Abstract: Multicore fibers and endoscope configurations are provided, along with corresponding production and usage methods. Various configurations include an adiabatically tapered proximal fiber tip and/or proximal optical elements for improving the interface between the multicore fiber and the sensor, photonic crystal fiber configurations which reduce the attenuation along the fiber, image processing methods and jointed rigid links configurations for the endoscope which reduce attenuation while maintaining required flexibility and optical fidelity. Various configurations include spectral multiplexing approaches, which increase the information content of the radiation delivered through the fibers and endoscope, and configurations which improve image quality, enhance the field of view, provide longitudinal information. Various configurations include fiber-based wave-front sensors.

Abstract: A system for producing a multicore optical fiber includes a source of electromagnetic radiation in a spectral range that is suitable for inducing photopolymerization of a transparent polymer. An arrangement of one or more optical components is configured to concurrently focus the radiation that is emitted by the source on a plurality of elongated regions of the transparent polymer so as to photopolymerize the transparent polymer solely in the elongated regions to increase the index of refraction of the elongated regions such that in the optical fiber that is formed of the transparent polymer after the elongated regions are photopolymerized, each of the elongated regions functions as a core of the optical fiber and regions of the transparent polymer that surround the elongated regions function as a cladding of each of the cores.

Abstract: Disclosed herein is a super resolution imaging method and system for obtaining an image in a crystal material and/or device.

Abstract: endoscope includes an illumination source for generating a coherent laser illumination beam; an optical sensor; a multicore fiber comprising: at least one core for transferring the illumination beam from the illumination source through said at least one core to a distal end of the fiber, for illumination of a surface to be inspected; and a plurality of cores for transferring light reflected off the surface to the optical sensor; a temporal modulation sequencer for separating a specular image of the illumination beam from an image of the surface; and a processor, for processing sensed data from the optical sensor to generate the image of the surface.

Abstract: A method is provided for use in reducing a size of halo effect in an ophthalmic lens. The method comprises: providing data indicative of a given ophthalmic lens with a first pattern providing prescribed vision improvement, processing said data indicative of the features of the first pattern and generating data indicative of a variation of at least one feature of the first pattern resulting in a second pattern which maintains said prescribed vision improvement and reduces a size of halo effect as compared to that of the lens with the first pattern.

Abstract: Disclosed herein is a super resolution imaging method and system for obtaining an image in a crystal material and/or device.

Abstract: A photonic computing system is presented. The system comprises an arrangement of multiple photonic processing units having input and output ports, each of the photonic processing units comprising an array of photonic guiding units configured to define propagation conditions for multiple light fields associated with one or more optical processing tasks. The system also comprises a plurality of optical connectors, each of the optical connectors performing light field to light field coupling between the input and output ports of the photonic processing units, thereby providing a network of communicating processing units. The photonic computing system can be configured as a module enabling its housing in a network rack.

Abstract: A wavelength multiplexing system is presented comprising at least one basic functional unit extending between input and output light ports. The basic functional unit comprises at least one multi-core fiber. The multi-core fiber comprises N cores configured for supporting transmission of N wavelength channels ?1, . . . , ?n, wherein each of said at least one multi-core fibers is configured to apply a predetermined encoding pattern to the wavelength channels enabling linear mixing between them while propagating through multiple cores of said multi-core fiber. The encoding pattern may be configured to affect light propagation paths in the cores by inducing a predetermined dispersion pattern causing linear interaction and mixing between the channels; or may be configured to affect spectral encoding of the channels being transmitted through the cores by applying different weights to the channels.

Abstract: There are provided optical quantum logic gate (OQLG) characterized by 2n*2n unitary matrix and method of operating thereof. OQLG comprises first optical structure comprising 2n optically-coupled cores with one-to-one correspondence to input binary values specified by the matrix and second optical structure optically connected to the first optical structure and comprising 2n amplifying channels corresponding to the 2n cores. The first optical structure is configured to receive photons in binary fundamental quantum states (FQSs) representing input binary values specified by the matrix and to inject the received photons in the 2n cores, use optical coupling between the cores to mix the injected photons, and output photons into the second optical structure, wherein outputted mixed photons correspond to output binary values specified by the matrix.

Abstract: A system for use in monitoring one or more parameters of a subject's body is described. The system comprising: an illumination unit configured for providing pulsed coherent illumination and directing said illumination onto an inspected region on said subject's body; a collection unit configured for collecting light returning from said inspection region and generate a plurality of data pieces associated with secondary speckle patterns in said light; an external field stimulation unit configured for selectively generating external field stimulation onto the subject's body; and a control unit. The control unit is configured and operable for operating said illumination unit said collection unit and said external field stimulation unit and for receiving said plurality of data pieces from said collection unit to thereby determine said one or more conditions of the subject's body.

Abstract: A method is provided for use in reducing a size of halo effect in an ophthalmic lens. The method comprises: providing data indicative of a given ophthalmic lens with a first pattern providing prescribed vision improvement, processing said data indicative of the features of the first pattern and generating data indicative of a variation of at least one feature of the first pattern resulting in a second pattern which maintains said prescribed vision improvement and reduces a size of halo effect as compared to that of the lens with the first pattern.

