Patents by Inventor Vladimir Krupkin
Vladimir Krupkin 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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Patent number: 9766325Abstract: A laser jammer configured for being a part of a countermeasure system. The system comprises a stage having an axis of rotation and laser source mounted on the stage. The laser source is configured for emitting a laser beam having an optical axis perpendicular to the axis of rotation. The laser has a first spread in a first plane parallel to the rotation axis of the stage and including the optical axis, and a second spread in a second plane perpendicular to the first plane and including the optical axis. The first spread is greater than the second spread.Type: GrantFiled: October 18, 2011Date of Patent: September 19, 2017Assignee: ACTIVE AIR LTD.Inventor: Vladimir Krupkin
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Patent number: 9074854Abstract: A countermeasure system for protecting a target against a threat comprising a sensing system including a first sensor(s) for detecting a threat within a wide-angle sector and producing a first directional signal indicative of a first angular zone of the threat location, and a second sensor(s) for detecting the threat within a narrow-angle sector narrower than the wide angle sector and for producing a second directional signal indicative of a relatively narrower second angular zone of the threat location; an illumination source for emitting a beam for neutralizing a threat; a controller for receiving signals from the sensors and for outputting tracking signals; a drive arrangement for moving the second sensor responsive to the first tracking signal to orient the second sensor to face towards the first zone, and beam directing means for directing the beam from the illumination source towards the second zone based on the second tracking signal.Type: GrantFiled: June 13, 2013Date of Patent: July 7, 2015Assignee: ACTIVE AIR LTD.Inventors: Vladimir Krupkin, Shay Shlomi Alagem
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Publication number: 20140368814Abstract: A countermeasure system for protecting a target against a threat comprising a sensing system including a first sensor(s) for detecting a threat within a wide-angle sector and producing a first directional signal indicative of a first angular zone of the threat location, and a second sensor(s) for detecting the threat within a narrow-angle sector narrower than the wide angle sector and for producing a second directional signal indicative of a relatively narrower second angular zone of the threat location; an illumination source for emitting a beam for neutralizing a threat; a controller for receiving signals from the sensors and for outputting tracking signals; a drive arrangement for moving the second sensor responsive to the first tracking signal to orient the second sensor to face towards the first zone, and beam directing means for directing the beam from the illumination source towards the second zone based on the second tracking signal.Type: ApplicationFiled: June 13, 2013Publication date: December 18, 2014Inventors: Vladimir Krupkin, Shai Shlomi Alagem
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Publication number: 20140147116Abstract: A laser jammer configured for being a part of a countermeasure system. The system comprises a stage having an axis of rotation and laser source mounted on the stage. The laser source is configured for emitting a laser beam having an optical axis perpendicular to the axis of rotation. The laser has a first spread in a first plane parallel to the rotation axis of the stage and including the optical axis, and a second spread in a second plane perpendicular to the first plane and including the optical axis. The first spread is greater than the second spread.Type: ApplicationFiled: October 18, 2011Publication date: May 29, 2014Applicant: ACTIVE AIR LTD.Inventor: Vladimir Krupkin
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Publication number: 20110096320Abstract: Apparatus, for detecting at least one object and preventing receiver burn-out, mounted on a vehicle, including a laser and at least one receiver, the receiver being coupled with the laser, the laser for transmitting a beam of light and the receiver for detecting reflections of the beam of light from the object, the laser including at least one signal diode, a commutator, a power supply signal diode driver, a circulator, an erbium doped fiber (EDF), a wavelength division multiplexer (WDM), a narrow band Bragg reflector, a first fiber pump diode, an output combiner and a second fiber pump diode, the commutator being coupled with each signal diode and the power supply signal diode drive, the circulator being optically coupled with each signal diode, the EDF and the output combiner, the WDM being optically coupled with the EDF, the narrow band Bragg reflector and the first fiber pump diode and the second fiber pump diode being optically coupled with the output combiner, each signal diode generating a beam of lighType: ApplicationFiled: October 28, 2010Publication date: April 28, 2011Applicant: ELBIT SYSTEMS ELECTRO-OPTICS ELOP LTD.Inventors: Vladimir Krupkin, Avishay Yaniv, Alla German, Moshe Sarid, Avigdor Zajdman, Elena Luria, Itamar Shoshan
