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8890073 Systems and methods for detecting and/or identifying materials based on electromagnetic radiation  
One embodiment of the invention includes a material detection and/or identification system. The system includes an electromagnetic (EM) sensor system configured to collect EM radiation from a...
8457915 System and method to measure the transit time position(s) of pulses in time domain data  
A system and method to measure, with increased precision, the transit time position(s) of pulses in a time domain data. An example data set would be the transit time of pulses in Time-Domain...
8380255 Power transmission network  
A network for power transmission to a receiver that converts the power into current includes a first node for transmitting power wirelessly in a first area. The first area has a minimum electric...
8304732 Method of measuring characteristics of specimen and flat-plate periodic structure  
A measuring method that includes holding a specimen to be measured on a flat-plate periodic structure, applying a linearly-polarized electromagnetic wave to the flat-plate periodic structure,...
8238026 Polarization-sensitive infrared image sensor including a plurality of optical fibers  
A polarization-sensitive infrared image sensor (also termed a snapshot polarimeter) utilizing a 2-D array of polarizers to filter infrared light from a scene according to polarization, and a 2-D...
8214023 Microcirculation imaging  
An image is created of blood circulation deep (e.g. a plurality of millimeters) below the surface of living tissue to aid in evaluating a patient. A first beam (26) of circularly polarized light...
7851761 Multi-band terahertz receiver and imaging device  
Multi-band polarized receiver-emitter THz domain visualization device that includes a group of elemental receiver units made from a resonant system sensitive to frequency and polarization, a...
7844306 Power transmission network  
A network for power transmission to a receiver that converts the power into current includes a first node for transmitting power wirelessly in a first area. The first area has a minimum electric...
7830511 Apparatus and method for measuring polarization direction of polarizing plate  
A polarization direction measuring apparatus includes: a first polarizing plate having an unknown polarization direction about a reference axis; a sample whose polarization direction is to be...
7829855 Methods and apparatus for determining fibre orientation  
Fiber distribution characteristics such as the bulk average orientation of fibers in composite fibrous materials can be evaluated based on the variation in the speed with which polarized...
7619736 Apparatus and method for obtaining sample information by detecting electromagnetic wave  
A sample information obtaining apparatus includes an electromagnetic wave generator; a sample holding unit which holds a sample to be tested and serves as a polarizer having a polarization axis...
7488940 Reflection type terahertz spectrometer and spectrometric method  
A reflection-type terahertz spectrometer includes an input optical path through which terahertz waves are propagated, an irradiating mechanism that irradiates a sample with terahertz waves...
7477395 Measuring device  
A measuring device for determining the concentrations of gases by radiation absorption. The device includes at least one radiation source for generating radiation, a measuring cell, which is...
7193214 Sensor having differential polarization and a network comprised of several such sensors  
Parametric processing capability is added to a typical sensor so that a target object can be more clearly distinguished from the background clutter in a given scenery. A polarizer with several...
7119339 Transmission mode terahertz computed tomography  
A method of obtaining a series of images of a three-dimensional object by transmitting pulsed terahertz (THz) radiation through the entire object from a plurality of angles, optically detecting...
7107087 Method and apparatus for measuring a concentration of a component in a subject  
A method of measuring a concentration of a component in a subject includes setting an intensity relationship equation between a positive-order beam and a negative-order beam with respect to a...
7095027 Multispectral multipolarization antenna-coupled infrared focal plane array  
Adjacent pixels of an infrared focal plane array (IR FPA) can be configured to have different spectral or polarization responses by adjustment of the lengths or orientations of the antenna arms...
6958480 Sample desorption/ionization from mesoporous silica  
Mesoporous silica is shown to be a sample holder for laser desorption/ionization of mass spectrometry. Supported mesoporous silica was prepared by coating an ethanolic silicate solution having a...
6583415 Method and system for dynamically polarizing electro-optic signals  
A sensor arrangement and system facilitate the measurement of polarized light intensities for use in object identification and classification. In an example embodiment, an imaging sensor for...
6563582 Achromatic retarder array for polarization imaging  
In addition to having color, light waves have the attribute of polarization. An apparatus and method to convert circular polarized light into linearly polarized light over a wide range of...
6465787 Covert surveillance system for tracking light sensitive tagged moving vehicles  
A surveillance system uses pulsed laser near infrared light to illuminate a retroreflecting tag attached to a target for providing a return image that pulsates and that can be monitored by a...
6455853 Determination of thickness and impurity profiles in thin membranes utilizing spectorscopic data obtained from ellipsometric investigation of both front and back surfaces  
Disclosed is spectroscopic ellipsometer system mediated methodology for quantifying thickness and impurity profile defining parameters in mathematical models of impurity profile containing thin...
6271522 Process for the quantitative analysis of gas volumes, specifically exhaust and waste gases from combustion systems or incineration plants, as well as systems for performing these processes  
For quantitative analysis of gas volumes, specifically combustion exhaust gases, by means of emission or absorption spectrometry in the ultraviolet, visible and infrared spectral range,...
6242739 Method and apparatus for non-destructive determination of film thickness and dopant concentration using fourier transform infrared spectrometry  
A method and apparatus for the determination of parameters of interests of a semiconductor sample is provided. For example, the thickness of an epitaxial or implanted layer, the thickness of a...
6150661 Gas spectroscopy  
An absorption spectroscopy device for determining the concentration of a gas (such as oxygen) in a sample cell includes a neutral density absorber or a quarter wave plate. Laser radiation from a...
