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Matches 1 - 50 out of 1,607

Document Document Title
WO/2012/012900
There is described a photodetector comprising a semiconductor material having at least a region substantially depleted of free moving carriers, the photodetector comprising: a substrate of one of n-type and p-type; at least one charge co...  
WO/2012/008031
Provided is a measuring method or measuring apparatus, wherein a time needed to measure the whole shape of a surface to be inspected can be shortened. A plurality of measuring ranges are respectively set such that, with a part of the sur...  
WO/2012/004213
The invention relates to optical wave front analyzers. Provided is a wave front analyzer that includes an array of adjustable convergent microlenses for subdividing an incident wave front into multiple beams and generating a respective f...  
WO/2011/134562
The invention relates to a system for producing a signal having a variably adjustable time position or phase position, comprising at least one light source for producing a first light component (2) having a first wavelength and a second ...  
WO/2011/136382
Disclosed is an observation device which can acquire a phase image of a moving object at high speed and high accuracy even when using a photodetector in which the readout speed per pixel is low. An observation device (1) is provided with...  
WO/2011/136381
Disclosed is an observation device which can acquire a phase image of a moving object at high speed and high accuracy even when using a photodetector in which the readout speed per pixel is low. An observation device (1) is provided with...  
WO/2011/126372
A scanning wavelength system measures properties of a device under test, during a scan wherein the wavelength of an optical probe signal are varied. During the scan the scanning wavelength system is characterized or calibrated by - suppl...  
WO/2011/122951
Turbulence compensated image data is produced by adapting the settings of a deformable mirror (4) or other adaptable optical element that is used to in the formation of images of an object. A series of images produced by the camera (3) i...  
WO/2011/110714
The invention relates to a method for measuring optical aberrations with variable range and sensitivity using two reconfigurable optical elements and to a device for performing same. The wavefront (A) to be analysed hits a sampling sub-s...  
WO/2011/054367
The invention relates to a method for examining a laser system (10), which has a focused laser beam (141) and a controllable deflecting arrangement (18) for transversely and/or longitudinally controlling the location of the beam focus, c...  
WO/2011/044218
Phase differences associated with a defocused wavefront can be determined from a single color image. The color image, which is a measurement of intensity as a function of wavelength, is used to calculate the change in intensity with resp...  
WO/2011/042674
The present invention relates to a system for structural analysis of an object (1), including a means (2) for generating an input light beam (3) arranged such as to make the generated input beam (3) interact with at least one portion of ...  
WO/2011/039118
The invention relates to a method for determining the inner structure of a sample, wherein sectional views in at least one first plane extending into the sample are generated by means of images capturing optical path lengths, wherein alo...  
WO/2011/020606
An optical system, comprising a microscope housing having a coupling opening for a detachable coupling of an objective lens of the optical system such that the objective lens is arranged in a microscope beam path of the optical system fo...  
WO/2011/011385
A Shack Hartmann ("SH") wavefront sensor comprising an optical device, such as a wave front dissector including a lenslet array, for transmitting, dissecting and focusing an incoming optical wave, an optical system, including, for exampl...  
WO/2011/011385
A Shack Hartmann ("SH") wavefront sensor comprising an optical device, such as a wave front dissector including a lenslet array, for transmitting, dissecting and focusing an incoming optical wave, an optical system, including, for exampl...  
WO/2011/006106
Microscopy techniques in which a rear pupil of an optical system is segmented and the segments are individually controlled with a wavefront modulating device to control the direction and phase of individual beamlets of an excitation or e...  
WO/2010/150092
The invention relates to a method for implementing a sampling function by means of a neuronal network and to a device by means of which this method can also be carried out, wherein measured values containing phase information associated ...  
WO/2010/141702
Embodiments of the present invention relate to a wavefront imaging sensor (WIS) comprising an aperture layer having an aperture, a light detector having a surface, and a transparent layer between the aperture layer and the light detector...  
WO/2010/141702
Embodiments of the present invention relate to a wavefront imaging sensor (WIS) comprising an aperture layer having an aperture, a light detector having a surface, and a transparent layer between the aperture layer and the light detector...  
WO/2010/125344
A system for obtaining a propagation factor for determining the performance of a light beam (32) includes a light sensor (10), a lens element (30) operable to focus a beam from a light source to be tested towards the sensor element (10);...  
WO/2010/122879
Provided is an inexpensive, high performance, compact, and energy saving light reflection mechanism comprising a first moving portion having a reflecting surface on the front surface, a supporting portion which supports the first moving ...  
WO/2010/116918
The relative phases of two signals to be measured with a predetermined frequency spacing therebetween are detected using two reference signals. A relative phase detector (1) is provided with a reference signal generation unit (11) for ge...  
WO/2010/116288
The present invention relates to a method and device for detecting coherent optical radiation. In the proposed method, an emission wavelength (8) of a laser (5) is tuned or set close to a wavelength (9) of the coherent radiation (3) to b...  
WO/2010/091180
Systems and methods are provided for ultrafast optical waveform sampling based on temporal stretching of an input signal waveform. Temporal stretching is performed using a time lens based on four-wave mixing in a nonlinear medium. The si...  
