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7599119 Antireflection coating, optical element, and optical transceiver module  
An antireflection coating provided on an optical element which passes through at least two wavelengths of light in the wavelength range of 1300-1600 nm, wherein the antireflection coating...
7583443 Reflective optical element for ultraviolet radiation, projection optical system and projection exposure system therewith, and method for forming the same  
A reflective optical element ( 1 ) for radiation with a wavelength λ in the ultraviolet wavelength range comprises a reflective surface ( 6 ), and a dielectric multilayer system ( 4 ) formed on...
7580191 Wavelength branching filter and optical communication module  
There is provided a low-cost wavelength branching filter that transmits lights of 1310 nm wavelength band, and reflects light of 1490 nm and 1650 nm wavelength bands. In one embodiment, a...
7580188 CWDM filter  
A CWDM filter includes a substrate and a multi-layer structure coated on one side of the substrate. The multi-layer structure has the construction of H(LH) 2 4L(HL) 3 H(LH) 3 4L(HL) 3 H(LH) 4...
7576860 Light filter having a wedge-shaped profile  
A light filter includes exactly one partially reflective layer having a top and a bottom and a wedge-shaped profile defining a wedge direction. First and second transparent layers are disposed on...
7573639 Terahertz-band optical filter, designing method thereof, and manufacturing method thereof  
A terahertz band optical filter having a dielectric multilayer periodic structure in which a plurality of dielectric materials are periodically layered. Multi-cavity layers each having an optical...
7570428 Multilayer minus filter and fluorescence microscope  
A multilayer minus filter for reflecting a light having a predetermined wavelength and transmitting a light having a wavelength longer than and shorter than the predetermined wavelength, includes a...
7564628 Multiple band reflector with metal and dielectric layers  
Now, according to the present invention, multiple band optical reflectors are provided that utilize a stack of metal and dielectric layers to create a reflection curve in the visible spectrum that...
7560156 Strip shaped safeguarding element  
The present invention relates to a security element in the form of a strip. The strip exhibits optical effects which vary, depending on the illumination or viewing direction. The optical effects...
7532384 π-Phase shift device for light  
A phase shifter includes at least one photonic crystal structure having alternating high and low index dielectric layers. At least two defect structures are positioned between said photonic crystal...
7525730 Method and device for generating white in an interferometric modulator display  
Various embodiments of the invention relate to methods and systems for generating the color white in displays created from interferometric modulators and more specifically, to the generation of the...
7518795 Filter module, optical module and method for fabricating the same  
A filter module, has an excellent high temperature and high humidity resistance. The filter module includes an optical filter assembly including multilayer filters and transparent members that is...
7508599 Optical system with wavelength selecting device  
The object is to provide an optical system with a wavelength selecting device. According to one aspect of the present invention, an optical system with a wavelength selecting device includes, in...
7495832 Light dispersion filter and optical module  
A light dispersion filter is composed of three or more optically transparent layers each having a value equal to the value of the product of the refractive index and thickness of the optically...
7492989 Hybrid transmission-reflection grating  
A hybrid transmission-reflection grating includes an array of essentially parallel principal interfaces, with each principal interface separating a first medium and a second medium. The first...
7483213 Image combining viewer  
An image combining viewer transmits a daylight image directly through the viewer, while reflecting at least one wavelength other than visible light towards a sensor. A display for displaying the...
7483211 Optical tunable filter and method of manufacturing the same  
An optical tunable filter has a fixed substrate having a first recess formed therein and a movable substrate bonded to the fixed substrate. The movable substrate includes a movable portion having...
7463413 Spectral purity filter for a multi-layer mirror, lithographic apparatus including such multi-layer mirror, method for enlarging the ratio of desired radiation and undesired radiation, and device manufacturing method  
A multi-layer mirror includes on top of the multi-layer mirror a spectral purity enhancement layer, for example for application in an EUV lithographic apparatus. This spectral purity enhancement...
7463329 Materials for freezing light  
Recent theoretical investigations have predicted the existence of axially frozen modes that arise when light is incident upon an anisotropic two-dimensional photonic crystal. Such electromagnetic...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
7342716 Multiple cavity low-emissivity coatings  
Multiple cavity low-emissivity coatings. The coating includes three infrared-reflection film regions, which may each include silver.
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...
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.
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...