Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 3,149

Document Document Title
WO/2018/012351A1
A spectroscope (100, 200) which measures a spectrum of input light is provided with: a stripe former which forms first stripes having a first pitch by splitting the input light; a diffraction grating (103) which disperses the first strip...  
WO/2018/011063A1
The present invention relates to a process for characterising an optical source (1) comprising a fixed cavity (2) having a free spectral range, said process comprising: - generating a first radiation (3); receiving at least a portion of ...  
WO/2018/007211A1
A measuring method and a measuring system for interferometrically measuring the imaging quality of an optical imaging system are configured, by adapted design of measurement structures of associated structure carriers, to carry out a wav...  
WO/2018/007008A1
The invention relates to a measurement system (10) for determining a wavefront aberration of an optical imaging system (12), comprising an irradiation device (24) for passing measurement radiation (26) through the imaging system (12), an...  
WO/2017/220087A1
With regard to a particularly precise measurement of a wavefront using structurally simple means, a method for measuring a curved wavefront using a wavefront sensor is specified, wherein a plurality of measurements are carried out at dif...  
WO/2017/209797A1
A cw terahertz image beam is upconverted by a nonlinear optical process (e.g., sum- or difference-frequency generation with a near IR cw upconverting beam). The upconverted image is acquired by a near IR image detector. The bandwidths an...  
WO/2017/178538A1
The invention relates to a method for identifying optical aberrations, comprising the steps of providing at least one first optical beam (B1) and a second optical beam (B2), wherein the intensity of one of the optical beams (B1) is highe...  
WO/2017/176317A1
Systems and methods are disclosed for improving image quality by modifying received radiation wavefronts with one or more uncalibrated variable phase plates at the pupil plane of the optical system, to produce an atmospheric-like blurred...  
WO/2017/171153A1
A method for inspecting a polarizing plate according to the present invention comprises the steps of: (a) preparing a polarizing plate to be inspected having an anisotropic release film on a lower portion of a polarizer to be inspected; ...  
WO/2017/155622A1
An example sensor for phase detection autofocus includes a number of photodiodes to capture light in a number of wavelengths. The example sensor also further includes a color filter array including a grid of alternating color pass filter...  
WO/2017/144364A1
The invention relates to a three-dimensional interferometer (100) for measuring a light field produced by an object (110), having a first interferometer arm (150), a second interferometer arm (152), a beam splitter (101) which is arrange...  
WO/2017/140529A1
The invention relates to a device (100) for the spectral analysis of an electromagnetic measurement signal (20) using an opto-electronic mixer (60), wherein the opto-electronic mixer (60) is designed to generate the electrical superimpos...  
WO/2017/133960A1
The invention relates to an assembly and a method for wavefront analysis with a radiation source (8), which emits an electromagnetic wavefront of electromagnetic radiation (1) to be analysed, a spatially resolving detector unit (4, 4a, 4...  
WO/2017/125345A1
The invention relates to a phase control system (5) for controlling the relative phase (φ) of two laser beams (17A, 17B) of a laser system (1) to be coherently combined, in particular permitting the provision of a phase-controlled sum l...  
WO/2017/126215A1
The present invention is a device for measuring the phase shift amount of a phase shift mask 15, said device being provided with: a diffraction grating 7 for diffracting linearly polarized light and generating a plurality of diffracted l...  
WO/2017/093277A1
The invention relates to a method for measuring the delay between N pulses (1) having a duration of less than 100 picoseconds, which comprises the following steps: collimated emission of pulses (1k) having the same repetition frequency; ...  
WO/2017/086752A1
The present invention relates to a device and a method for measuring a waveform of a light wave. The device for measuring a light wave, according to one embodiment of the present invention, comprises: a pulse separation unit for separati...  
WO/2017/069389A1
Disclosed are a device and method for aligning a laser optical system constituting a laser processing apparatus. The disclosed optical system aligning device for a laser processing apparatus comprises: a laser optical system through whic...  
WO/2017/058326A3
The ability to upconvert two low energy photons into one high energy photon has potential applications in solar cells, photodetectors and data storage. In this disclosure, CdSe and PbSe semiconductor nanocrystals are combined with molecu...  
WO/2017/044604A1
According to one aspect, a multi-heterodyne system (10) is disclosed, which comprises a first laser source (12) for generating multi-mode radiation (LB1) having a frequency spectrum having a first plurality of phase coherent frequencies,...  
WO/2017/033037A1
The invention concerns a Terahertz wavefront measurement system comprising a spatial mask (4, 24) selected among a Terahertz lens array (24) or an array of apertures (4, 14). According to the invention, the Terahertz wavefront measuremen...  
WO/2016/205565A1
Systems and methods disclosed herein provide for gas imaging. A gas imaging system comprises a lenslet array configured to receive thermal radiation from a scene and transmit a plurality of substantially identical sub-images of the therm...  
WO/2016/183874A1
A digital phase shift point diffraction interferometer. The interferometer consists of a light source (1), a small-hole mask (2), a first spatial light modulator (3), a second spatial light modulator (6), a two-dimension photoelectric de...  
WO/2016/173079A1
A digital phase shift lateral shearing interferometer and an optical system wave aberration measurement method. The interferometer comprises a light source (1), a small-hole mask (2), a first spatial light modulator (4), a second spatial...  
WO/2016/150783A1
The invention concerns a method for measuring the frequency modulation f(t) of a laser source, that comprises the following steps: - modulating the laser source over a period T, by means of a modulation control, - during a same period T,...  
