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| Number | Title | Issue Date |
| 8158917 | Optical wavefront sensor and optical wavefront sensing method An optical wavefront sensor comprising a light manipulation device; a detector for detecting light signals having been subjected to the light manipulation device; and a controller coupled to the manipulation device, the controller controlling the manipulation device... | 04/17/2012 |
| 8129666 | Optical surface shape determination by mapping a lenslet array spot pattern to spatial frequency space Devices systems, and methods can characterize an optical surface of an object. A wavefront sensor system focuses light energy propagating from the object to form a pattern on a detector. The system maps the pattern to an array with a transform function such as a Fou... | 03/06/2012 |
| 8101895 | Measurement method, measurement apparatus, and method of manufacturing optical system The present invention provides a measurement method of measuring a light beam wavefront formed by a measurement target object using a measurement apparatus which includes an optical system having a reference surface and a detection unit having a detection surface, a... | 01/24/2012 |
| 8076624 | Non-cooperative laser target enhancement system and method A system and method forming near diffraction limited size beacon for adaptive optical system using a temporally partially coherent laser source. Comprises projection of laser beams through turbulent medium having non-cooperative target using combination of adaptive ... | 12/13/2011 |
| 8058598 | Fourier telescopic imaging system and method A system and method for imaging far away fast moving objects such as satellites in low earth orbit. The object to be imaged is illuminated simultaneously with a composite beam comprised of a large number of separate laser beams from a large number of laser sources e... | 11/15/2011 |
| 8044332 | Hybrid architecture active wavefront sensing and control system, and method According to various embodiments, provided herein is an optical system and method that can be configured to perform image analysis. The optical system can comprise a telescope assembly and one or more hybrid instruments. The one or more hybrid instruments can be con... | 10/25/2011 |
| 8044331 | Image pickup apparatus and method for manufacturing the same An image pickup apparatus and manufacturing method is disclosed. The image pickup apparatus comprises an optical system, an optical wavefront modulator that modulates an optical transfer function, an aperture adjacent to the optical wavefront modulator, and an image... | 10/25/2011 |
| 8039776 | Quantitative differential interference contrast (DIC) microscopy and photography based on wavefront sensors A wavefront microscope or camera utilizes a wavefront sensor to measure the local intensity and phase gradient of the wavefront and output image maps based on the intensity and phase gradient. A wavefront sensor provides a metal film having patterned structured two ... | 10/18/2011 |
| 8030604 | Optical component operating in near-field transmission A near-field detection optical component operating in transmission. It includes at least one portion (11b) forming at least one grating (11) of diffraction microstructures (11a) succeeding one another over several periods (p), this... | 10/04/2011 |
| 8022345 | Adaptive optics systems using pixelated spatial phase shifters An adaptive optics system comprises a spatial light modulator, a beamsplitter, a pixelated spatial phase shifter, a beam combiner, an imaging device, and a processor. The spatial light modulator can modulate an incoming beam with an aberrated wavefront. The beamspli... | 09/20/2011 |
| 8022344 | Optical wavefront control pattern generating apparatus and optical wavefront control pattern generating method An optical wavefront control pattern generating apparatus (1) relating to the present invention includes: a target image detector unit (60) configured to detect spatial information of the object (B) as a target image; a reconstructed image detector uni... | 09/20/2011 |
| 7999213 | Compact high-speed thin micromachined membrane deformable mirror Provided is a compact, high-speed deformable mirror for use with an adaptive optic. The mirror or wavefront correction device corrects and/or compensates for wavefront aberrations present in a wavefront received by the optics. The mirror includes a deformable membra... | 08/16/2011 |
| 7928351 | Near field diversity method for estimation and correction of aberrations System and method for estimating and correcting an aberration of an optical system. The method includes capturing a first plurality of images on a first plurality of planes. The first plurality of images is formed by at least the optical system. Additionally, the me... | 04/19/2011 |
