Patents by Inventor Asaf Shahmoon
Asaf Shahmoon has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240188793Abstract: 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.Type: ApplicationFiled: February 19, 2024Publication date: June 13, 2024Applicant: BAR ILAN UNIVERSITYInventors: Zeev ZALEVSKY, Asaf SHAHMOON, Hamutal Slovin
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Publication number: 20240159958Abstract: 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.Type: ApplicationFiled: January 20, 2024Publication date: May 16, 2024Applicant: ZSquare Ltd.Inventors: Zeev ZALEVSKY, Asaf SHAHMOON, Amihai MEIRI, Oran HERMAN
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Publication number: 20240049956Abstract: Endoscopes, multicore endoscope fibers and configuration and operation methods are provided. The fibers may have hundreds or thousands of cores and possibly incorporate working channel(s) and additional fibers. The fiber may be used at different optical configurations to capture images of tissue and objects at the distal tip and to enhance a wide range of optical characteristics of the images such as resolution, field of view, depth of field, wavelength ranges etc. Near-field imaging as well as far-field imaging may be implemented in the endoscopes and the respective optical features may be utilized to optimize imaging. Optical elements may be used at the distal fiber tip, or the distal fiber tip may be lens-less. Diagnostics and optical treatment feedback loops may be implemented and illumination may be adapted to yield full color images, depth estimation, enhanced field of views and/or depths of field, and additional diagnostic data.Type: ApplicationFiled: October 25, 2023Publication date: February 15, 2024Applicant: ZSQUARE LTD.Inventors: Asaf Shahmoon, Zeev Zalevsky
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Patent number: 11880061Abstract: 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.Type: GrantFiled: October 16, 2021Date of Patent: January 23, 2024Assignee: ZSQUARE LTD.Inventors: Zeev Zalevsky, Asaf Shahmoon, Amihai Meiri, Oran Herman
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Publication number: 20230417982Abstract: Multicore fibers and methods are provided to reduce crosstalk between cores of the multicore fibers. Multicore fibers comprise a plurality of coated and/or cladded cores, which comprise an absorbing and/or scattering coating over a cladding of the core; and/or multilayered cladding comprising at least two cladding layers having different refractive indices. Imaging endoscopes may comprise the multicore fibers and be used for medical imaging.Type: ApplicationFiled: June 26, 2022Publication date: December 28, 2023Applicant: ZSQUARE LTD.Inventors: Asaf SHAHMOON, Amihai MEIRI, Oran HERMAN, Zeev ZALEVSKY
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Publication number: 20230296876Abstract: A system for imaging through a scattering medium may include a spatial and temporal coherent light source for generating an illumination beam to illuminate an object to be imaged through a scattering medium, so as to project an array of spots on the object; an imaging sensor for capturing an image of the object; a first optical setup to capture light transmitted through or reflected off the object and focus the captured light onto a diffractive optical element (DOE) configured to transmit ballistic photons of the captured light arriving from the object while blocking scattered photons; and a second optical setup for capturing light transmitted by the DOE and focus that light onto an imaging plane of the imaging sensor.Type: ApplicationFiled: March 17, 2022Publication date: September 21, 2023Applicant: ZSQUARE LTD.Inventors: Zeev ZALEVSKY, Asaf SHAHMOON, Amihai MEIRI, Oran HERMAN, Shimon ELKABETZ, Arkady RUDNITSKY
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Publication number: 20230148839Abstract: An endoscope device comprises a reusable unit and a disposable unit. The reusable unit comprises a receiver adapted to receive image data and the disposable unit comprises an insertion tube. The insertion tube comprises an optical guide to image a distal object and a housing that is adapted to accommodate the reusable unit. The reusable unit is adapted to be disposed inside the housing and to be mechanically secured in it. The receiver is adapted to receive an optical image from the optical guide and to convert it to digital image data.Type: ApplicationFiled: March 23, 2021Publication date: May 18, 2023Applicant: ZSQUARE LTD.Inventors: Asaf SHAHMOON, Zeev ZALEVSKY, Amihai MEIRI, Vacheslav STAROBINSKY
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Patent number: 11640027Abstract: 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.Type: GrantFiled: July 11, 2021Date of Patent: May 2, 2023Assignee: ZSQUARE LTD.Inventors: Asaf Shahmoon, Zeev Zalevsky
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Publication number: 20230117022Abstract: 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.Type: ApplicationFiled: October 16, 2021Publication date: April 20, 2023Applicant: ZSquare Ltd.Inventors: Zeev Zalevsky, Asaf Shahmoon, Amihai Meiri, Oran Herman
