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7593609 |
Method for modulating refractive indices of optical fiber gratings
The present invention proposes a method for modulating refractive indices of optical fiber gratings, wherein the UV exposure on a least one assigned location of an optical fiber grating is divided...
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7592121 |
Antireflection film, polarizing plate and display device
An antireflection film that has sufficient antireflection capability and antifouling property and is improved in scratch resistance, and a process for producing an antireflection film with...
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7582391 |
Two-photon absorption decolorizable material, two-photon absorption refractive index modulation material, two-photon absorption polymerization material, two-photon absorption polymerization method and three-dimensional optical recording material
A two-photon absorption decolorizable material comprising: a two-photon absorption dye executing a two-photon absorption; and a decolorizable dye having a molar absorption coefficient equal to or...
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7572571 |
Image sensor and method for manufacturing the same
In a solid state imaging device, and a method of manufacture thereof, the efficiency of the transfer of available photons to the photo-receiving elements is increased beyond that which is currently...
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7568365 |
Method and apparatus for micromachining bulk transparent materials using localized heating by nonlinearly absorbed laser radiation, and devices fabricated thereby
Thermal 3-D microstructuring of photonic structures is provided by depositing laser energy by non-linear absorption into a focal volume about each point of a substrate to be micromachined at a rate...
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7541135 |
Power contact having conductive plates with curved portions contact beams and board tails
A power contact as disclosed herein may include first and second conductive plates positioned parallel to each other. Each of the conductive plates may include respective first and second curved...
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7527919 |
Production device and production method for an optical device component having a grating structure
A production device and a production method for a grating-type optical component enabling formation of a variety types of FBGs using a single phase mask and an optical component made by the...
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7498125 |
Non-transparent microvoided biaxially stretched film, production process therefor and process for obtaining a transparent pattern therewith
A non-transparent microvoided biaxially stretched self-supporting non-laminated polymeric film, the film comprising linear polyester as a continuous phase and dispersed uniformly therein an...
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7438824 |
Fabrication of long range periodic nanostructures in transparent or semitransparent dielectrics
To make high quality long-range periodic nanostructures in a transparent or semi-transparent substrate, the transparent or semi-transparent substrate is scanned with a linearly polarized laser beam...
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7399498 |
Material composition for producing optical waveguide and method for producing optical waveguide
A transparent vessel is filled with a mixture solution containing a first photo-curable resin of a low refractive index and a second photo-curable resin of a high refractive index different in...
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7382959 |
Optically oriented three-dimensional polymer microstructures
A method and system of creating one or more waveguides and/or patterning these waveguides to form a 3D microstructure that uses mask and collimated light. In one embodiment, the system includes at...
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7378224 |
Method for forming pattern, and optical element
There is provided a method for forming a pattern comprising two regions of different refractive indices easily, that is, a method comprising the steps of forming a pattern having a water-shedding...
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7270929 |
Media for laser imaging
A method and a medium for laser imaging is herein disclosed. The medium incorporates one or more types of microstructures having a predetermined heat or radiation modifiable optical characteristic...
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7270916 |
Recording medium
Disclosed is a recording medium comprising a recording layer including a photo-acid generating agent that generates an acid upon irradiation with an actinic radiation and a polymer having a...
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7257294 |
Method for processing transparent material, apparatus for processing the same and optical function device
The invention provides a method for processing a transparent material, which is applicable to universal materials and by which the propagation loss of an optical function device produced by...
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7241537 |
Method for producing an exposed substrate
Method for producing an exposed substrate, which has at least two different image areas. The substrate is provided with at least two photoresist layers, which are adjusted to the type of image...
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7214475 |
Compound for optical materials and methods of fabrication
A polycyclic or monocyclic perfluorovinyl compound comprising at least one structural unit selected from the group consisting of formula I and formula II
wherein M is independently at each...
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7202148 |
Method utilizing compensation features in semiconductor processing
A photolithography and etch process sequence includes a photomask having a pattern with compensation features that alleviate patterning variations due to the proximity effect and depth of focus...
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7189497 |
Method for writing a planar waveguide having gratings of different center wavelengths
Multiple Bragg gratings are fabricated in a single planar lightwave circuit platform. The gratings have nominally identical grating spacing but different center wavelengths, which are produced...
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7157212 |
Optical component formation method
Provided are methods of forming optical components. The methods involves (a) forming over a substrate a layer of a photoimageable composition that includes a hybrid organic-inorganic polymer and a...
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7135259 |
Scatterometric method of monitoring hot plate temperature and facilitating critical dimension control
A method of determining temperatures at localized regions of a substrate during processing of the substrate in a photolithography process includes the following steps: independently illuminating a...
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7132223 |
Laser-written cladding for waveguide formations in glass
High-energy pulses of femtosecond lasers form cladding portions of waveguides in bulk glass by producing localized reductions in refractive index. The cladding portions written by the high-energy...
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7125647 |
Radiation-sensitive composition changing in refractive index and utilization thereof
To provide a refractive index pattern and an optical material whose refractive indices are changed by a simple method, which have a sufficiently large refractive index difference and which are...
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7125632 |
Fiber optic devices having volume Bragg grating elements
Fiber optic devices including volume Bragg grating (VBG) elements are disclosed. A fiber optic device may include one or more optical inputs, one or more VBG elements, and one or more optical...
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7106940 |
Fluorine-containing material for optical waveguide
There is provided a material which can give a high elasticity and heat resistance to an optical waveguide member by photo-curing while maintaining transparency in a near infrared region and further...
