Patents by Inventor Aleksei Mikhailov
Aleksei Mikhailov 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: 20230112027Abstract: A laser device comprising a plurality of laser diodes (3) arranged at least partially side by side in a first direction (X), wherein, in operation of the laser device, light (21) emanates from the laser diodes (3), an optical fiber (15) into which the light (21) emanating from the laser diodes (3) can be coupled, an optical device which, during operation of the laser device, combines the light (21) emanating from the laser diodes (3), so that the light (21) of a plurality of laser diodes (3) can be coupled at least partially together into the optical fiber (15), the beam parameter product of the laser diodes (3) with respect to the direction in which the laser diodes (3) are arranged next to one another being greater than the beam parameter product of the optical fiber (15).Type: ApplicationFiled: July 13, 2021Publication date: April 13, 2023Inventors: Aleksei MIKHAILOV, Chung-En ZAH
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Patent number: 9798047Abstract: A device (1) for applying light (4) to an inner surface (2) of a cylinder (3), comprising a homogenizer (14), into which light (4) can enter and from which the light (4) can exit, wherein the homogenizer (14) has a cylindrical internal surface (15), on which the light (4) can be reflected after entering and before exiting, and also comprising ways for introducing light (4) into the homogenizing means (14), and focusing arrangements, which can focus light (4) exiting from the homogenizer (14) onto the inner surface (2) of the cylinder (3) to which light (4) is to be applied.Type: GrantFiled: October 14, 2013Date of Patent: October 24, 2017Assignee: LIMO PATENTVERWALTUNG GmbH & Co. KGInventors: Aleksei Mikhailov, Vitalij Lissotschenko
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Publication number: 20160344154Abstract: Fiber laser device, comprising at least one optical fiber (1) having a fiber core, which is composed of a laser-active material or comprises a laser-active material, wherein the optical fiber (1) is wound in the shape of a loop, as well as pump means (15) for optical pumping of the fiber core of the at least one optical fiber (1) with pump light (9), wherein the pump means (15) are designed such that the pump light (9) enters the at least one optical fiber (1) laterally from the outside during the operation of the fiber laser device.Type: ApplicationFiled: February 2, 2015Publication date: November 24, 2016Inventors: Aleksei MIKHAILOV, Vitalij LISSOTSCHENKO
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Patent number: 9446478Abstract: A device for applying laser radiation to an at least partially reflective or transparent region or a workpiece disposed in a working area, with a laser light source for generating the laser radiation and optics for influencing the laser radiation, such that the radiation is transferred into the working area, wherein the optics comprise at least one mirror that can reflect a part of the laser radiation reflected in the working area or a part of the laser radiation having passed through the working area, such that said part of the laser radiation is at least partially fed hack into the working area.Type: GrantFiled: March 23, 2011Date of Patent: September 20, 2016Assignee: LIMO PATENTVERWALTUNG GMBH & CO. KGInventors: Vitalij Lissotschenko, Aleksei Mikhailov, Nikolai Jeremin, Yury Kolutushkin
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Patent number: 9448410Abstract: The invention relates to a device for converting laser radiation (21) into laser radiation having an M profile, comprising separating means (34), which can separate the laser radiation (21) into at least two partial beams (22, 23) which, at least in some sections or partially, move in different directions or are arranged offset from one another, and optics means (38), which can introduce the at least two partial beams (22, 23) in a working plane and/or can, at least in some sections, superimpose the at least two partial beams (22, 23) in the working plane, wherein the separating means (34) comprise a lens array (39, 41) having at least two lenses (40, 42).Type: GrantFiled: December 8, 2011Date of Patent: September 20, 2016Assignee: LIMO PATENTVERWALTUNG GMBH & CO. KGInventor: Aleksei Mikhailov
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Publication number: 20150301235Abstract: A device (1) for applying light (4) to an inner surface (2) of a cylinder (3), comprising a homogenizer (14), into which light (4) can enter and from which the light (4) can exit, wherein the homogenizer (14) has a cylindrical internal surface (15), on which the light (4) can be reflected after entering and before exiting, and also comprising ways for introducing light (4) into the homogenizing means (14), and focusing arrangements, which can focus light (4) exiting from the homogenizer (14) onto the inner surface (2) of the cylinder (3) to which light (4) is to be applied.Type: ApplicationFiled: October 14, 2013Publication date: October 22, 2015Inventors: Aleksei Mikhailov, Vitalij LISSOTSCHENKO
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Publication number: 20150247998Abstract: A device for generating a linear intensity distribution (10) of a laser beam in a working plane (11) comprising at least one laser light source (2), optical means (3) which can form a plurality of sections (4) of the laser beam, and reflecting means on which the sections (4) of the laser beam formed by the optical means (3) can be reflected in such a manner that they are arranged adjacent to one another by the reflecting means in the working plane (11) in the longitudinal direction of the linear intensity distribution (10) to be produced and are combined into the linear intensity distribution (10). The reflecting means comprise particularly a plurality of mirror modules (5, 5?).Type: ApplicationFiled: September 24, 2013Publication date: September 3, 2015Inventor: Aleksei Mikhailov