WO/2016/145393A1
An apparatus for viewing a biological sample that functions as both a microscope and an interferometer. A short-coherence light source directs light onto the sample. A Fourier transform lens and a pixel-array detector are positioned to c...  
WO/2016/138452A1
Provided are systems, methods, and other embodiments associated with depth-resolved spatial-domain low-coherence quantitative phase microscopy for high-throughput analysis of 3D nanoscale architectural alterations in unstained tissue and...  
WO/2016/104223A1
A wavefront distortion amount measurement device according to the present invention is provided with: a wavefront modulator (14, 30, 130, 230) disposed at the pupil plane of a lens (21, 29, 229) or in a position conjugate to the pupil pl...  
WO/2016/094940A1
Methods and apparatus are presented for multichannel optical coherence tomography. Light from a wavelength tuneable or steppable optical source is separated into one or more sample beams and one or more reference beams, and the one or mo...  
WO/2016/042161A1
A wavefront analyser is modified to simply determine the differences in amplitude and tilt which can exist between the different regions of an initial wavefront (S0). To achieve this, interference between two waves only is produced from ...  
WO/2016/039689A1
The present disclosure describes optical radiation sensors and detection techniques that facilitate assigning a specific wavelength to a measured photocurrent. The techniques can be used to determine the spectral emission characteristics...  
WO/2016/026909A1
The invention relates to an interferometer, comprising a first interferometer arm and a second interferometer arm, wherein the first interferometer arm and the second interferometer arm are arranged in such a way that a first central bea...  
WO/2016/017706A1
When light that has passed through a second reflective member 20 is incident on a first reflective member 10, part of said light is reflected by a first reflective surface 11, the part of said light that passed through the first reflecti...  
WO/2016/010528A1
In some example embodiments there is provided an apparatus. The apparatus may include a first delay line passing a first portion of an optical signal to produce a first input signal. The apparatus may further include a second delay line ...  
WO/2016/002490A1
By causing the wavefront of light produced by an analyte to impinge on a lens array in order to capture an image of collected light, a plurality of light collection positions are identified by the lens array. From among the light collect...  
WO/2015/193253A1
One aspect of the invention concerns a method for characterization of a light beam, comprising the following steps: - separation of the light beam by means of a separator optic into a first sub-beam and a second sub-beam; - propagation o...  
WO/2015/193282A1
The invention relates to a method for optical and electrical signal processing of a multi- heterodyne signal generated by a multi-mode semi-conductor laser, where the system comprises two laser sources and a sample interaction unit, wher...  
WO/2015/193254A1
One aspect of the invention concerns a method for characterization of a light beam, comprising the following steps: - separation of the light beam by means of a separator optic into a first sub-beam and a second sub-beam; - propagation o...  
WO/2015/181531A1
A beamsplitter is disclosed for splitting an input beam of radiation which is incident upon the beamsplitter into at least one first and second output beam of radiation which propagate from the beamsplitter. The beamsplitter comprises a ...  
WO/2015/118717A1
 In order to provide a high-sensitivity terahertz wave phase difference measurement system having a high S/N ratio, tetrahertz interference waves are observed using a half mirror and a movable reference mirror, and the phase difference...  
WO/2015/091036A1
Method for determining the phase distribution in a pre-image of an object under test (49), wherein an image stack comprising at least two images of the object under test (49) is taken, the transfer function of an optical system (1) betwe...  
WO/2015/085216A1
Systems, methods and other embodiments associated with spatial-domain Low-coherence Quantitative Phase Microscopy (SL-QPM) are described herein. SL-QPM can detect structural alterations within cell nuclei with nanoscale sensitivity (0.9 ...  
WO/2015/071116A1
The invention relates to a device (II) for three-dimensional focusing in a microscope (I) with a given resolution, comprising: - a detector (119) making it possible to determine, in a given measuring plane, a phase and intensity image of...  
WO/2015/063481A2
An optical system comprising a randomizer that has a plurality of randomly positioned scatterers for scattering and thereby randomizing light to generate a speckle pattern and a detector for detecting the speckle pattern to determine at ...  
WO/2015/063481A3
An optical system comprising a randomizer that has a plurality of randomly positioned scatterers for scattering and thereby randomizing light to generate a speckle pattern and a detector for detecting the speckle pattern to determine at ...  
WO/2015/063779A1
A method and system for use in reconstruction and retrieval of phase information associated with a two-dimensional diffractive response are presented. The method comprising: providing (75) input data indicative of one or more diffractive...  
WO/2015/052715A1
The present invention discloses an optical arrangement to be associated with an optical system and an external imaging system, a sample inspection imaging system and a method for generating a differential interference contrast (DIC) imag...  
WO/2015/046070A1
Provided is an optical measuring technique capable of performing stable measurement with high speed, high sensitivity, and high precision without being affected by intensity changes in output light of a light source and sensitivity chang...  
WO/2015/047117A1
Fibre coupler for creation of optical fibre-containing interferometers (sensors), with at least two parallel optical fibres placed in an enclosure characterized in that each of the optical fibres consists of at least three alternately pl...  
WO/2015/041609A1
A method and a system for determining an optical eye diagram of a modulated optical beam of an interferometer device, a method of evaluating system performance of electro-optic devices, and a data storage medium having stored thereon dat...  

Matches 1 - 50 out of 3,149