1
Robert J Freiberg: Method of laser surgery using multiple wavelengths. Premier Laser Systems, Knobbe Martens Olson & Bear, July 30, 1996: US05540676 (135 worldwide citation)

A medical system for transmitting and delivering to a tissue site multiwavelength therapeutic radiant energy along a common optical pathway. Also included is a laser catheter suitable for engaging multiple sources of laser energy and transmitting multiwavelength therapeutic laser energy along a comm ...


2
Robert J Freiberg: Multiwavelength medical laser method. Premier Laser Systems, Knobbe Martens Olson & Bear, August 18, 1992: US05139494 (116 worldwide citation)

A medical system for transmitting and delivering to a tissue site multiwavelength therapeutic radiant energy along a common optical pathway. Also included is a laser catheter suitable for engaging multiple sources of laser energy and transmitting multiwavelength therapeutic laser energy along a comm ...


3
Robert J Freiberg: Multiwavelength medical laser method. Premier Laser Systems, Knobbe Martens Olson & Bear, April 19, 1994: US05304167 (78 worldwide citation)

A medical system for transmitting and delivering to a tissue site multiwavelength therapeutic radiant energy along a common optical pathway. Also included is a laser catheter suitable for engaging multiple sources of laser energy and transmitting multiwavelength therapeutic laser energy along a comm ...


4
Robert J Freiberg: High-extraction efficiency annular resonator. TRW, Noel F Heal, Thomas N Giaccherini, May 10, 1988: US04744090 (62 worldwide citation)

A standing-wave annular laser resonator providing high energy extraction efficiency and good beam quality without the need for polarization coatings. The resonator includes an axicon, a scraper mirror, and a rear mirror system. A critical feature of the configuration is that the axicon has an inner ...


5
Colette Cozean, Robert J Freiberg, HeeJung Koh Wescoat: Corneal sculpting using laser energy. Premier Laser Systems, Knobbe Martens Olson & Bear, April 21, 1998: US05741245 (42 worldwide citation)

A corneal sculpting system utilized for performing surgery to reshape the cornea of the eye. The system includes a laser delivery system that is coupled to a filter positioning system and a corneal topography system. The filter positioning system suspends a sculpting filter above the surface of the ...


6
Varouj D Amirkhanian, Colette Cozean, Robert J Freiberg: Medical laser apparatus for delivering high power infrared light. Premier Laser Systems, Knobbe Martens Olson & Bear, September 20, 1994: US05349590 (26 worldwide citation)

A medical laser apparatus which comprises a medical laser and a waveguide is used to deliver infrared energy to a treatment site. The medical laser preferably delivers electromagnetic radiation at a wavelength of about 3.0 microns such as an Er:YAG laser (wavelength of 2.94 microns). The waveguide c ...


7
Erick P Schumacher, Robert J Freiberg, Larry D Hatch, Kevin D Quitt, Koashin Wu: Visual system for, and method of, displaying graphics and alphanumeric information. Industrial Electronic Engineers, Ellsworth R Roston, Fulwider Patton et al, April 10, 2001: US06213394 (22 worldwide citation)

A visual (e.g. liquid crystal) screen displays a sequence of graphics presentations and a specific event. The graphics sequence (e.g. visual representations of products in a market) has a display priority except when the specific event occurs. The specific event may be in graphics or alphanumeric fo ...


8
Peter P Chenausky, Robert J Freiberg: Enhanced radiation coupling from unstable laser resonators. United Technologies Corporation, Anthony J Criso, July 13, 1976: US03969685 (21 worldwide citation)

Method and apparatus for providing a large fraction of the energy coupling from an unstable resonator in the central lobe of the far field pattern of the output beam from the resonator are disclosed. The resonator is designed to allow a low order mode pattern to resonate about the optical axis there ...


9
Robert J Freiberg, Colette Cozean: High repetition rate mid-infrared laser. Premier Laser Systems, Knobbe Martens Olson & Bear, June 6, 1995: US05422899 (21 worldwide citation)

An optically pumped mid-infrared solid-state laser with high pulse repetition rate is described for use in laser surgery. The laser produces a wavelength between 1.7 and 4.0 microns, and is optically pumped. The rise and fall times of the pump pulses are sufficiently short to avoid thermal lensing i ...


10
Robert J Freiberg: Compound unstable resonator. United Technologies Corporation, Anthony J Criso, May 24, 1977: US04025172 (20 worldwide citation)

A modification to the reflective surfaces in unstable resonator assemblies to improve the operating characteristics of such devices and enhance the quality in the far field of the output beam from such resonators is disclosed. Some modifications include the elimination of abrupt discontinuities in t ...