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 (30 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
Nelson Tabirian, Sarik Nersisyan: Laser beam multimeter. Beam Engineering for Advanced Measurements Co, January 13, 2004: US06678042 (7 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 ...


3
Nelson Tabirian, Sarik Nersisyan: Laser beam multimeter. Beam Engineering for Advanced Measurement Co, Dr Nelson V Tabirian, November 6, 2003: US20030206288-A1

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, Sarik Nersisyan: Gaseous optical systems for high energy laser beam control and anti-laser defense. Beam Engineering for Advanced Measurement Co, Dr Nelson V Tabirian, April 29, 2004: US20040081218-A1

The objective of the present invention is providing a method and ultra light-weight instruments for controlling propagation of high energy laser beams. The control optical systems are based on gases and techniques for creating gas concentration and flow patterns that modulate the refractive index al ...


5
Nelson Tabirian, Sarik Nersisyan, Brian Kimball, Diane Steeves: Broadband optics for manipulating light beams and images. Beam Engineering for Advanced Measurement Co, August 4, 2011: US20110188120-A1

The objective of the present invention is providing optical systems for controlling with propagation of light beams in lateral and angular space, and through optical apertures. Said light beams include laser beams as well as beams with wide spectrum of wavelengths and large divergence angles. Said o ...