| 7919741 | Indirect wave front sensing Described are systems and methods that compensate for phase aberration in a high energy laser (HEL) without the need for a “beacon” laser or a wave front sensor to measure the phase aberration in the return signal from the “beacon” laser. In one aspect, the ... | 04/05/2011 |
| 7910869 | Laser processing apparatus using distinct horizontal and vertical data sets A laser processing apparatus includes a laser source (11), a spatial phase modulator (13) configured to modulate a phase of a laser beam emitted from the laser source, a synthetic data generator (17) configured to generate synthetic data by comb... | 03/22/2011 |
| 7847227 | Optical measuring system Apparatus and methods are described for measuring amplitude and phase variations in a spatially coherent beam of light. A beam of coherent light is made incident upon a spatial array of phase modulating elements displaying a pixellated first phase distribution. In a... | 12/07/2010 |
| 7812296 | Imaging apparatus and method for generating an aberration free image An imaging apparatus able to design lenses without regard as to a zoom position or zoom amount and able to restore an image by high precision operation and a method of same, including an optical unit 110 including a plurality of optical systems 110-... | 10/12/2010 |
| 7800035 | Optical wavefront control pattern generating apparatus and optical wavefront control pattern generating method An optical wavefront control pattern generating apparatus includes: a reconstructed image detector unit configured to detect a reconstructed image displayed on the reconstructed image display; and an optimizer unit configured to evaluate the reconstructed image dete... | 09/21/2010 |
| 7781712 | Elimination of piston wraps in segmented apertures by image-based measurements at two wavelengths A segmented array, perfectly aligned except for piston wraps, will have perfect imaging at wavelength λ but will have degraded imaging at other wavelengths. The present method detects and corrects piston wraps by making image-based measurements at a wavelength λ a... | 08/24/2010 |
| 7772531 | Adaptive optics based system and method to generate and control multiple optical beams for trapping and manipulating small particles A combination for use in optical trapping is provided, comprising, in series: an adaptable reflective optical element for sculpting a laser beam to produce a sculpted beam; a beam splitter for splitting the sculpted beam into a first and a second sculpted beam; a mi... | 08/10/2010 |
| 7652235 | Spatial frequency wavefront sensor system and method Devices systems, and methods can characterize an optical surface of an object. A wavefront sensor system focuses light energy propagating from the object to form a pattern on a detector. The system maps the pattern to an array with a transform function such as a Fou... | 01/26/2010 |
| 7649160 | Wave front sensing method and apparatus A new way of mixing instrumental and digital means is described for the general field of wave front sensing. The present invention describes the use, the definition and the utility of digital operators, called digital wave front operators (DWFO) or digital lenses (D... | 01/19/2010 |
| 7645972 | High-speed readout of a wavefront sensor using position sensing device An apparatus rapidly reads out wavefront errors of an input wavefront and includes a holographic optical element (HOE), a position readout detector and a readout device. The HOE receives the input wavefront and includes a hologram of a particular wavefront recorded ... | 01/12/2010 |
| 7626152 | Beam director and control system for a high energy laser within a conformal window A beam control system and method. The system includes an illuminator for providing a first beam of electromagnetic energy at a first wavelength; a source for providing a second beam of electromagnetic energy at a second wavelength; and an arrangement for compensatin... | 12/01/2009 |
| 7619191 | Increase spatial sampling for wave front mid-spatial frequency error recovery A differential curvature sensing device for measuring a wavefront curvature by employing increased spatial sampling for wavefront testing with mid-frequency error recovery. The device includes a sampling sensor having an output beam, an optical element to split said... | 11/17/2009 |
| 7576308 | Mosaic imager using wave front control A wave front control system (“WFCS”) organizes the object scene into a mosaic comprised of a grid of segments and transmits each segment in a temporal sequence. The WFCS steers the light fronts emanating from each segment one segment at a time, through a series ... | 08/18/2009 |
