Patents by Inventor Vladimir Kotov
Vladimir Kotov 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: 8312560Abstract: The invention relates to a multifunctional scanning probe microscope comprising: a base (1); a preliminary approach unit (3) movably mounted on the base (1); a piezo-scanner (4) disposed on the preliminary approach unit (3); an object holder (5) disposed on the piezo-scanner (4); a sample (6) which comprises a measuring area (M) and is attached to the piezo-scanner (4) with the aid of the object holder (5); a platform (9) attached to the base (1) opposite the sample (6); an analyzer mounted on the platform (9) and comprising a first measuring head (13) which is oriented towards the sample (6) and is adapted for probing the measuring area (M) of the sample (6).Type: GrantFiled: February 12, 2010Date of Patent: November 13, 2012Assignee: NT-MDT Service & Logistics Ltd.Inventors: Andrey Bykov, Vladimir Kotov, Viktor Bykov
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Publication number: 20110296565Abstract: The invention relates to a multifunctional scanning probe microscope comprising: a base (1); a preliminary approach unit (3) movably mounted on the base (1); a piezo-scanner (4) disposed on the preliminary approach unit (3); an object holder (5) disposed on the piezo-scanner (4); a sample (6) which comprises a measuring area (M) and is attached to the piezo-scanner (4) with the aid of the object holder (5); a platform (9) attached to the base (1) opposite the sample (6); an analyzer mounted on the platform (9) and comprising a first measuring head (13) which is oriented towards the sample (6) and is adapted for probing the measuring area (M) of the sample (6).Type: ApplicationFiled: February 12, 2010Publication date: December 1, 2011Applicant: NT-MDT SERVICE & LOGISTICS LTD.Inventors: Andrey Bykov, Vladimir Kotov, Viktor Bykov
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Publication number: 20090128906Abstract: A compact polarisation selection device (99, 100, 300, 350, 500, 550) for all kind of laser beam applications is proposed. The device (99, 100, 300, 350, 500, 550) comprises at least two components (60, 70), the first component (60) having a surface (80), which is at least partly making an angle of substantially ?B,i or substantially ??B,i with respect to the first direction of the incident beam and the second component having a surface being complementary thereto. ?B,i thereby is the internal Brewster angle. As the first component (60) and the second component (70) are adapted to be offset from each other such that light leaving the surface (80) of said first component (60) is at least partly coupled into the second component (70) via said complementary shaped surface (74), selection of a polarisation component of the incident light beam is obtained. In case the surfaces are at least partly cylindrical symmetrical, at least partly radial polarised light components are obtained.Type: ApplicationFiled: July 17, 2006Publication date: May 21, 2009Applicant: Vrije Universiteit BrusselInventors: Johan Stiens, Vladimir Kotov
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Publication number: 20070252085Abstract: A method and system for detecting and monitoring a temporal and spatial distribution of a light beam are provided. A semiconductor substrate (120) having a given doping concentration range is partially exposed to an incident laser beam (150). Each part of the semiconductor structure (120) which is exposed to the laser beam is provided with an electrical contact (145), which outputs a voltage which is directly related to the optical power or energy incident on the exposed area. The thermo-voltage is produced by the laser induced thermal gradients. The sensitivity and inter-pixel cross-talk is determined by pixel pitch, doping concentration and window opening (110). Depending of the design, each pixel might be sensitive to the temporal variation of the laser beam.Type: ApplicationFiled: September 23, 2005Publication date: November 1, 2007Applicant: VRIJE UNIVERSITEIT BRUSSELInventors: Johan Stiens, Gennady Shkerdin, Vladimir Kotov
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Patent number: 7193202Abstract: A method and system for detecting and monitoring a temporal and spatial distribution of a light beam are provided. A semiconductor substrate (120) having a given doping concentration range is partially exposed to an incident laser beam (150). Each part of the semiconductor structure (120) which is exposed to the laser beam is provided with an electrical contact (145), which outputs a voltage which is directly related to the optical power or energy incident on the exposed area. The thermo-voltage is produced by the laser induced thermal gradients. The sensitivity and inter-pixel cross-talk is determined by pixel pitch, doping concentration and window opening (110). Depending of the design, each pixel might be sensitive to the temporal variation of the laser beam.Type: GrantFiled: September 23, 2004Date of Patent: March 20, 2007Assignee: Vrije Universiteit BrusselInventors: Johan Stiens, Gennady Shkerdin, Vladimir Kotov
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Publication number: 20060060754Abstract: A method and system for detecting and monitoring a temporal and spatial distribution of a light beam are provided. A semiconductor substrate (120) having a given doping concentration range is partially exposed to an incident laser beam (150). Each part of the semiconductor structure (120) which is exposed to the laser beam is provided with an electrical contact (145), which outputs a voltage which is directly related to the optical power or energy incident on the exposed area. The thermo-voltage is produced by the laser induced thermal gradients. The sensitivity and inter-pixel cross-talk is determined by pixel pitch, doping concentration and window opening (110). Depending of the design, each pixel might be sensitive to the temporal variation of the laser beam.Type: ApplicationFiled: September 23, 2004Publication date: March 23, 2006Inventors: Johan Stiens, Gennady Shkerdin, Vladimir Kotov
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Patent number: 6396630Abstract: A compact transmissive phase retarder for large and high power laser beam applications is proposed. The laser beam is orthogonally incident on the flat input surface of the optical element and is emergent from the optical component via a second flat output surface. The cross-section of the optical element is characterized by a triangularly or trapezoidally folded surface. The folded surface replaces the inclined surface of bulk equivalent elements. The functionality of the device is provided by a multi-layer interferometric structure deposited on the folded structure.Type: GrantFiled: March 16, 2001Date of Patent: May 28, 2002Assignee: Rose Research, LLCInventors: Johan Stiens, Vladimir Kotov