Light to be sensed is spreaded across an entry surface of a transmission structure with a laterally varying energy transmission function. For example, the light could be output from a...
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7315420 |
CWDM filter with four channels
A CWDM filter having four channels of the present invention comprises a substrate and odd number of stack structures. Each stack structure includes a first multi-layer stack, a spacer layer, a...
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7312925 |
Optical filter and optical instrument
In an optical filter, a thin film is formed by laminating low refractive index layers alternatingly from a substrate side with high refractive index layers. The thin film is provided with first,...
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7311938 |
Ultra low residual reflection, low stress lens coating
A method is provided for coating optical lenses and other optical articles with anti-reflection (AR) coatings. The lenses have low reflectivity, provide a substantially white light reflection and...
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7306941 |
Biochemical measuring chip and measuring apparatus
A simple and convenient sensor and measuring apparatus utilizing the optical interference effect of an optical thin film capable of measuring the binding between biochemical substances at a high...
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7304801 |
Distributed Bragg reflector systems and methods
A distributed Bragg reflector includes a first layer formed to be a first thickness, and a second layer formed to be a second thickness. A method of forming a distributed Bragg reflector includes...
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7304800 |
Optical tunable filter and method of manufacturing the same
An optical tunable filter is provided including a first substrate having light transmission properties and having a movable part and a supporting member that movably supports the movable part and...
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7301703 |
Tunable filter and method of manufacturing the same, and sensing device
A tunable filter including; a fixed substrate provided with a fixed reflecting film and capable of transmitting light having a shorter wavelength than infrared light; a movable substrate provided...
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7301695 |
Anti-reflective film and optical element having anti-reflective film
In an anti-reflective film including alternating layers of high refractive-index layers and low refractive-index layers, by designing such that a designed central wavelength .lamda. 0 is within a...
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7298550 |
Dichroic mirror, fluorescence filter set, and fluoroscopy apparatus
The invention provides a dichroic mirror having a transmission characteristic in which a step due to splitting of P-polarized and S-polarized light can be reduced and having a...
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7297393 |
Optical film
Birefringent optical films have a Brewster angle (the angle at which reflectance of p-polarized light goes to zero) which is very large or is nonexistent. This allows for the construction of...
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7289268 |
Optical filter and optical instrument
In an optical filter, a thin film is formed by laminating low refractive index layers alternatingly from a substrate side with high refractive index layers. The thin film is provided with first,...
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7289264 |
Passive broad long wave and mid-wave infrared optical limiting prism
Method for limiting the amount of radiation impinging on a radiation sensitive detector (RSD) responsive to signals having infrared wavelengths of approximately 3 to 14 microns. Method includes:...
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7278743 |
Single panel illumination system and projection display apparatus using the same
The present invention provides an illumination system and projection system using the same. The present invention can eliminate the reflective light on the internal optical surface of the optical...
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7277228 |
Optical filter and optical instrument
In an optical filter, a thin film is formed by laminating low refractive index layers alternatingly from a substrate side with high refractive index layers. The thin film is provided with first,...
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7274512 |
Optical filter and optical instrument
In an optical filter, a thin film is formed by laminating low refractive index layers alternatingly from a substrate side with high refractive index layers. The thin film is provided with first,...
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7274511 |
Anti-reflection film, organic EL device, and display medium using the anti-reflection film and the organic EL device
The anti-reflection film has reflectance minimums in at least prime colors. The reflective display medium has the reflectance minimums in at least the prime colors. The light emitting display...
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7271959 |
Optical filter and optical instrument
In an optical filter, a thin film is formed by laminating low refractive index layers alternatingly from a substrate side with high refractive index layers. The thin film is provided with first,...
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7271951 |
Cards and laminates incorporating multilayer optical films
New constructions of multilayer optical films, laminates thereof, and cards incorporating same are disclosed. In a card, the multilayer optical film can be sandwiched between relatively thick...
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7265905 |
Optical filter and optical instrument
In an optical filter, a thin film is formed by laminating low refractive index layers alternatingly from a substrate side with high refractive index layers. The thin film is provided with first,...
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7262913 |
Chromatic dispersion and dispersion slope compensating apparatus
In a chromatic dispersion and dispersion slope compensating apparatus according to the present invention, a WDM light which has been angularly dispersed to a first direction by a VIPA plate, is...
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7257197 |
Reflector rack, fabrication method thereof, and narrow brand x-ray filter and system including same
A stackable rack may comprise: at least two rails, a cross-section of each rail having a shape resembling a staircase, first step portion of which represents a first surface upon which a reflector...
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7256948 |
Anti-reflection coating, and optical element and optical system with anti-reflection coating
An anti-reflection coating is formed on an optical surface of an optical member for reducing the amount of light rays reflected from the optical surface. For light rays in a wavelength range from...
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7233719 |
Dispersion slope compensator
In a dispersion slope compensator of the invention, angular dispersion of a WDM light in which the angular dispersion is already performed in a first direction (Y-axis) with a VIPA plate is...
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7230779 |
ND filter and aperture diaphragm apparatus
An ND filter is made of a transparent substrate having a plane. An optical film is formed on the plane of the transparent substrate. The optical film has a lamination structure including a light...
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