1
Leonid B Glebov, Vasile Rotar, Vadim I Smirnov, Sarik Nersisyan, Nelson Tabirian: Optical beam steering and switching by optically controlled liquid crystal spatial light modulator with angular magnification by high efficiency PTR Bragg gratings. University of Central Florida Research Foundation, Brian S Steinberger, Phyllis K Wood, Law Offices of Brian S Steinberger P A, January 29, 2008: US07324286 (34 worldwide citation)

Non-mechanical optical beam steering and switching is produced by optically controlled liquid crystal spatial light modulator with angular magnification by high efficiency volume Bragg gratings recorded in a photosensitive PTR glass. Small angle beam deflection in a photoactive liquid crystal cell i ...


2
Thomas Vogeler, Theo Tschudi, Nelson Tabirian, Boris Zel dovich: Apparatus and method for measuring the power density of a laser beam with a liquid crystal. University of Central Florida, Brian S Law Offices of Brian S Steinberger Steinberger, April 15, 1997: US05621525 (10 worldwide citation)

Meters detect power parameter information about laser beams using liquid crystals to propagate the beam therethrough with photodiode detectors. The power parameters include intensity in watts per square meter, beam waist size, and the location of the focal spot based in light induced orientational p ...


3
Nelson Tabirian, Sarik Nersisyan: Laser beam multimeter. Beam Engineering for Advanced Measurements Co, January 13, 2004: US06678042 (10 worldwide citation)

The objective of the present invention is providing a method and a simple instrument that can be used on a routine basis to accurately and quickly measure the focus position, waist radius, divergence, quality, power and power density of a laser beam. The measurement is performed by scanning a thin f ...


4
Nelson Tabirian, Uladzimir Hrozhyk, Svetlana Serak: Universal optical filter holder. Beam Engineering for Advanced Measurements Co, April 27, 2004: US06728049 (8 worldwide citation)

The objective of the present invention is providing a mechanical holder that allows optical filters, wave plates, and substrates of different shapes, sizes, and thickness to be simply, conveniently, flexibly, and quickly mounted, fixed and interchanged. This is achieved using grooved plates combined ...


5
Nelson Tabirian, Rafael Vergara Toloza, Russell Spaulding: Contact lenses with embedded labels. Johnson & Johnson Vision Care, Carl J Evens, November 24, 2015: US09195072 (4 worldwide citation)

An ophthalmic lens incorporating clearly identifiable, highly visible embedded labels that are not visible to the wearer or others when placed on the eye may be utilized to allow an individual to easily distinguish between the normal state of the lens and the inverted state of the lens as well as se ...


6
Nelson Tabirian, Rafael Vergara Toloza, Russell Spaulding: Contact lenses with embedded labels. Johnson & Johnson Vision Care, Carl J Evens, April 5, 2016: US09304328 (1 worldwide citation)

An ophthalmic lens incorporating clearly identifiable, highly visible embedded labels that are not visible to the wearer or others when placed on the eye may be utilized to allow an individual to easily distinguish between the normal state of the lens and the inverted state of the lens as well as se ...


7
Nelson Tabirian: Line-scan laser beam profiler. February 25, 2003: US06526077 (1 worldwide citation)

Power density profile of a laser beam is characterized by scanning a thin thread across the beam and registering the intensity of radiation scattered from the thread. The diameter of the beam along the scan direction is determined by measuring the width of the signal received from the scattered powe ...


8
Nelson Tabirian, Sarik Nersisyan: Vector vortex waveplates. Beam Engineering for Advanced Measurements Co, Brian S Steinberger, Law Offices of Brian S Steinberger P A, October 23, 2018: US10107945

Method for fabrication of vector vortex waveplates of improved quality due to reduced singularity size and widened spectral band, the method comprising creating a boundary condition for vortex orientation pattern of a liquid crystal polymer on a substrate using materials with reversible photoalignme ...


9
Nelson Tabirian, Svetlana Serak, Diane Steeves, Brian Kimball: Waveplate lenses and methods for their fabrication. Beam Engineering for Advanced Measurements Co, The United States of America Represented by the Secretary of the Army, Brian S Steinberger, Law Offices of Brian S Steinberger P A, October 30, 2018: US10114239

The invention provides for lenses fabricated as planar thin film coatings with continuous structure. The lensing action is due to optical axis orientation modulation in the plane of the lens. The lenses of the current invention are fabricated using photoalignment of a liquid crystal polymer wherein ...


10
Nelson Tabirian, James Hunt: Method for camera detection and jamming. Beam Engineering for Advanced Measurements Co, Brian S Steinberger, Law Offices of Brian S Steinberger P A, September 11, 2018: US10075625

Method for jamming or affecting the quality of photo and video recording, the method comprising illuminating the area, collecting light reflected or scattered from optical components such as camera lenses, amplifying them, and reversing the amplified beams back to the camera with phase conjugating m ...