Patents by Inventor Robert A. Lieberman

Robert A. Lieberman 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).

  • Patent number: 7650051
    Abstract: Distributed fiber optic chemical and physical sensors can provide a relatively highly uniform response over the length of the fiber by, for example, varying such properties as the core/cladding index of refraction ratio to compensate for the non-linearity in sensitivity. The phenomenon of spatial transient over a length of a fiber introduces such a nonlinearity that can be compensated for by varying at least one parameter of the optical fiber.
    Type: Grant
    Filed: August 21, 2007
    Date of Patent: January 19, 2010
    Assignee: Optech Ventures, LLC
    Inventors: Robert A. Lieberman, Claudio O. Egalon
  • Patent number: 7551810
    Abstract: A fiber optic sensor for sensing the presence of an analyte has a plurality of optical fibers each of which has at least one analyte sensing segment and one or more low loss lead portion, where the optical fibers are disposed on the periphery of a fiber carrier. The analyte sensing segments may be disposed in an offset relationship to provide continuous detection over a desired distance or they may be spaced apart to provide detection at selected locations. More than one set of optical fibers with sensing segments may be combined to provide detection of multiple analytes. Multiple fiber carriers allow each segment or the grouped sets of segments to be coupled together over a distance either in offset relationship or in spaced apart relationship.
    Type: Grant
    Filed: September 22, 2005
    Date of Patent: June 23, 2009
    Assignee: Optech Ventures, LLC
    Inventors: Alexander Berger, Robert A. Lieberman
  • Patent number: 7518724
    Abstract: Image data is acquired, processed, and/or displayed in accordance with an embodiment of the present disclosure to display, monitor, and/or demonstrate the progress of an experiment substantially in real-time and with high sensitivity. In one embodiment, at least one time-resolved value of spatially distributed polarization change data is provided and displayed. Advantageously, real-time processing and display of data is provided such that discussion and collaboration about the experiment may occur, time-resolved data is not lost, and resources are not wasted.
    Type: Grant
    Filed: December 29, 2005
    Date of Patent: April 14, 2009
    Assignee: Maven Technologies
    Inventors: William R. Rassman, David Ralin, Jason D. Berger, Robert A. Lieberman, Lothar U. Kempen
  • Patent number: 7496267
    Abstract: A photosensitive sol-gel film containing an organometallic photosensitizer is deposited on the oxide containing surface layer of a silicon substrate. A pattern of white or ultra violet light incident to the photosensitive sol-gel film results in the unbinding of the photosensitizer from the exposed regions of the sol-gel film. A subsequent succession of first and second heating steps results in, first, the removal of the photo sensitizer constituents from the exposed regions of the sol-gel film and, second, the removal of the organic constituents from the exposed regions, resulting in regions doped with a metal oxide with non linear optical properties, such as semicondutive, etc. properties. Optical switches, couplers, waveguides, splitters, interferometers wavelength division multiplexer, Bragg gratings and more can be fabricated. A glass substrate also may be employed, instead of a silicon, in which case a separate silicon oxide surface layer is unnecessary.
    Type: Grant
    Filed: October 16, 2007
    Date of Patent: February 24, 2009
    Inventors: Edgar A. Mendoza, Lothar U. Kempen, Robert A. Lieberman
  • Publication number: 20080204750
    Abstract: Image data is acquired, processed, and/or displayed in accordance with an embodiment of the present disclosure to display, monitor, and/or demonstrate the progress of an experiment substantially in real-time and with high sensitivity. In one embodiment, at least one time-resolved value of spatially distributed polarization change data is provided and displayed. Advantageously, real-time processing and display of data is provided such that discussion and collaboration about the experiment may occur, time-resolved data is not lost, and resources are not wasted.
    Type: Application
    Filed: May 8, 2008
    Publication date: August 28, 2008
    Applicant: MAVEN TECHNOLOGIES, INC.
    Inventors: William R Rassman, David Ralin, Jason D. Berger, Robert A. Lieberman, Lothar U. Kempen
  • Patent number: 7283717
    Abstract: A photosensitive sol-gel film containing an organometallic photosensitizer is deposited on the oxide containing surface layer of a silicon substrate. A pattern of white or ultra violet light incident to the photosensitive sol-gel film results in the unbinding of the photosensitizer from the exposed regions of the sol-gel film. A subsequent succession of first and second heating steps results in, first, the removal of the photo sensitizer constituents from the exposed regions of the sol-gel film and, second, the removal of the organic constituents from the exposed regions, resulting in regions doped with a metal oxide with non linear optical properties, such as semicondutive, etc. properties. Optical switches, couplers, waveguides, splitters, interferometers wavelength division multiplexer, Bragg gratings and more can be fabricated. A glass substrate also may be employed, instead of a silicon, in which case a separate silicon oxide surface layer is unnecessary.
    Type: Grant
    Filed: March 21, 2006
    Date of Patent: October 16, 2007
    Assignee: Optinetrics, Inc.