WO/2010/091180
Systems and methods are provided for ultrafast optical waveform sampling based on temporal stretching of an input signal waveform. Temporal stretching is performed using a time lens based on four-wave mixing in a nonlinear medium. The si...  
WO/2010/086377
The invention relates to a method for measuring a wave surface of an optical component consisting of a stack of at least two layers with different refractive indices based on reflection or transmission measurements of points located on o...  
WO/2010/086377
The invention relates to a method for measuring a wave surface of an optical component consisting of a stack of at least two layers with different refractive indices based on reflection or transmission measurements of points located on o...  
WO/2010/077675
Methods include simultaneously diffracting a beam in a first direction and a second direction orthogonal to the first direction to form a once-diffracted beam, where the beam comprises a wavefront shaped by a test object, simultaneously ...  
WO/2010/077675
Methods include simultaneously diffracting a beam in a first direction and a second direction orthogonal to the first direction to form a once-diffracted beam, where the beam comprises a wavefront shaped by a test object, simultaneously ...  
WO/2010/064022
Wavefront sensing apparatus comprises a beam splitter (106) for combining a wavefront to be characterised (105) with a frequency-shifted plane wavefront (111) and a bundle of optical fibres (112) arranged to detect the combined beam at a...  
WO/2010/058193
A mirror structure is provided in which at least a portion of a wavefront sensor is integrated with a mirror. In particular, a mirror structure is provided in which a Hartmann mask or a microlensarray of a Shack-Hartmann wavefront sensor...  
WO/2010/058193
A mirror structure is provided in which at least a portion of a wavefront sensor is integrated with a mirror. In particular, a mirror structure is provided in which a Hartmann mask or a microlensarray of a Shack-Hartmann wavefront sensor...  
WO/2010/058199
A mirror structure is provided in which at least a portion of a wavefront sensor is integrated with a mirror. In particular, a mirror structure is provided in which a Hartmann mask or a microlens array of a Shack-Hartmann wavefront senso...  
WO/2010/055585
A delayed interferometer is provided with a branch means that branches a differential phase modulated light signal into first branch light and second branch light, a light dispersion means that disperses either first branch light or seco...  
WO/2010/054097
Exemplary embodiments of apparatus, methods and systems according to the present disclosure can be provided for optical frequency domain imaging (e.g., partially fiber- based) to obtain information associated with an anatomical structure...  
WO/2010/054097
Exemplary embodiments of apparatus, methods and systems according to the present disclosure can be provided for optical frequency domain imaging (e.g., partially fiber- based) to obtain information associated with an anatomical structure...  
WO/2010/043895
A method of operating a spectrometer to determine the wavelength of an optical signal, in particular for determining the resonant wavelength of an optical fibre Bragg grating. The spectrometer comprises an array of photosensitive pixels ...  
WO/2010/038418
The measuring accuracy of an object surface shape measuring device using a two-wavelength phase-shift interferometry is improved. The surface shape measuring device is provided with a low-coherence light source (101), a plurality of wav...  
WO/2010/001047
The invention relates to a device for the optical characterisation of an object (75) having very small dimensions, which comprises: a wide-band light source; a polarisation separator (67) receiving the light from the light source and pro...  
WO/2009/137243
Systems and methods determining amplitude and phase versus frequency of an incoming beam of pulsed laser light. An apparatus is set to an initial configuration to split the incoming beam into two beams of substantially equal intensity, d...  
WO/2009/125034
The optical compensation device essentially comprises a spot light source, an optical collimator, a linear polarizer, a complex optical element such as a progressive ophthalmic lens, optionally a compensator prism, a thin-film beam split...  
WO/2009/119005
Provided are a phase object identification device and method capable of identifying a phase object in a method completely different from a conventional phase object observation method or measurement method. A phase object identification ...  
WO/2009/111556
A pixel based on a pinned-photodiode structure that creates a lateral electric drift field. The combination of the photodiode with adjacent CCD gates enables the utilization of the drift field device in applications such as 3-D imaging. ...  
WO/2009/067974
The invention relates to a method for determining the phase difference between two frequency bands in the frequency spectrum of an electromagnetic sample radiation (5). Said method comprises the following steps: the sample radiation (5) ...  
WO/2009/067974
The invention relates to a method for determining the phase difference between two frequency bands in the frequency spectrum of an electromagnetic sample radiation (5). Said method comprises the following steps: the sample radiation (5) ...  
WO/2009/049393
The present invention relates to a system and method to determine chromatic dispersion in short lengths of waveguides using a three wave interference pattern and a single-arm interferometer. Specifically the invention comprises a radiati...  
WO/2009/036436
A detector assembly is configured for characterizing electromagnetic energy that propagates along a light path. At least a component of the electromagnetic energy carries electromagnetic energy information along the light path. The detec...  
WO/2009/036436
A detector assembly is configured for characterizing electromagnetic energy that propagates along a light path. At least a component of the electromagnetic energy carries electromagnetic energy information along the light path. The detec...  
WO/2009/023774
Systems and methods are provided for disrupting tissue within preretinal or retinal structures of an eye. At least one femtosecond laser pulse is directed through the cornea of the eye to a target location. The at least one femtosecond l...  

Matches 1 - 50 out of 1,607