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Publication number: 20230110978Abstract: 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.Type: ApplicationFiled: December 14, 2022Publication date: April 13, 2023Applicant: ZSQUARE LTD.Inventors: Zeev ZALEVSKY, Asaf SHAHMOON, Amihai MEIRI
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Publication number: 20220125286Abstract: 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.Type: ApplicationFiled: January 6, 2022Publication date: April 28, 2022Applicant: BAR ILAN UNIVERSITYInventors: Zeev Zalevsky, Asaf Shahmoon, Hamutal Slovin
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Patent number: 11284786Abstract: 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.Type: GrantFiled: March 7, 2019Date of Patent: March 29, 2022Assignee: ZSquare Ltd.Inventors: Zeev Zalevsky, Omer Itzchak Wagner, Asaf Shahmoon
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Publication number: 20210341670Abstract: 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.Type: ApplicationFiled: July 11, 2021Publication date: November 4, 2021Applicant: Z Square Ltd.Inventors: Asaf SHAHMOON, Zeev ZALEVSKY
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Patent number: 11061185Abstract: 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.Type: GrantFiled: July 16, 2018Date of Patent: July 13, 2021Assignee: Z SQUARE LTD.Inventors: Asaf Shahmoon, Zeev Zalevsky
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Publication number: 20200367735Abstract: 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.Type: ApplicationFiled: August 13, 2020Publication date: November 26, 2020Applicant: BAR ILAN UNIVERSITYInventors: Zeev ZALEVSKY, Asaf SHAHMOON, Hamutal SLOVIN
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Publication number: 20200281451Abstract: 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.Type: ApplicationFiled: March 7, 2019Publication date: September 10, 2020Applicant: Z Square Ltd.Inventors: Zeev ZALEVSKY, Omer Itzchak WAGNER, Asaf SHAHMOON
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Publication number: 20200187766Abstract: An 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.Type: ApplicationFiled: December 17, 2018Publication date: June 18, 2020Applicant: Z SQUARE LTDInventors: Zeev ZALEVSKY, Asaf Shahmoon, Amihai Meiri
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Publication number: 20200174181Abstract: 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.Type: ApplicationFiled: July 16, 2018Publication date: June 4, 2020Applicant: Z Square Ltd.Inventors: Asaf SHAHMOON, Zeev ZALEVSKY
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Publication number: 20200015669Abstract: Endoscopes, multicore endoscope fibers and configuration and operation methods are provided. The fibers may have hundreds or thousands of cores and possibly incorporate working channel(s) and additional fibers. The fiber may be used at different optical configurations to capture images of tissue and objects at the distal tip and to enhance a wide range of optical characteristics of the images such as resolution, field of view, depth of field, wavelength ranges etc. Near-field imaging as well as far-field imaging may be implemented in the endoscopes and the respective optical features may be utilized to optimize imaging. Optical elements may be used at the distal fiber tip, or the distal fiber tip may be lens-less. Diagnostics and optical treatment feedback loops may be implemented and illumination may be adapted to yield full color images, depth estimation, enhanced field of views and/or depths of field, and additional diagnostic data.Type: ApplicationFiled: September 2, 2019Publication date: January 16, 2020Applicant: Z Square Ltd.Inventors: Asaf SHAHMOON, Zeev Zalevsky
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Patent number: 10398294Abstract: Endoscopes, multicore endoscope fibers and configuration and operation methods are provided. The fibers may have hundreds or thousands of cores and possibly incorporate working channel(s) and additional fibers. The fiber may be used at different optical configurations to capture images of tissue and objects at the distal tip and to enhance a wide range of optical characteristics of the images such as resolution, field of view, depth of field, wavelength ranges etc. Near-field imaging as well as far-field imaging may be implemented in the endoscopes and the respective optical features may be utilized to optimize imaging. Optical elements may be used at the distal fiber tip, or the distal fiber tip may be lens-less. Diagnostics and optical treatment feedback loops may be implemented and illumination may be adapted to yield full color images, depth estimation, enhanced field of views and/or depths of field, and additional diagnostic data.Type: GrantFiled: December 22, 2016Date of Patent: September 3, 2019Assignee: Z Square Ltd.Inventors: Asaf Shahmoon, Zeev Zalevsky