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Patent number: 7847235Abstract: A novel laser obstacle warning and ranging system, for detecting hard-to-see long and thin obstacles in particular, comprises a fiber laser including a signal diode, a circulator, an erbium doped fiber, a wavelength division multiplexer, a narrow band reflector, a first fiber pump diode, an input combiner, an erbium-ytterbium co-doped fiber, a second fiber pump diode, an output combiner and a third fiber pump diode.Type: GrantFiled: July 20, 2007Date of Patent: December 7, 2010Assignee: Elbit Systems Electro-Optics Elop Ltd.Inventors: Vladimir Krupkin, Avishay Yaniv, Alla German, Moshe Sarid, Avigdor Zajdman, Elena Luria, Itamar Shoshan
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Patent number: 7688247Abstract: A DIRCM (Direct IR Counter Measures) system includes a detection and warning apparatus for detecting a missile that might pose a threat on the platform to which said system is allocated, and for generating a warning of its existence. The warning may include data that enable the calculation of the expected direction from which the missile is approaching. The DIRCM system may also include an acquisition device for performing acquisition of the approaching missile in accordance with the data provided by the detection and warning apparatus, and issuing data that may enable the calculation in real time of the updated position of the missile, a fiber laser for generating a laser beam, and a motion and aiming enabled turret, coupled with the laser, for directing the laser beam onto the approaching missile.Type: GrantFiled: June 3, 2004Date of Patent: March 30, 2010Assignee: ELOP Electro-Optical Industries Ltd.Inventors: Israel Anschel, Vladimir Krupkin, Andrew Lovett, Zachary Sacks, Doron Chomski, Zeev Schiffer, Kuti Grossman, Elena Luria, Doron David, Itamar Shoshan
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Patent number: 7663791Abstract: A scanning system, including a main housing, and at least one optical wedge (12) rotatable about a shaft means (40) located within the main housing (26), wherein a laser beam having an optical axis and incident on the optical wedge (12), is refracted at least once by the wedge; characterized in that the shaft means (40) passes through the center of the at least one wedge (12) and that the optical axis of the incident laser beam is substantially parallel to, but laterally offset from, the shaft means (40).Type: GrantFiled: May 6, 2004Date of Patent: February 16, 2010Assignee: ELOP Electro-Optics Industries Ltd.Inventors: Vladimir Krupkin, Naftaly Shcheranski, Boaz Lubashitz
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Publication number: 20090262760Abstract: Apparatus, for detecting at least one object and preventing receiver burn-out, mounted on a vehicle, including a laser and at least one receiver, the receiver being coupled with the laser, the laser for transmitting a beam of light and the receiver for detecting reflections of the beam of light from the object, the laser including at least one signal diode, a commutator, a power supply signal diode driver, a circulator, an erbium doped fiber (EDF), a wavelength division multiplexer (WDM), a narrow band Bragg reflector, a first fiber pump diode, an output combiner and a second fiber pump diode, the commutator being coupled with each signal diode and the power supply signal diode drive, the circulator being optically coupled with each signal diode, the EDF and the output combiner, the WDM being optically coupled with the EDF, the narrow band Bragg reflector and the first fiber pump diode and the second fiber pump diode being optically coupled with the output combiner, each signal diode generating a beam of lighType: ApplicationFiled: July 20, 2007Publication date: October 22, 2009Inventors: Vladimir Krupkin, Avishay Yaniv, Alla German, Moshe Sarid, Avigdor Zajdman, Elena Luria, Itamar Shoshan
