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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...
7420738 Dual membrane single cavity Fabry-Perot MEMS filter  
A dual membrane, single cavity MEMS Fabry-Perot filter has a cavity that is defined between two mirror structures that are located on separate MEMS membranes. This configuration can yield a number...
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...
7388181 Apparatus for adjusting applied voltage in display system using diffractive optical modulator  
Disclosed herein is an apparatus for adjusting applied voltage in a display system using a diffractive optical modulator. The apparatus for adjusting applied voltage can measure the intensity of...
7372608 Light control device and light control system using the same  
A light control device includes a substrate, a first reflective layer, a light modulating film in which the refractive index varies according to an applied electric field, a transparent electrode,...
7370185 Self-packaged optical interference display device having anti-stiction bumps, integral micro-lens, and reflection-absorbing layers  
An electronic device of an embodiment of the invention is disclosed that at least partially displays a pixel of a display image. The device includes a first reflector and a second reflector...
7369294 Ornamental display device  
An ornamental display device having an interferometric modulator for displaying an ornamental image. The ornamental device may have a patterned diffuser formed on a transparent substrate to provide...
7365895 Display device  
A display device comprising the following arranged from light input side in the order listed below: a first reflector having a semi-transmissive and semi-reflective property; a translucent porous...
7355776 Acoustic damping material for electro-optic materials  
An acoustic damping material for electro-optic material has an adhesive material combined with a ceramic crystalline material such that the acoustic impedance of the combined adhesive material and...
7349141 Method and post structures for interferometric modulation  
An interferometric modulator includes a post structure comprising an optical element. In a preferred embodiment, the optical element in the post structure is a reflective element, e.g., a mirror....
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...
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...
7304781 Ultra broadband mirror using subwavelength grating  
A sub-wavelength grating structure that has a very broad reflection spectrum and very high reflectivity comprising segments made of high refractive index material disposed on a layer of low...
7272270 Optical modulator and method of manufacturing same  
Laser light emitted from a vertically confined surface emitting laser (VCSEL) is incident on a side surface near an end region of an optical waveguide. The end region of the optical waveguide is...
7242509 MEMS Fabry Perot filter for integrated spectroscopy system  
Integrated spectroscopy systems are disclosed. In some examples, integrated tunable detectors, using one or multiple Fabry-Perot tunable filters, are provided. Other examples use integrated tunable...
7227678 Air gaps for optical applications  
An optical structure includes a substrate having two side surfaces. A first layer of high refractive index material is formed on the substrate. A sacrificial layer is formed on the first layer. A...
7221497 Optical interference pixel display  
An electronic device of an embodiment of the invention is for at least partially displaying a pixel of a displayable image. The electronic device includes a first reflector and a second reflector...
7220955 Three-dimensional imaging resonator and method therefor  
A three-dimensional imaging resonator and method therefor provides improved surface height measurement capability in optical measuring systems. A resonator including a surface of interest in a...
7215457 Apparatus and methods for modulating refractive index  
An iono-refractive structure that includes one or more ion insertion layers having a real portion and an imaginary portion of the dielectric constant is provided. While both the real portion and...
7199927 Optical element and optical add-drop module  
In an optical element, a first mirror stack layer is formed on a substrate, and a spacer layer made of a paraelectric material having a secondary electrooptic effect is formed thereon through a...
7162109 Optical modulator and method of manufacturing same  
Laser light emitted from a vertically confined surface emitting laser (VCSEL) is incident on a side surface near an end region of an optical waveguide. The end region of the optical waveguide is...
7145709 Apparatus and methods for modulating refractive index  
An iono-refractive structure that includes one or more ion insertion layers having a real portion and an imaginary portion of the dielectric constant is provided. While both the real portion and...
7106487 Thermal tuning of a laser using doped silicon etalon  
In embodiments of the invention, a wavelength-selective device is doped with n-type or p-type material to make the single-crystal silicon in the active region of the device electrically conductive....
7061681 Fabry-Perot interferometer  
A method of tuning a resonant cavity of an FP (Fabry-Perot) interferometer in a DLD (diffractive light device) MEMS (microelectromechanical system) device, wherein the FP interferometer has a top...
7057788 Spatial light modulator and light pulse waveform controller  
A chirp compensation dielectric multilayer film mirror ( 10 ) reflects an incident light in a predetermined wavelength range and has group delay characteristics that prevent at least one of the...
7050215 Method and apparatus for providing a gas correlation filter for remote sensing of atmospheric trace gases  
A correlation filter is provided having passbands at wavelengths corresponding to the absorption spectrum of an atmospheric gas of interest. In particular, the correlation filter features narrow,...
7039261 Etalon based compact dispersion module  
Systems and methods for providing compact dispersion compensation modules. In one implementation, a dispersion compensation module includes a polarizer having a first port, a second port, and a...
