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Patent Searching and Data


Matches 1 - 50 out of 3,161

Document Document Title
WO/2018/070442A1
Provided are an apparatus and a method which enable, in light angle modulation measurement of laser light to be measured by a delayed self-heterodyne method, accurate measurement of a time waveform of light angle modulation without any i...  
WO/2018/061321A1
In a conventional moire method, achieving both measurement accuracy and dynamic measurement and balancing field of view and measurement accuracy have been difficult. The present invention makes it possible to handle conventional moire fr...  
WO/2018/060359A1
The present invention relates to a method comprising reception of an incident electromagnetic wave (9) by a diffractive element (2) and conversion of this incident electromagnetic wave (9) into a diffracted electromagnetic wave (10) by t...  
WO/2018/056208A1
This light wavelength measurement device is provided with a high-frequency voltage generating circuit (50) for causing an acousto-optic tunable filter (12) to vibrate by applying a high-frequency signal to the same, a standard wavelength...  
WO/2018/053198A1
A metamaterial coupled antenna includes a metamaterial and a rectenna that has an antenna element and a diode coupled by a transmission line. The metamaterial generates a spoof surface plasmon in the presence of heat. The antenna element...  
WO/2018/044030A1
The present application relates to an optical characteristic inspector and an optical characteristic inspecting method. The present application provides an optical characteristic inspector requiring low device manufacturing cost and low ...  
WO/2018/037448A1
A wavefront measurement device is provided with a light source system (26) for illuminating an optical system (3) under inspection and causing beams of light having a plurality of wavefront measurement fields of view to be emitted from t...  
WO/2018/034241A1
This electromagnetic wave phase/amplitude generation device is provided with: a radiation unit for irradiating an imaging subject with electromagnetic waves of a random irradiation pattern over a spatial frequency of a determined state o...  
WO/2018/014118A1
A characterization and detection method and system, the system comprising a terahertz beam source, a probe beam source, a detection crystal receiving a probe beam from the probe beam source and a terahertz beam from the terahertz beam so...  
WO/2018/016759A1
The present invention relates to a device for measuring an optical wavelength and, more particularly, to a device for measuring an optical wavelength transmitted through an optical line of an optical communication network in which a plur...  
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...  

Matches 1 - 50 out of 3,161