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Patent number: 7507683Abstract: A glass-ceramic material, particularly for elements in laser systems, and a method for preparing same. The glass-ceramic material may be used for an optical fiber for communication systems and laser systems. The glass-ceramic may include gahnite crystals and optionally ?-quartz-like solid solution, or a petalite-like crystals, spinel, and zirconia crystals. The elements may comprise a host material glass-ceramic, where the glass-ceramic is doped with appropriate ions.Type: GrantFiled: September 21, 2007Date of Patent: March 24, 2009Assignee: Elop Electro-Optics Industries Ltd.Inventors: Marina Sirota, Ehud Galun, Adrian Goldshtein, Alla Buch, Vladimir Krupkin, Rami Cohen, Alexander Glushko, Elena Luria
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Patent number: 7466727Abstract: A passive Q-switch for a laser system, and a method for its production. The laser is operative at near infrared wavelength region, including the eye-safe region. The Q-switch includes a saturable absorber based on IV-VI semiconductor nanocrystals (NCs), embedded in a polymer matrix. The NCs preferably include lead selenide, lead sulfide, or lead selenide sulfide. The NCs may be surface passivated, and may feature a PbSe/PbS core-shell configuration.Type: GrantFiled: October 16, 2006Date of Patent: December 16, 2008Assignees: ELOP Electro-Optics Industries Ltd., Technion Research and Development Foundation Ltd.Inventors: Ehud Galun, Efrat Lifshitz, Marina Sirota, Vladimir Krupkin, Aldona Sashchiuk
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Publication number: 20080219300Abstract: Fiber laser (130), for producing a single mode (SM) polarized single frequency (SF) high power laser beam of light, the fiber laser including an SF laser oscillator (132), a fiber laser pre amplifier (134, 150) and a high power fiber laser power amplifier (136, 200, 300), the fiber laser pre amplifier being optically coupled with the laser oscillator and the high power fiber laser power amplifier being optically coupled with the fiber laser pre amplifier, the SF laser oscillator for generating a laser beam of light having a predetermined frequency, the fiber laser pre amplifier for pre amplifying the laser beam of light and the high power fiber laser power amplifier for amplifying the laser beam of light, the high power fiber laser power amplifier including a fiber optic isolator (206, 302), at least one first amplification stage (202, 314) and at least one second amplification stage (204, 316), the fiber optic isolator being optically coupled with the fiber laser pre amplifier and the second amplification stType: ApplicationFiled: September 26, 2006Publication date: September 11, 2008Applicant: ELBIT SYSTEMS ELECTRO-OPTICS ELOP LTD.Inventors: Vladimir Krupkin, Avishay Yaniv, Elena Luria
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Publication number: 20080207425Abstract: A glass-ceramic material, particularly for elements in laser systems, and a method for preparing same. The glass-ceramic material may be used for an optical fiber for communication systems and laser systems. The glass-ceramic may include gahnite crystals and optionally ?-quartz-like solid solution, or a petalite-like crystals, spinel, and zirconia crystals. The elements may comprise a host material glass-ceramic, where the glass-ceramic is doped with appropriate ions.Type: ApplicationFiled: September 21, 2007Publication date: August 28, 2008Applicant: ELOP ELECTRO-OPTICS INDUSTRIES LTD.Inventors: Marina Sirota, Ehud Galun, Adrian Goldshtein, Alla Buch, Vladimir Krupkin, Rami Cohen, Alexander Glushko, Elena Luria
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Patent number: 7316986Abstract: A glass-ceramic material, particularly for elements in laser systems, and a method for preparing same. The glass-ceramic material may be used for an optical fiber for communication systems and laser systems. The glass-ceramic may include gahnite crystals and optionally ?-quartz-like solid solution, or a petalite-like crystals, spinel, and zirconia crystals. The elements may comprise a host material glass-ceramic, where the glass-ceramic is doped with appropriate ions.Type: GrantFiled: May 25, 2005Date of Patent: January 8, 2008Assignee: Elop Electro-Optics Industries Ltd.Inventors: Marina Sirota, Ehud Galun, Adrian Goldshtein, Alla Buch, Vladimir Krupkin, Rami Cohen, Alexander Glushko, Elena Luria