Abstract: An optical processor is presented for applying optical processing to a light field passing through a predetermined imaging lens unit. The optical processor comprises a pattern in the form of spaced apart regions of different optical properties. The pattern is configured to define a phase coder, and a dispersion profile coder. The phase coder affects profiles of Through Focus Modulation Transfer Function (TFMTF) for different wavelength components of the light field in accordance with a predetermined profile of an extended depth of focusing to be obtained by the imaging lens unit. The dispersion profile coder is to configured in accordance with the imaging lens unit and the predetermined profile of the extended depth of focusing to provide a predetermined overlapping between said TFMTF profiles within said predetermined profile of the extended depth of focusing.

Abstract: A system for use in imaging through diffusive media is presented. The system comprising: an imaging unit comprising light source unit comprising light source(s) providing coherent illumination with selected wavelength range, and a spatial light modulator configured for selectively varying spatial pattern of wavefront of light generated by the light source(s); a collection unit comprising detector array(s) and located next to said light source unit for collecting light reflected from a sample illuminated by said light source unit. And a control system comprising processing unit(s) and connected to said light source unit and said collection unit, said control system is configured for selectively varying spatial pattern of wavefront of light generated by the light source(s) in accordance with spatial pattern of light collected by said detector array(s) of the collection unit to satisfy a reflectance condition indicative of relation between wavefront spatial pattern and collected light spatial pattern.

Abstract: The present invention provides a system for imaging an object comprising: an optical imaging unit for imaging an object on a detection array, the optical imaging unit defining an optical axis and comprising a multicore fiber configured to collect light from the object at an input edge of the multicore fiber and transfer collected light to an output edge of the multicore fiber; a displacing unit configured to shift the input edge of the multicore fiber relatively to the object in a plane substantially perpendicular to the optical axis to obtain a set of shifted images of the object; and an operating unit configured to operate the displacing unit by setting a shifting amplitude to either a first amplitude inferior or equal to the diameter of a core of the multicore fiber or a second amplitude superior or equal to the diameter of the multicore fiber.

Abstract: An imaging system is described, the system comprises a radiation source unit comprising one or more emitters for emitting electromagnetic radiation of a selected frequency range toward a general direction of propagation; a detection unit comprising one or more detector arrays located along path of electromagnetic radiation emitted from the radiation source unit; an aperture mask unit located in optical path of radiation propagation from the radiation source unit toward the detection unit, providing minimization factor M with respect to a selected location of a sample to be imaged. The aperture mask unit comprises a set of aperture masks, each carrying a pinhole array comprising predetermined number pinholes with selected arrangement. The pinholes of the set of aperture masks are shifted with respect to alignment of the detector cells by fractions of the minimization factor to generate shifted image replications, shifted by fractions of the geometrical resolution.

Abstract: A system for imaging may include an illumination system that includes a light source to generate a light beam; and a spatial encoding pattern generator comprising one or a plurality of optical elements to encode the imaging beam so as to concurrently illuminate an object by a plurality of different spatial encoding patterns, wherein each encoding pattern of said different encoding patterns is characterized by a distinct wavelength of the imaging pattern. The system may also include an imaging sensor for receiving the encoded imaging beam transmitted through the object or reflected off the object; and a processor for decoding image data from the imaging and reconstructing an image of the object.

Abstract: A system for monitoring one or more biological parameters of an individual, the system comprising: an illumination unit comprising at least one coherent light source configured for providing at least one coherent optical illumination beam and for directing said beam onto a selected inspection region on body of said individual; a light collection unit comprising at least a first imaging unit, said first imaging unit comprising a lens unit and a detector array and configured for collecting light returning from said inspection region to thereby generate at least one sequences of image data pieces associated with said inspection region, at a selected sampling rate; a control unit comprising at least one processor, the control unit is configured for receiving input data comprising said at least one sequence of image data piece and for processing the image data pieces for generating data indicative of one or more parameters of the individual.

Abstract: A phase-adjusting element configured to provide substantially liquid-invariant extended depth of field for an associated optical lens. One example of a lens incorporating the phase-adjusting element includes the lens having surface with a modulated relief defining a plurality of regions including a first region and a second region, the first region having a depth relative to the second region, and a plurality of nanostructures formed in the first region. The depth of the first region and a spacing between adjacent nanostructures of the plurality of nanostructures is selected to provide a selected average index of refraction of the first region, and the spacing between adjacent nanostructures of the plurality of nanostructures is sufficiently small that the first region does not substantially diffract visible light.

Abstract: A system and technique are described, for use in optical monitoring of objects. The system comprising: a collection unit comprising at least one optical arrangement and at least one detector array arranged for defocused collection of light returning from a selected region on the object; and image data collection circuitry configured for receiving electronic signals associated with data piece collected by pixels of the at least one detector array and for generating output data indicative of correlation function between image frames collected by the detector array at two or more different temporal instances. The technique thereby enables determining of correlation between image data pieces with reduced computational complexity.

Abstract: An optical processor is presented for applying optical processing to a light field passing through a predetermined imaging lens unit. The optical processor comprises a pattern in the form of spaced apart regions of different optical properties. The pattern is configured to define a phase coder, and a dispersion profile coder. The phase coder affects profiles of Through Focus Modulation Transfer Function (TFMTF) for different wavelength components of the light field in accordance with a predetermined profile of an extended depth of focusing to be obtained by the imaging lens unit. The dispersion profile coder is configured in accordance with the imaging lens unit and the predetermined profile of the extended depth of focusing to provide a predetermined overlapping between said TFMTF profiles within said predetermined profile of the extended depth of focusing.