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Matches 351 - 400 out of 2,112

Document Document Title
WO/2004/070341A1
Apparatus for measuring polarization mode dispersion (PMD) of adevice, e. g. a waveguide, comprises a broadband light source (10,12) for passing polarized broadband light through the device (14), an interferometer (20) for dividing and r...  
WO2004042967A3
An Optical communications apparatus, comprising: (a) an optical integrated device comprising an input, one or more integrated optical component(s) and an output, arranged such that light received by the input is propagated by the optical...  
WO2004045113A3
A method for screening fiber polarization mode dispersion using a polarization optical time domain reflectometer. A pulse radiation is emitted into the fiber under test, and the backscattered radiation is measured by the POTDR and used t...  
WO/2004/053442A1
There is provided an optical power switching device, including at least one plate made of transparent dielectric material, a thin, electrically conductive, metallic material coated on one side of the plate, wherein, upon being exposed to...  
WO/2004/045113A2
A method for screening fiber polarization mode dispersion using a polarization optical time domain reflectometer. A pulse radiation is emitted into the fiber under test, and the backscattered radiation is measured by the POTDR and used t...  
WO2004007017A3
A method of noise reduction in a system where polarization mode fluctuations contribute to the noise in a signal is provided. Specifically, a corrected signal is formed by adjusting the relative and overall intensity of the orthogonal po...  
WO/2004/042967A2
An Optical communications apparatus, comprising: (a) an optical integrated device comprising an input, one or more integrated optical component(s) and an output, arranged such that light received by the input is propagated by the optical...  
WO/2004/038351A1
A first optical signal with a first polarization state is received by a polarization conversion unit. From this first optical signal, a set of n derived optical signals with n different well-defined polarization states i, i = 1, ..., n, ...  
WO/2004/036163A1
A vector representation of polarization dependent loss (PDL) is introduced so that the true PDL of a composite optical system having more than one optical component in combination may be measured using a Mueller Matrix method. An optical...  
WO/2004/025878A1
The present invention relates to an apparatus and to a method of polarization dependent analyzing an optical signal (6) transmitted through a DUT (10), comprising the steps of: splitting the optical signal (6) into a first signal part (1...  
WO/2004/025242A1
A method of determining polarization dependent characteristic of an optical device under test (10) having at least one input and at least one output, comprises the steps of generating and inputting a stimulus signal (4) to each of a plur...  
WO/2004/017090A1
A method for calibrating parameters of sensor elements in a sensor array. The method comprises receiving an output signal of at least two sensor elements signal in reaction to an input signal from a signal source; estimating a cross-corr...  
WO2002066940A9
A system for measuring the state of polarization (SOP) of an optical signal. The system includes a tunable local oscillator providing a local optical signal. A polarization transformer is operatively connected to the local oscillator and...  
WO/2004/007017A2
A method of noise reduction in a system where polarization mode fluctuations contribute to the noise in a signal is provided. Specifically, a corrected signal is formed by adjusting the relative and overall intensity of the orthogonal po...  
WO/2004/001399A1
The invention concerns a support designed for observing between intersecting polarizers an object located in its vicinity in a medium (3) of index n0 with incident convergent incoherent illumination under an angle Ѳ0 at a wavelength &lg...  
WO/2003/106979A1
The invention concerns an achromatic spectroscopic ellipsometer for analysing small regions of a sample (1) over a wide range of wavelengths from ultraviolet (UV) to infrared (IR). The spectroscopic ellipsometer contains a light source (...  
WO2003048723A3
Disclosed is a method to detect unlabeled nucleic acids (DNA and/or RNA) in a taxa, species, and organelle-specific fashion using surface plasmon resonance (SPR) imaging. Taxa-specific, species-specific, or organelle-specific nucleic aci...  
WO2003076910A8
The invention concerns a polarimetric system and a method of polarimetric measurement of the Mueller matrix coefficients of a sample (7). The polarimetric system contains an excitation section (1) emitting a light beam (2). Said light be...  
WO2002066940A3
A system for measuring the state of polarization (SOP) of an optical signal. The system includes a tunable local oscillator providing a local optical signal. A polarization transformer is operatively connected to the local oscillator and...  
WO/2003/089890A1
An imaging spectrometer (2) is disclosed that comprises imaging means for dividing a received image into two or more spatially separated spectral images and means for detecting each spectral image (4), and is characterised in that the im...  
WO2003014866A3
The present invention relates to a method and system for efficiently determining grating profiles using dynamic learning in a library generation process (Dynamic Library Generator 94). The present invention also relates to a method and s...  
WO/2003/076910A1
The invention concerns a polarimetric system and a method of polarimetric measurement of the Mueller matrix coefficients of a sample (7). The polarimetric system contains an excitation section (1) emitting a light beam (2). Said light be...  
WO/2003/074967A1
A polarization bearing detection type two-dimensional light reception timing detecting device for implementing a fast surface shape measurement that can accommodate an animal body measurement, and a surface shape measuring device using i...  
WO/2003/069291A1
In a device for measuring the complete polarization state of light over a spectral bandwidth, an optical input signal (41) with wavelengths of light within a spectral band is incident on two or more diffraction gratings (42, 44, 46, 48),...  
WO/2003/060445A1
We have invented a set of calculation and display methods for polarized light using a representation that we call the Hybrid Polarization Sphere (HPS). The HPS incorporates the Poincaré Sphere and its dual, the Observable Polarization S...  