6091983 Imaging of objects in turbid media based upon the preservation of polarized luminescence emitted from contrast agents  
A method and system for imaging an object in a turbid medium. According to one embodiment, the method involves (a) making the object luminescent by adding to the object a contrast agent of the...
6080950 Method for determining the maturity and quality of seeds and an apparatus for sorting seeds  
The invention is related to a method and an apparatus for sorting seeds for the assessment of the maturity and quality of seeds by measuring the amount of chlorophyll fluorescence. Fluorescence of...
6075235 High-resolution polarization-sensitive imaging sensors  
An apparatus and method to determine the surface orientation of objects in a field of view is provided by utilizing an array of polarizers and a means for microscanning an image of the objects...
6037590 Polarization-tunable antenna-coupled infrared detector  
An antenna-coupled infrared detector with polarization tuning over approximately 90 degrees by application of a bias voltage in the range of a few hundred millivolts. This mechanism of...
5929443 Imaging of objects based upon the polarization or depolarization of light  
A method and apparatus for imaging objects based upon the polarization or depolarization of light. According to one embodiment, there is provided a method for imaging the surface of a turbid...
5894127 Polarized specular reflectance infrared apparatus and method  
A novel fixed block polarized, specular reflective accessory apparatus and method are disclosed, including providing an infrared light generator, a polarizer to polarize infrared light generated...
5890095 System for receiving and enhancing electromagnetic radiation input signals  
A spatial phase sensor having a lens or opening, or the like, through which electromagnetic radiation signals are directed. Mechanism is provided for receiving the electromagnetic radiation...
5719399 Imaging and characterization of tissue based upon the preservation of polarized light transmitted therethrough  
A method and apparatus for imaging and/or characterizing a tissue based upon the extent to which initially polarized light maintains its polarization after propagating through the tissue. In a...
5534698 Solid state surface evaluation methods and devices  
Methods and devices for evaluating solid-state surface properties use infrared absorption of lattice vibration. These methods and devices are characterized by reflection spectrometry by injecting...
5532488 Apparatus and method for evaluating orientation film  
An orientation film evaluating apparatus and a rubbing processing apparatus by which the orientation capability for a liquid crystal orientation film can be measured quantitatively with high...
5416324 Optical imaging device with integrated polarizer  
A method and apparatus for determining the surface orientation of objects in a field of view is provided by utilizing optical polarizers and photodetector arrays. Using the disclosed imaging...
5317150 Polarimeter calibration method and apparatus  
A method of calibrating polarimeter to work at an unknown wavelength comprising calibrating the polarimeter at a standard wavelength, using the calibrated polarimeter to measure a sample,...
5287167 Method for measuring interstitial oxygen concentration  
The invention related to a method for determining a silicon wafer in which the interstitial oxygen concentration of a pulled silicon wafer is calculated on the basis of a light transmission...
5241179 Thermoluminescence sensor for the remote detection of chemical agents and their simulants  
A system for remotely detecting liquid contaminants on surfaces, including hemical agents and their simulants is presented. The system includes a Fourier Transform Infrared Spectroradiometer...
5157259 Measuring method and measuring arrangement for determining the orientation ratio of flexible magnetic recording media  
The orientation ratio (Rf) of a magnetic layer is defined as the ratio of the magnetizations in the playing direction and the crosswise direction. Assuming that the magnetic layer has anisotropy...
5075551 Infrared absorption enhanced spectroscopic apparatus  
An infrared absorption enhanced spectroscopic apparatus includes a reflecting face of a high refractive-index prism shaped to retain a metal layer, such as a solid plasma of aluminum, in such a...
5007741 Methods and apparatus for detecting impurities in semiconductors  
The purpose of the invention is to detect impurities in a semiconductor wafer (20). A laser (21) forms a light beam having a high proportion of its power at an optical frequency capable of being...
4970397 Method and apparatus for activating catalysts using electromagnetic radiation  
This invention relates to electromagnetically induced thermal activation method and apparatus for in-situ preparation of samples including zeolite catalyst. More particularly, the invention...
4945239 Early detection of breast cancer using transillumination  
Several methods have been developed for improving transillumination devices such that they may be effectively used for breast cancer examinations. Each of the methods involves a particluar...
4925310 Method and device to measure the optical transmission factor of a tinted glass panel by reflection  
In a method and a device for determining the optical transmission factor of a glass panel by identification transmits an incident electromagnetic radiation towards the glass panel and the...
4916374 Continuously adaptive moisture sensor system for wiper control  
An adaptive moisture sensor system includes a moisture sensor unit having a moisture sensor, which produces a moisture signal, a reference signal generating circuit and a comparator circuit for...
4829184 Reflective, transmissive high resolution imaging apparatus  
A source of high resolution non-ionizing radiation of narrow spectral bandwidth is used in conjunction with optical detectors positioned on one or more sides of a breast to obtain mammographic...
4654529 Method for measuring the fibre orientation anisotropy in a fibrous structure  
A method and a device for measuring the fibre orientation anisotropy in a fibrous structure such as a sheet of paper or a textile. According to this method, a linearly polarized, far infrared...
4631408 Method of simultaneously determining gauge and orientation of polymer films  
In the manufacture of a multilayer polymer film, the thickness and degree of orientation are simultaneously measured. A beam of infrared radiation having predetermined wavelengths is either...
4584476 Device for the non-destructive testing of the internal stress state of heat tempered plate glass  
The internal stress state of a plate of heat tempered plate glass is tested by means of a device which uses a source of polarized monochromatic infrared radiation. This radiation passes through...

Matches 1 - 50 out of 60 1 2 >