    Inventors: Edgar A. Mendoza, Lothar U. Kempen, Robert A. Lieberman
  • Patent number: 7260283
    Abstract: Distributed fiber optic chemical and physical sensors provide a relatively highly uniform response over the length of the fiber by, for example, varying such properties as the core/cladding index of refraction ratio to compensate for the non-linearity in sensitivity due for example to the loss of higher order modes in multi-mode fibers. The variation of the ratio changes the absorption coefficient of the fiber and can be used to compensate for any non-linearity in response. Other techniques for compensation also are disclosed.
    Type: Grant
    Filed: February 28, 2006
    Date of Patent: August 21, 2007
    Assignee: Optech Ventures, LLC
    Inventors: Robert A. Lieberman, Claudio O. Egalon
  • Patent number: 7193711
    Abstract: An imaging method and apparatus are provided, including a light source emitting a polarized light beam, and an optical assembly including a control layer and/or a light reflection surface. The control layer advantageously allows for control over the properties of a generated evanescent wave to optimize an image of a specimen array within the evanescent wave. The light reflection surface includes coupling means used to couple a receptor/capture agent advantageously allowing for flexible control over receptor specific regions.
    Type: Grant
    Filed: May 17, 2004
    Date of Patent: March 20, 2007
    Assignee: Maven Technologies, LLC
    Inventors: William Rassman, David Ralin, Robert A. Lieberman, Lothar U. Kempen, Herbert Shapiro
  • Patent number: 7126688
    Abstract: Methods and apparatus for scanning of a microarray to provide an image of the microarray are disclosed. Data related to change in polarization state of a scanning light beam for individual points or lines or other portion of the microarray are collected and processed to image the microarray at high resolution and speed.
    Type: Grant
    Filed: May 17, 2004
    Date of Patent: October 24, 2006
    Assignee: Maven Technologies, LLC
    Inventors: William Rassman, David Ralin, Robert A. Lieberman, Lothar U. Kempen, Herbert Shapiro
  • Patent number: 7016589
    Abstract: A photosensitive sol-gel film containing an organometallic photosensitizer is deposited on the oxide containing surface layer of a silicon substrate. A pattern of white or ultra violet light incident to the photosensitive sol-gel film results in the unbinding of the photosensitizer from the exposed regions of the sol-gel film. A subsequent succession of first and second heating steps results in, first, the removal of the photo sensitizer constituents from the exposed regions of the sol-gel film and, second, the removal of the organic constituents from the exposed regions, resulting in regions doped with a metal oxide with non linear optical properties, such as semicondutive, electro-optic, magneto-optic, etc. properties. Optical switches, couplers, waveguides, splitters, interferometers wavelength division multiplexer, Bragg gratings and more can be fabricated. A glass substrate also may be employed, instead of a silicon, in which case a separate silicon oxide surface layer is unnecessary.
    Type: Grant
    Filed: May 19, 2000
    Date of Patent: March 21, 2006
    Assignee: Optinetrics, Inc.
    Inventors: Edgar A. Mendoza, Lothar U. Kempen, Robert A. Lieberman
  • Patent number: 7006718
    Abstract: Distributed fiber optic chemical and physical sensors provide a relatively highly uniform response over the length of the fiber by, for example, varying such properties as the core/cladding index of refraction ratio to compensate for the non-linearity in sensitivity due to the loss of higher order modes in multi-mode fibers. The variation of the ratio changes the absorption coefficient of the fiber and can be used to compensate for any non-linearity in response. Other techniques for compensation also are disclosed.
    Type: Grant
    Filed: November 19, 2003
    Date of Patent: February 28, 2006
    Assignee: Intelligent Optical Systems, Inc.
    Inventors: Robert A. Lieberman, Claudio O. Egalon
  • Patent number: 7002686
    Abstract: Apparatus for acquiring an image of a specimen comprising a cassette having an optical portion holding a specimen array on a TIR surface and being removably matable to a processing portion having a polarized light beam source and a processing polarization-sensitive portion to image the spatially distributed charges in polarization of the specimen array. In one form the array optical portion comprises a transparent slide having a bottom surface with first and second gratings located to direct polarized light to the TIR surface and to direct light reflected by that (TIR) surface to an imager, respectively. The apparatus may include a flow cell integral with the optical portion as well as means for selecting the direction and wavelength of the polarized light.
    Type: Grant
    Filed: December 22, 2004
    Date of Patent: February 21, 2006
    Assignee: Maven Technologies LLC
    Inventors: Robert A. Lieberman, William Rassman, Lothar U. Kempen, David Ralin
  • Patent number: 6954142
    Abstract: A sensor system in which a sensor suite has a locally located field sensing unit (FSU) that converts and evaluates sensor information using sensor fusion algorithms and is thereby able to send qualitative low-bandwidth, low power usage signals to a remote command post.