WO/2003/048723A2
Disclosed is a method to detect unlabeled nucleic acids (DNA and&sol or RNA) in a taxa, species, and organelle−specific fashion using surface plasmon resonance (SPR) imaging. Taxa−specific, species−specific, or organelle−specific...  
WO/2003/040671A1
Provided are systems and methods using a Soleil-Babinet compensator (101) as a standard for calibrating birefringence measurement systems. Highly precise and repeatable calibration is accomplished by the method described here because, am...  
WO/2003/029770A1
The invention relates to a measuring array having an optical device into which a radiation beam (10) departing and diverging from a sample is injected for measurement and a detector (13) arranged downstream of said optical device, said d...  
WO/2003/023373A1
A single−layer ultrathin film and thin film are measured by setting a combination model of the film thickness, the optical constant using a dispersion formula, and the angle of incidence and by repeating fitting with the measured spect...  
WO/2003/021822A1
The degree of polarization of an optical signal is measured by a polarimeter and used for providing a feedback signal to adjust adaptive optics of a polarization mode dispersion compensator. The polarization properties of the polarimeter...  
WO/2003/016844A1
Apparatus and methods for polarimetric measurements across a spectral range, such as determining the polarimetric state acrosS a wavelength band in a wavelength-division multiplexed fiber optic channel. A variable phase delay is introduc...  
WO2001065236A9
A method for determining the composition of a target includes the steps of sensing radiation in the short wave infrared range scattered by the target area (50), measuring the polarization of the sensed radiation (52), and determining, fr...  
WO/2003/014866A2
The present invention relates to a method and system for efficiently determining grating profiles using dynamic learning in a library generation process (Dynamic Library Generator 94). The present invention also relates to a method and s...  
WO/2003/014710A1
An ellipsometric apparatus provides two impinging focused probe beams directed to reflect off the sample along two mutually distinct and preferably substantially perpendicular directions. A rotating stage rotates sections of the wafer in...  
WO/2003/006938A1
The invention describes a method to eliminate instrumental offset in measurement of optically active scattering and circular dichroism. The method uses the time-average measurement of the light that is systematically transformed by serie...  
WO/2002/103310A1
Provided are systems and methods for precisely measuring birefringence properties of optical elements, especially those elements that are used in deep ultraviolet (DUV) wavelengths. The system includes two photoelastic modulators (PEM) (...  
WO2002054028A3
Apparatus (1200, 1300) and accompanying methods to visualize and calculate, by direct visual measurement and interpolation, polarized light, in the form of sphere (observable polarization sphere - OPS) along with its associated spherical...  
WO/2002/093237A1
Measurements at multiple distinct polarization measurement states are taken to define the polarization state of an input, for example to calculate a Stokes vector (14). High accuracy and/or capability of frequent recalibration are needed...  
WO/2002/091534A1
An optical signal emitted from a semiconductor laser (1) is focused by a lens (2) and is then received by a single uniaxial double refraction crystal (3). This uniaxial double refraction crystal (3) has a C-axis inclined by 90 degrees wi...  
WO/2002/077680A1
Disclosed is an apparatus and method for measuring a changing amount of insertion loss of an optical device depending on a polarization state of an incident light, i.e., a polarization-dependent loss. An incident light that is periodical...  
WO2001081949A3
Plural electronic or optical images are provided in a streak optical system, as for instance by use of plural slits instead of the conventional single slit, to obtain a third, fourth, etc. dimension - rather than only the conventional tw...  
WO/2002/066940A2
A system for measuring the state of polarization (SOP) of an optical signal. The system includes a tunable local oscillator providing a local optical signal. A polarization transformer is operatively connected to the local oscillator and...  
WO2001007881A9
The parallel detecting spectroscopic ellipsometer/polarimeter sensor (10) has no moving parts and operates in real-time for in-situ monitoring of the thin film surface properties of a sample (22) within a processing chamber. It includes ...  
WO/2002/056083A1
The invention relates to optical engineering, in particular to methods for measuring a microrelief, the distribution of optical material constants of a near-surface layer and can be used for microelectronic engineering, nanotechnology, m...  
WO/2002/054028A2
Apparatus (1200, 1300) and accompanying methods to visualize and calculate, by direct visual measurement and interpolation, polarized light, in the form of sphere (observable polarization sphere - OPS) along with its associated spherical...  
WO/2002/050501A1
The invention relates in general to systems dor finding profiles of topographical features of small dimensions, such as those of a silicon substrate (12), and in particular to such systems using optical spectrometer (60).  
WO/2002/046723A1
The present invention relates to an apparatus and a method for detecting an amount of depolarization of a linearly polarized beam transmitted by a birefringent medium in the direction of the optical axis thereof. The apparatus comprises ...  
WO2000065331A9
Two phase modulators or polarizing elements are employed to modulate the polarization of an interrogating radiation beam before and after the beam has been modified by a sample to be measured. The detected signal may be used to derive el...  
WO/2002/040953A1
The invention relates to a method and apparatus for determining the polarization properties of light emitted, reflected or transmitted by a material (5) using a laser scanning microscope with the tested material (5) being illuminated poi...  
WO/2002/038048A1
A concentration measuring instrument for measuring the concentration of an optically active substance in a solution without contacting with the solution comprises a light source for outputting linearly polarized light, a light intensity ...  

Matches 351 - 400 out of 2,112