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7070914 |
Process for producing an image using a first minimum bottom antireflective coating composition
Disclosed is a process for forming an image on a substrate, comprising the steps of: (a) coating on the substrate a first layer of a radiation sensitive, antireflective composition; (b) coating a...
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7018745 |
Controlled phase delay between beams for writing bragg gratings
A method of writing an extended grating structure in a photosensitive waveguide comprising the steps of utilizing at least two overlapping beams of light to form an interference pattern, moving the...
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7014988 |
Multiphoton curing to provide encapsulated optical elements
Methods of fabricating optical elements that are encapsulated in monolithic matrices. The present invention is based, at least in one aspect, upon the concept of using multiphoton, multi-step...
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6946534 |
Fluorinated polyethers having perfluorinated aliphatic group and optical waveguide using the same
The present invention relates to fluorinated polyethers having a fluorinated aliphatic group at a main chain as represented by the formula (1), as well as a waveguide fabricated using the same:
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6939648 |
Optical article and process for forming article
The optical article of the invention, e.g., holographic recording medium or polymeric waveguide, is formed by mixing a matrix precursor and a photoactive monomer, and curing the mixture to form the...
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6936831 |
Divided reticles for charged-particle-beam microlithography apparatus, and methods for using same
Reticles and apparatus for performing charged-particle-beam microlithography, and associated methods, are disclosed, in which the pattern to be transferred to a sensitive substrate is divided...
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6924082 |
Double-bond shifts of substituted (4n)-annulenes for information storage and data processing
The present application describes a method for information storage and data processing comprising the steps of thermo inducing or photo inducing double-bond shifts (DBS) in substituted (4 n...
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6924070 |
Composite patterning integration
Method and structure for masking are disclosed. In one embodiment, a thin layer of radiation sensitive material is combined with another layer of radiation opaque material with different etch...
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6909528 |
Phase volume hologram and method for producing the phase volume hologram
A phase volume hologram and a method for producing the phase volume hologram are described herein. The phase volume hologram is made by filling the microcavities of a porous transparent siliceous...
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6855466 |
Planarizing antireflective coating compositions
The present invention provides new light absorbing compositions suitable for use as antireflective coating compositions (“ARCs”), including for deep UV applications. The antireflective...
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6842568 |
Method of making diffraction grating device, diffraction grating device, and apparatus for making diffraction grating device
In a method of making a diffraction grating device, an optical waveguide is irradiated, by way of a phase grating mask, with refractive index modulation inducing light so as to form a diffraction...
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6842544 |
Method for apodizing a planar waveguide grating
A method for making an apodized Bragg grating in a photosensitive, planar, linear waveguide. A photosensitive, planar, linear waveguide is provided on a surface of a substrate. A patterned phase...
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6836418 |
Slant short-period grating
There is provided a slant short-period grating which is obtainable by irradiating light onto an optical fiber whose core is formed from quartz glass to which has been doped a photosensitive dopant...
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6833954 |
Lithographic method for manufacturing a mask used in the fabrication of a fiber Bragg grating
The invention reduces the effects of stitching errors from re-scaling or re-positioning in the fabrication of fiber Bragg gratings or the mask used in such fabrication. A first embodiment of the...
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6828078 |
Composition having refractive index sensitively changeable by radiation and method for forming refractive index pattern
A radiation sensitive refractive index changing composition comprising (A) a decomposable compound, (B) a non-decomposable compound having a lower refractive index than the decomposable compound...
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6823110 |
Method to stabilize and adjust the optical path length of waveguide devices
A method for adjusting a photosensitive optical waveguide having an optical path length to a stabilized desired optical path length. The method includes the step of changing the optical path length...
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6821712 |
Methods of forming resist pattern, forming electrode pattern, and manufacturing surface acoustic wave device
Methods of forming a resist pattern, of forming an electrode pattern, and of manufacturing a surface acoustic wave device are provided. The resist-pattern- and the electrode-pattern-forming methods...
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6811930 |
Post-exposure treatment method of silver halide emulsion layer, hologram manufactured using the method, and holographic optical element including the hologram
A post-exposure treatment method of a silver halide emulsion layer in the manufacture of a hologram, a hologram manufacturing using the post-exposure treatment method, and a holographic optical...
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6800424 |
Optical devices made from radiation curable fluorinated compositions
The invention provides organic optical waveguide devices which employ perfluoropolymeric materials having low optical loss and low birefringence. An optical element has a substrate; a patterned,...
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6796148 |
Deep UV laser internally induced densification in silica glasses
A method of writing a light guiding structure in a bulk glass substrate including selecting a bulk glass substrate made from a soft silica-based material; and focusing an excimer laser beam at a...
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6795614 |
Method of making phase mask for machining optical fiber and optical fiber having bragg diffraction grating produced using the phase mask for machining optical fiber
The present invention relates to a method of producing an optical fiber-processing phase mask having minimized connection errors that may degrade the spectral line shape and group delay...
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6780546 |
Blue-sensitized holographic media
Blue-sensitized holographic media suitable for recording with a blue laser is disclosed. The blue-sensitized holographic media provides greater dynamic range and a higher sensitivity than a...
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6767676 |
Optical functional element and method of producing the same
The optical functional element contains aggregates of developed silver grains obtained by developing silver halide grains arranged so as to constitute a periodical structure. The element includes a...
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6751381 |
Embodying amplitude information into phase masks
A phase mask, for writing fiber Bragg gratings (FBG) in an optical fiber, adjusts the amplitude and the phase of the FBG, while maintaining a constant mean index of refraction of the fiber in a...
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6743552 |
Process and composition for rapid mass production of holographic recording article
A rapid mass production of the high performance holographic recording articles including the process and composition are described. To prepare a high performance holographic recording article based...
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