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Publication number: 20070206177Abstract: A DIRCM (Direct IR Counter Measures) system includes a detection and warning apparatus for detecting a missile that might pose a threat on the platform to which said system is allocated, and for generating a warning of its existence. The warning may include data that enable the calculation of the expected direction from which the missile is approaching. The DIRCM system may also include an acquisition device for performing acquisition of the approaching missile in accordance with the data provided by the detection and warning apparatus, and issuing data that may enable the calculation in real time of the updated position of the missile, a fiber laser for generating a laser beam, and a motion and aiming enabled turret, coupled with the laser, for directing the laser beam onto the approaching missile.Type: ApplicationFiled: June 3, 2004Publication date: September 6, 2007Applicant: ELOP ELECTRO-OPTICAL INDUSTRIES LTD.Inventors: Israel Anschel, Vladimir Krupkin, Andrew Lovett, Zachary Sacks, Doron Chomski, Zeev Schiffer, Kuti Grossman, Elena Luria, Doron David, Itamar Shoshan
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Publication number: 20070076770Abstract: A passive Q-switch for a laser system, and a method for its production. The laser is operative at near infrared wavelength region, including the eye-safe region. The Q-switch includes a saturable absorber based on IV-VI semiconductor nanocrystals (NCs), embedded in a polymer matrix. The NCs preferably include lead selenide, lead sulfide, or lead selenide sulfide. The NCs may be surface passivated, and may feature a PbSe/PbS core-shell configuration.Type: ApplicationFiled: October 16, 2006Publication date: April 5, 2007Inventors: Ehud Galun, Efrat Lifshitz, Marina Sirota, Vladimir Krupkin, Aldona Sashchiuk
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Publication number: 20070041018Abstract: There is provided a scanning system, including a main housing, and at least one optical wedge (12) rotatable about a shaft means (40) located within the main housing, wherein a laser beam having an optical axis and incident on the optical wedge (12), is refracted at least once by the wedge; characterized in that the shaft means (40) passes through the center of the at least one wedge (12) and that the optical axis of the incident laser beam is substantially parallel to, but laterally offset from, the shaft means (40).Type: ApplicationFiled: May 6, 2004Publication date: February 22, 2007Applicant: ELOP ELECRTO-OPTICS INDUSTRIES LTD.Inventors: Vladimir Krupkin, Naftaly Shcheranski, Boaz Lubashitz
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Patent number: 6992965Abstract: A method and apparatus for reading in a three-dimensional information carrier are presented. The three-dimensional information carrier is formed with a plurality of spaced-apart data regions, each surrounded by surrounding-regions. The data regions are made of a material capable of generating an output excited radiation, when interacting with a predetermined incident exciting radiation, while the surrounding regions are substantially optically transparent. The apparatus comprises an illumination unit, a light directing unit and a detector unit. The illumination unit produces a scanning beam of the incident radiation. The light directing unit projects the incident radiation onto a scan region located in an addressed plane inside the carrier and collects the output radiation.Type: GrantFiled: August 26, 1998Date of Patent: January 31, 2006Assignee: D Data Inc.Inventors: Boris Glushko, Vladimir Krupkin
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Publication number: 20060009342Abstract: A glass-ceramic material, particularly for elements in laser systems, and a method for preparing same. The glass-ceramic material may be used for an optical fiber for communication systems and laser systems. The glass-ceramic may include gahnite crystals and optionally ?-quartz-like solid solution, or a petalite-like crystals, spinel, and zirconia crystals. The elements may comprise a host material glass-ceramic, where the glass-ceramic is doped with appropriate ions.Type: ApplicationFiled: May 25, 2005Publication date: January 12, 2006Applicant: ELOP ELECTRO-OPTICS INDUSTRIES LTD.Inventors: Marina Sirota, Ehud Galun, Adrian Goldshtein, Alla Buch, Vladimir Krupkin, Rami Cohen, Alexander Glushko, Elena Luria
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Publication number: 20050281508Abstract: Light amplifier including an active optical fiber, arranged such that a plurality of fiber sections thereof are aligned and closely packed along a substantially flat plane, thereby defining a light pumping region, and a light introducer having an entry surface and a substantially flat exit surface, the substantially flat exit surface being coupled with the light pumping region, wherein the light enters the active fiber at the light pumping region, through the light introducer, and wherein the device amplifies the light by exciting the active constituents of the active optical fiber.Type: ApplicationFiled: November 3, 2004Publication date: December 22, 2005Applicant: ELOP ELECTRO-OPTICS INDUSTRIES LTD.Inventors: Vladimir Krupkin, Ehud Shafir