| 7550701 | Non-linear wavefront coding systems and methods Systems and methods reduce aberrations in a wavefront imaged by an optical system having a non-linear detector. A wavefront of electromagnetic radiation from an object imaged to the non-linear detector is encoded. Data from the non-linear detector is digitally conve... | 06/23/2009 |
| 7531774 | Measurement-diverse imaging and wavefront sensing with amplitude and phase estimation A system and method for imaging one or more objects in the presence of unknown phase and amplitude aberrations is described. Multiple images are collected so as to have measurement diversity and processed using a model-based approach to estimate the aberrations. An ... | 05/12/2009 |
| 7525076 | Differential shack-hartmann curvature sensor A differential Shack-Hartmann curvature sensor for measuring a curvature including principal curvatures and directions of a wavefront. The curvature sensor includes a Shack-Hartmann sensor with an input beam and an optical element to split said input beam into three... | 04/28/2009 |
| 7504609 | Phased-array light telescope A phased-array light telescope includes at least two non-obscured light subtelescopes. Each of the light subtelescopes is aimed along a common boresight. The phased-array light telescope further includes a non-obscured combining imager that receives and combines the... | 03/17/2009 |
| 7495200 | Holographic adaptive optic system A holographic adaptive optic system for correcting the wavefront of a light. A phase correction device with a plurality of pixels in the path of the light. A holographic wavefront sensor in the path providing a pair of reconstruction beams for each phase correction ... | 02/24/2009 |
| 7473878 | High power bimorph wave-front correction mirror A laser beam correction system and related methods of use and manufacture are provided. In one example, a laser beam correction system includes a mirror having a first surface and a second surface. An actuator comprising a piezoelectric ceramic disk and a plurality ... | 01/06/2009 |
| 7442909 | Optical measuring system Apparatus and methods are described for of measuring amplitude and phase variations in a spatially coherent beam of light. A beam of coherent light is made incident upon a spatial array of phase modulating elements displaying a pixellated first phase distribution. I... | 10/28/2008 |
| 7437077 | Wavefront sensing system employing active updating of reference positions and subaperture locations on wavefront sensor A free-space adaptive optical laser communication system having signal transmission and reception channels at all terminals in the communication system, wherein wavefront sensing and wavefront correction mechanisms are employed along signal transmission and receptio... | 10/14/2008 |
| 7406263 | Combined wavefront sensor and data detector for a free space optical communications system with adaptive optics In an adaptive optics module, wavefront sensing and data detection are implemented in a single device. For example, an optical-to-electrical converter converts a data-encoded optical beam to an intermediate electrical signal, which contains both the data encoded in ... | 07/29/2008 |
| 7402785 | System and method for correction of turbulence effects on laser or other transmission An incoming laser beam is relayed to a steering mirror and a phase correction device. The beam is relayed from the phase correction device to a focal plane array and to a wavefront sensor (WFS). Low order steering mirror tilt corrections can be based on data from th... | 07/22/2008 |
| 7397018 | Amplitude and phase controlled adaptive optics system An adaptive optics system is provided. The system includes a light source, a pair of deformable mirrors and a detection module. The light source is configured to provide an outgoing beam. The outgoing beam has an amplitude and a phase. The first deformable mirror is... | 07/08/2008 |
| 7390999 | Differential Shack-Hartmann curvature sensor A differential Shack-Hartmann curvature sensor for measuring a curvature including principal curvatures and directions of a wavefront. The curvature sensor includes a Shack-Hartmann sensor with an input beam and an optical element to split said input beam into three... | 06/24/2008 |
| 7381934 | Closed loop compensation system and method for a deformable mirror A closed loop compensation system including a deformable mirror including an array of spaced actuators. An array of spaced sensors is mapped in optical space to reside between pairs of actuators. A lens system receives a wavefront from the deformable mirror and focu... | 06/03/2008 |
| 7372569 | Method of correcting alignment errors in a segmented reflective surface An optical alignment apparatus comprising a plurality of subapertures and a plurality of detectors. The subapertures are optically coupled to a reflective surface which formed by a plurality of adjustable reflective segments. Each subaperture falls within one of two... | 05/13/2008 |
