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WO/2013/082272A1 |
A tunable light source system with wavelength measurement capability for a hyper- spectral imaging system is disclosed. A method includes reference filtering a portion of a tunable light beam while tuning the center wavelength, detecting...
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WO/2013/050470A1 |
A method of determining a reference calibration setting for an adaptive optics system (1) comprising a detecting device (8) for detecting light from an object (5); and at least one controllable wavefront modifying device (9) arranged suc...
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WO/2013/024274A1 |
This invention relates to an infra red wavefront sensor device (10) including: • a plurality of tapered coherent fibre optic image conduits (12a, 12b), wherein each image conduit has an input surface (14a, 14b) and a body portion (16a,...
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WO/2013/020092A1 |
Example embodiments of a large dynamic range sequential wavefront sensor for vision correction or assessment procedures are disclosed. An example embodiment optically relays a wavefront from an eye pupil or corneal plane to a wavefront s...
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WO/2012/160936A1 |
The present invention provides a wavefront measuring apparatus and method, and object measuring apparatus which can increase resolution of wavefronts of electromagnetic wave pulses without being limited by the number of detecting element...
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WO/2012/150195A1 |
A waveguide spectrum analyser comprises an input waveguide (10) for receiving a beam of electromagnetic radiation to be spectrally analysed, a plurality of output waveguides (14, 16) which are single mode for wavelengths longer than a ce...
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WO/2012/129811A1 |
A method for detecting a laser paper includes the steps of: producing a film (2) which includes a plurality of non-transmissive strips (21), wherein the adjacent non-transmissive strips (21) are separated by transmissive strips (22); irr...
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WO/2012/130209A2 |
The invention relates to a device and to a method for detecting and analysing laser radiation. According to a first alternative, the device according to the invention comprises a diffraction grating, at least one imaging lens, and at lea...
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WO/2012/087136A1 |
An optical measuring device measures a wavelength of a response from a sensing device. The optical measuring device contains a light path coupled to an interface for coupling the light path to the sensing device. A periodic optical filte...
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WO/2012/076500A1 |
A demodulation sensor (30) is described for detecting and demodulating a modulated radiation field impinging on a substrate (31). The sensor comprises the means (1,7,15) for generating, in the substrate, a static majority current assiste...
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WO/2012/073346A1 |
The purpose of the present invention is to provide a light-receiving module for a semiconductor light-emitting element and a detection device for the semiconductor light-emitting element, that are capable of precisely calculating the amo...
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WO/2012/073345A1 |
The purpose of the present invention is to provide a light-receiving module for a light-emitting element and a detection device for the light-emitting element, that are capable of precisely calculating the amount of light emitted by the ...
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WO/2012/072090A1 |
A method of determining a border (50) of an intensity distribution (48) on a detection surface (42) is provided, the intensity distribution (48) being generated by electromagnetic radiation after having passed through an optical system (...
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WO/2011/134562A9 |
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 ...
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WO/2012/059690A1 |
The present invention relates to an interferometric system which includes a polarization separation means (10), a first polarization conversion means (11), a Mach-Zehnder interferometer (2) including a first (4) and second (5) arm connec...
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WO/2012/031784A1 |
The present application is directed to the measurement of the intensity and phase of high speed optical signals. The present application uses a tunable optical local oscillator, an optical coupler, a photodiode and RF electronics. The tu...
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WO/2012/012900A1 |
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...
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WO/2012/008031A1 |
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...
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WO/2012/004213A1 |
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...
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WO/2011/136382A1 |
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...
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WO/2011/136381A1 |
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...
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WO/2011/126372A1 |
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...
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WO/2011/122951A1 |
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...
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WO/2011/110714A1 |
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...
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WO/2011/054367A1 |
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...
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WO/2011/042674A1 |
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 ...
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WO/2011/044218A1 |
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...
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WO/2011/039118A1 |
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...
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WO/2011/011385A2 |
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...
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WO/2011/006106A1 |
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...
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WO/2010/150092A1 |
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 ...
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WO/2010/141702A2 |
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...
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WO/2010/125344A1 |
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);...
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WO/2010/122879A1 |
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 ...
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WO/2010/116918A1 |
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...
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WO/2010/091180A2 |
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...
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WO/2010/086377A2 |
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...
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WO/2010/077675A2 |
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 ...
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WO/2010/064022A1 |
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...
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WO/2010/058193A2 |
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...
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WO/2010/058199A1 |
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...
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WO/2010/055585A1 |
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...
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WO/2010/054097A2 |
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...
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WO/2010/043895A1 |
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 ...
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WO/2010/038418A1 |
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...
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WO/2010/001047A1 |
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...
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WO/2009/137243A2 |
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...
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WO/2009/125034A1 |
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...
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WO/2009/119005A1 |
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 ...
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WO/2009/111556A1 |
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. ...
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