7027678 Method for controlling the frequency dependence of insertion loss in an optical assembly  
A method for controlling the frequency dependence of insertion loss in an etalon-lens-fiber (ELF) optical assembly comprises defining target frequencies and insertion loss objectives therefor and...
7016097 Optical device with a temperature insensitive optical pathlength  
The thermo-optic behavior of an optical path over a range of temperatures is controlled by determining a figure of merit (FoM) for the optical path and including in the path a body of NaBi(Mo 1-x W...
7009750 Apparatus and methods for modulating refractive index  
An iono-refractive structure that includes one or more ion insertion layers having a real portion and an imaginary portion of the dielectric constant is provided. While both the real portion and...
6947229 Etalon positioning using solder balls  
Two etalons in series may be angled to reduce parasitic reflections in the space between the two. The etalons may be soldered on either side of a post having an aperture there through to allow...
6947218 Fabry-perot etalon with independently selectable resonance frequency and free spectral range  
The invention relates generally to optical interference filters and interferometers. Methods, devices and device components for optical signal generation and processing using optical interference...
6930816 Spatial light modulator, spatial light modulator array, image forming device and flat panel display  
A spatial light modulator has: a support substrate that has an electrode layer; and a movable thin film that has at least an electrode layer, and that is opposingly placed above the support...
6924923 Nonmechanical wavelength-independent beam steerer  
Methods and devices are provided for steering an electromagnetic beam. The device includes a reflective element, a polarizer, a relay focusing element, and a modulation element. The polarizer is...
6919982 Optical path deflecting element, optical path deflecting apparatus, image displaying apparatus, optical element and manufacturing method thereof  
An optical path deflecting element, an optical path deflecting apparatus, an image displaying apparatus, an optical writing apparatus, an optical interconnection apparatus, an optical element, and...
6896949 Wafer scale production of optical elements  
Improved optical element wafers comprising stacked, optically coupled etalon wafers are disclosed. Each etalon wafer comprises a bulk optic wafer defining the optic cavity between selectively...
6888661 Square filter function tunable optical devices  
A tunable optical device includes a thin film device. The thin film device includes a plurality of cavities each including an electro-optic material. The electro-optic material includes an optical...
6885116 Moving coil linear motor positioning stage with a concentric aperture  
A moving coil linear motor positioning stage with a concentric aperture is disclosed. The present invention relates to positioning an element or device such as an optic or lens. The apparatus is...
6879421 Method and system for performing swept-wavelength measurements within an optical system incorporating a reference resonator  
A method and system for performing swept-wavelength measurements within an optical system incorporating a reference resonator provides improved operation in resonator-enhanced optical measurement...
6867900 Support for chromophoric elements  
A device for supporting chromophoric elements comprises support means ( 1 ) for receiving, on an upper face ( 24 ), chromophoric elements ( 5 ) that can emit light under selected conditions, and...
6865007 Complex frequency response filter and method for manufacturing the same  
There is provided a complex frequency response filter providing a frequency response having a desired shape. A first complex frequency response filter includes a first and a second reflecting...
6862126 TRANSMISSION WAVELENGTH CHARACTERISTICS VARIABLE OPTICAL ELEMENT, AND WAVELENGTH CHARACTERISTICS VARIABLE APPARATUS, OPTICAL AMPLIFIER, OPTICAL TRANSMISSION SYSTEM, AND CONTROL METHOD OF TRANSMISSION WAVELENGTH CHARACTERISTICS, USING SAME  
The present invention aims at providing a transmission wavelength characteristics variable optical element which can actively equalize changes of the wavelength characteristics due to temperature...
6859321 Low voltage tunable photonic crystal with large defects as wavelength routing  
A photonic bandgap device includes a first mirror region including alternating layers of different materials. A second mirror region includes alternating layers of different materials. An air gap...
6856443 Method for using length dispersion in an etalon to approximate target resonant frequencies  
Methods for using a length dispersion of an etalon to approximate target resonant frequencies. Length dispersion usage in the present invention includes, for example, determining the impact of a...
6844975 Etalon devices employing multiple materials  
The invention provides a substantially athermal etalon. In one embodiment, the multi-cavity etalon includes at least one free-standing multi-layer thin film and is rendered thermally stable through...
6833958 Optical cavities for optical devices  
The present disclosure relates to an optical cavity, comprising a first non-concave reflector positioned at a first end of the optical cavity and a second non-concave reflector positioned at a...
6831784 Multilayered optical thin-film filter, method of designing the same and filter module utilizing the same  
In a multilayered optical thin-film filter having multiple quarter wavelength thick optical thin films with different refractive indices, the filter includes a plurality of unit cavities that are...
6822798 Tunable optical filter  
A tunable optical filter including at least one deformable membrane actuator. The actuator may include an array of a thousand or millions of individual actuator cells for strength and mechanical...
6822779 Method of finding drive values for an actuation mechanism  
A method of finding drive values for an actuation mechanism having three degrees of freedom is provided, that will optimize a predetermined parameter of a system that utilizes the actuation...
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