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Patent number: 8967826Abstract: An illumination apparatus produces a linear intensity distribution. The illumination apparatus contains laser light sources arranged in a number N of rows with in each case a number M of laser light sources which are arranged one next to the other, and emit laser light in a first propagation direction. A number of beam-deflection devices are arranged behind the laser light sources in the first propagation direction and deflect the laser light emitted by the laser light sources into a second propagation direction to a working plane. A beam-merging device is arranged behind the beam-deflection devices in the second propagation direction such that it merges the individual laser beam bundles of the laser light sources into the linear intensity distribution, with adjacent rows being arranged in a first direction perpendicular to first and second emission directions and also offset with respect to one another in the first propagation direction.Type: GrantFiled: September 8, 2011Date of Patent: March 3, 2015Assignee: LIMO Patentverwaltung GmbH & Co. KGInventor: Aleksei Mikhailov
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Publication number: 20150014730Abstract: The invention relates to a light-emitting diode comprising a body (1) which consists at least partly of a semiconductor material. The body (1) has an active layer (2), in which light can be generated, and at least one exit face (3) from which the light that is generated in the active layer (2) can exit. A plurality of structures (5) is provided in the body (1), and at least some of the light exiting the active layer (2) can be scattered at said structures before reaching the exit face (3).Type: ApplicationFiled: February 22, 2013Publication date: January 15, 2015Applicant: LIMO Patentverwallungs GmbH & Co. KGInventor: Aleksei Mikhailov
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Patent number: 8749888Abstract: A device for producing laser radiation includes a homogenizer device which can separately homogenize a plurality of groups of partial beams of laser radiation in such a way that each group of partial beams proceeding from the homogenizer device can produce a line-shaped intensity distribution in a work plane, with the distribution having flanks which drop steeply at the line ends. The device further includes a superposition device for superpositioning the groups of partial beams in such a way that a line-shaped or linear intensity distribution having a length longer than the length of each of the line-shaped intensity distributions of the groups of partial beams can be produced in a work plane, wherein the superposition device includes a lens array having a plurality of lenses.Type: GrantFiled: May 12, 2010Date of Patent: June 10, 2014Assignee: LIMO Patentverwaltung GmbH & Co. KGInventors: Aleksei Mikhailov, Yury Kolotushkin
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Patent number: 8724223Abstract: A device for homogenizing laser radiation contains a plurality of mirror elements which are arranged offset with respect to one another and at which the laser radiation to be homogenized can be reflected in such a way that it is split into a plurality of partial beams corresponding to the number of mirror elements. The partial beams have a path difference with respect to one another as a result of the reflection. The device further has a plurality of lens elements, each of which is respectively assigned to one of the mirror elements in such a way that a respective one of the partial beams can pass through one of the lens elements. A distance between each of the mirror elements and the lens elements assigned thereto is equal to the focal length of the respective lens element.Type: GrantFiled: February 17, 2010Date of Patent: May 13, 2014Assignee: LIMO Patentverwaltung GmbH & Co. KGInventors: Aleksei Mikhailov, Yury Kolotushkin
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Publication number: 20140023105Abstract: A device for deflecting laser radiation (8) with a waveguide (1) having an entrance face (6) and an exit face (7) spaced apart from each other in the Z-direction by a spacing (L), wherein the waveguide (1) has a greater extent in the X-direction than in the Y-direction, and at least two electrodes (4, 5) arranged on the waveguide (1), wherein a deflection voltage (+V, ?V) is applied to the at least two electrodes (4, 5), so that the laser radiation is electro-optically deflected in the waveguide (1) with respect to the X-direction, wherein the spacing (L) between entrance face (6) and exit face (7) has a dimension so that the profile of the laser radiation after exiting the exit face (7) corresponds to the profile of the laser radiation prior to entering the entrance face (6). The spacing (L) may correspond to the Talbot length of the laser radiation.Type: ApplicationFiled: March 15, 2012Publication date: January 23, 2014Applicant: LIMO Patentverwaltungs GmbH & Co. KGInventors: Aleksei Mikhailov, Aliaksei Krasnaberski, Yuri Kolotushkin
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Publication number: 20130271830Abstract: The invention relates to a device for converting laser radiation (21) into laser radiation having an M profile, comprising separating means (34), which can separate the laser radiation (21) into at least two partial beams (22, 23) which, at least in some sections or partially, move in different directions or are arranged offset from one another, and optics means (38), which can introduce the at least two partial beams (22, 23) in a working plane and/or can, at least in some sections, superimpose the at least two partial beams (22, 23) in the working plane, wherein the separating means (34) comprise a lens array (39, 41) having at least two lenses (40, 42).Type: ApplicationFiled: December 8, 2011Publication date: October 17, 2013Applicant: LIMO PATENTVERWALTUNG GMBH & CO. KGInventor: Aleksei Mikhailov