    Type: Grant
    Filed: October 31, 2001
    Date of Patent: October 11, 2005
    Inventors: Robert A. Lieberman, Thomas C. Forrester
  • Patent number: 6882420
    Abstract: Apparatus for acquiring an image of a specimen comprising a cassette having an optical portion holding a specimen array on a TIR surface and being removably matable to a processing portion having a polarized light beam source and a processing polarization-sensitive portion to image the spatially distributed charges in polarization of the specimen array. In one form the array optical portion comprises a transparent slide having a bottom surface with first and second gratings located to direct polarized light to the TIR surface and to direct light reflected by that (TIR) surface to an imager, respectively. The apparatus may include a flow cell integral with the optical portion as well as means for selecting the direction and wavelength of the polarized light.
    Type: Grant
    Filed: May 7, 2004
    Date of Patent: April 19, 2005
    Assignee: Maven Technologies, LLC
    Inventors: William Rassman, David Ralin, Robert A. Lieberman, Lothar U. Kempen
  • Patent number: 6833920
    Abstract: Apparatus for acquiring an image of a specimen comprising a cassette having an optical portion holding a specimen array on a TIR surface and being removably matable to a processing portion having a polarized light beam source and a processing polarization-sensitive portion to image the spatially distributed charges in polarization of the specimen array. In one form the array optical portion comprises a transparent slide having a bottom surface with first and second gratings located to direct polarized light to the TIR surface and to direct light reflected by that (TIR) surface to an imager, respectively. The apparatus may include a flow cell integral with the optical portion as well as means for selecting the direction and wavelength of the polarized light.
    Type: Grant
    Filed: January 12, 2002
    Date of Patent: December 21, 2004
    Assignee: Maven Technologies LLC
    Inventors: William Rassman, David Ralin, Robert A. Lieberman, Lothar U. Kempen
  • Publication number: 20040207846
    Abstract: Apparatus for acquiring an image of a specimen comprising a cassette having an optical portion holding a specimen array on a TIR surface and being removably matable to a processing portion having a polarized light beam source and a processing polarization-sensitive portion to image the spatially distributed charges in polarization of the specimen array. In one form the array optical portion comprises a transparent slide having a bottom surface with first and second gratings located to direct polarized light to the TIR surface and to direct light reflected by that (TIR) surface to an imager, respectively. The apparatus may include a flow cell integral with the optical portion as well as means for selecting the direction and wavelength of the polarized light.
    Type: Application
    Filed: May 7, 2004
    Publication date: October 21, 2004
    Inventors: William Rassman, David Ralin, Robert A. Lieberman, Lothar U. Kempen
  • Patent number: 6802188
    Abstract: A partially modified photosensitive monolithic oxide glass apparatus formed through photolithographic imaging. The apparatus may be either a volume apparatus or a layer apparatus. Both types of apparatus may be used to diffuse light in predetermined directions or shapes. The monolithic oxide glass apparatus is capable of withstanding temperatures well beyond glass transition temperatures of plastic light shaping devices and can be formed in convex or concave surfaces through conventionally molding grinding or polishing techniques and can be coated by hot-coating techniques.
    Type: Grant
    Filed: July 28, 2000
    Date of Patent: October 12, 2004
    Assignee: Physical Optics Corporation
    Inventors: Robert A. Lieberman, Edgar A. Mendoza, David Mintzer
  • Patent number: 6714711
    Abstract: Methods and apparatus for producing an optical waveguide illuminator are disclosed. By controlling the propagation of light in the core and cladding regions of the waveguide, distributed light emission along a length of an optical fiber or along a planar waveguide surface can be achieved by varying the core/cladding refractive index ratio and introducing light scattering centers in the core.
    Type: Grant
    Filed: October 10, 2000
    Date of Patent: March 30, 2004
    Assignee: Optech Ventures, LLC
    Inventors: Robert A. Lieberman, Edgar A. Mendoza, Yevgeniy Durets
  • Patent number: 6667807
    Abstract: A surface plasmon resonance device includes a metal thin film, a dielectric thin film on an optical member and, in addition, an electro-optically active thin film either between the metal thin film and the dielectric thin film or between the optical member and the metal thin film. The electro-optically active thin film is subject to a voltage which is varied to tune the resonance condition of the device.
    Type: Grant
    Filed: March 30, 2001
    Date of Patent: December 23, 2003
    Assignee: Optech Ventures, LLC
    Inventor: Robert A. Lieberman
  • Patent number: 6650810
    Abstract: A tunable optical filter for simulating the waveband spectrums of selected substances. The filter includes an optical waveguide with a core material for transmitting light energy and a nominal core refractive index for the core material. Predetermined periodic variations are formed in the core material of the optical waveguide between the input and output ends that alter the core refractive index of the waveguide at the location of the periodic variations. Depending upon the periodic variations, the waveguide produces a predetermined reference waveband spectrum output that matches the waveband spectrum of a selected substance. A modulator is coupled to the waveguide to selectively modulate the periodic variations to intermittently shift the reference waveband spectrum output to fine tune the filter and reduce signal noise.
    Type: Grant
    Filed: August 15, 2000
    Date of Patent: November 18, 2003
    Assignee: Physical Optics Corporation
    Inventors: Robert A. Lieberman, John D Prohaska, Lothar U Kempen