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Publication number: 20130182435Abstract: An illumination apparatus produces a linear intensity distribution. The illumination apparatus contains laser light sources arranged in a number N of rows with in each case a number M of laser light sources which are arranged one next to the other, and emit laser light in a first propagation direction. A number of beam-deflection devices are arranged behind the laser light sources in the first propagation direction and deflect the laser light emitted by the laser light sources into a second propagation direction to a working plane. A beam-merging device is arranged behind the beam-deflection devices in the second propagation direction such that it merges the individual laser beam bundles of the laser light sources into the linear intensity distribution, with adjacent rows being arranged in a first direction perpendicular to first and second emission directions and also offset with respect to one another in the first propagation direction.Type: ApplicationFiled: September 8, 2011Publication date: July 18, 2013Applicant: LIMO PATENTVERWALTUNG GMBH & CO. KGInventor: Aleksei Mikhailov
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Publication number: 20130056450Abstract: A device for applying laser radiation to an at least partially reflective or transparent region or a workpiece disposed in a working area, with a laser light source for generating the laser radiation and optics for influencing the laser radiation, such that the radiation is transferred into the working area, wherein the optics comprise at least one mirror that can reflect a part of the laser radiation reflected in the working area or a part of the laser radiation having passed through the working area, such that said part of the laser radiation is at least partially fed hack into the working area.Type: ApplicationFiled: March 23, 2011Publication date: March 7, 2013Applicant: LIMO PATENTVERWALTUNG GMBH & CO. KGInventors: Vitalij Lissotschenko, Aleksei Mikhailov, Nikolai Jeremin, Yury Kolotushkin
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Publication number: 20120127723Abstract: A device for producing laser radiation includes a homogenizer device which can separately homogenize a plurality of groups of partial beams of laser radiation in such a way that each group of partial beams proceeding from the homogenizer device can produce a line-shaped intensity distribution in a work plane, with the distribution having flanks which drop steeply at the line ends. The device further includes a superposition device for superpositioning the groups of partial beams in such a way that a line-shaped or linear intensity distribution having a length longer than the length of each of the line-shaped intensity distributions of the groups of partial beams can be produced in a work plane, wherein the superposition device includes a lens array having a plurality of lenses.Type: ApplicationFiled: May 12, 2010Publication date: May 24, 2012Applicant: LIMO PATENTVERWALTUNG GMBH & CO. KGInventors: Aleksei Mikhailov, Yury Kolotushkin
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Publication number: 20110299172Abstract: A device for homogenizing laser radiation contains a plurality of mirror elements which are arranged offset with respect to one another and at which the laser radiation to be homogenized can be reflected in such a way that it is split into a plurality of partial beams corresponding to the number of mirror elements. The partial beams have a path difference with respect to one another as a result of the reflection. The device further has a plurality of lens elements, each of which is respectively assigned to one of the mirror elements in such a way that a respective one of the partial beams can pass through one of the lens elements. A distance between each of the mirror elements and the lens elements assigned thereto is equal to the focal length of the respective lens element.Type: ApplicationFiled: February 17, 2010Publication date: December 8, 2011Applicant: LIMO PATENTVERWALTUNG GMBH & CO. KGInventors: Aleksei Mikhailov, Yury Kolotushkin
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Patent number: 7810938Abstract: A laser configuration for machining a workpiece includes a plurality of laser light sources for introducing a laser radiation into a predeterminable working area. Some or all of the laser light sources are disposed on an arc of a circle.Type: GrantFiled: April 6, 2007Date of Patent: October 12, 2010Assignee: Limo Patentverwaltung GmbH & Co. KGInventors: Vitalij Lissotschenko, Aleksei Mikhailov
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Patent number: 7782535Abstract: A device for beam shaping is particularly suited for producing a linear intensity distribution in a working plane. The device includes a laser light source, which can emit a multi-mode laser radiation. The beam quality factor of the radiation with regard to a first direction perpendicular to the propagation direction of the laser radiation is greater than 1 and also the beam quality factor with regard to a second direction perpendicular to the propagation direction is greater than 1. The device further includes a beam transformation assembly, which are arranged in the device in such a way that they can transform the laser radiation or partial beams of the laser radiation in such a way that the beam quality factor with regard to the first direction is increased and that the beam quality factor with regard to the second direction is reduced.Type: GrantFiled: November 28, 2007Date of Patent: August 24, 2010Assignee: Limo Patentverwaltung GmbH & Co. KGInventors: Iouri Mikliaev, Vitalij Lissotschenko, Aleksei Mikhailov, Maxim Darsht
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Patent number: D875106Type: GrantFiled: December 27, 2016Date of Patent: February 11, 2020Assignee: Harman International Industries, IncorporatedInventors: Riley Winton, Chris Ludwig, Aleksei Mikhailov, Ilya Kiselev, Jonathan Carpenter