Class / Patent application number | Description | Number of patent applications / Date published |
359329000 | Third harmonic | 14 |
20100142032 | FLUOROBERYLLIUM BORATE NON-LINEAR OPTICAL CRYSTALS AND THEIR GROWTH AND APPLICATIONS - A beryllium borate fluoride salt nonlinear optical crystal is represented by molecule formula Mbe | 06-10-2010 |
20110069376 | FIBER MOPA WITH AMPLIFYING TRANSPORT FIBER - Frequency-multiplied fiber-MOPA apparatus includes one enclosure containing a master oscillator and fiber amplifier stages and another enclosure containing frequency-multiplying stages. Radiation is transmitted between the enclosures by a transport fiber in a flexible jacket or enclosure. The transport fiber functions additionally as a power amplifier fiber, and amplifies the radiation while transporting the radiation between the enclosures. The amplifying transport fiber is energized by diode-lasers in the enclosure containing the master oscillator and fiber amplifiers. | 03-24-2011 |
20110181942 | NONLINEAR HARMONIC GENERATION AND DEVICES IN DOUBLY-RESONANT KERR CAVITIES - A nonlinear harmonic generation system is provided. The nonlinear harmonic generation system includes a waveguide channel receives and propagates electromagnetic signals. A resonant cavity is coupled to the waveguide channel. The resonant cavity structure includes a plurality of resonant modes into which electromagnetic energy is coupled during the operation of the system. One of the resonant modes includes a resonant frequency that changes during operation of the system to reach either an input-signal frequency or a harmonic frequency for a majority of the time in which harmonic generation is occurring. Both reflected and harmonic fields are emitted back into the waveguide channel so as to allow efficient harmonic generation at a specified critical input power. | 07-28-2011 |
20120033292 | USE OF UNDOPED CRYSTALS OF THE YTTRIUM/ALUMINUM/BORATE FAMILY FOR CREATING NON-LINEAR EFFECTS - Crystals of the yttrium/aluminium/borate family are used for producing blue or UV light. To produce blue or UV light with the described crystal family a crystal of the family A | 02-09-2012 |
20120176666 | LASER APPARATUS AND METHOD TO GENERATE UV LASER LIGHT - This invention relates generally to laser systems that produce UV light and their methods of use. The phase matching of the conversion process has a broad temperature bandwidth so that precise temperature stabilization is not necessary to obtain a stable efficiency and a non-deformed laser beam with fast power modulation at high energies. | 07-12-2012 |
20120188630 | POTASSIUM CHLOROBORATE NONLINEAR OPTICAL CRYSTAL, PREPARATION METHOD AND USE THEREOF - The present invention relates to a potassium chloroborate nonlinear optical crystal, a preparation method and a use thereof. The crystal has a chemical formula of K | 07-26-2012 |
20120300287 | FREQUENCY-TRIPLED FIBER MOPA - Fundamental-wavelength pulses from a fiber a laser are divided into three or more pulse portions and the three or more portions are separately amplified. Two or more of the amplified fundamental-wavelength pulse-portions are combined and frequency-doubled. The frequency doubled portion is sum-frequency mixed with one or more of the other amplified fundamental wavelength pulse-portions to provide third-harmonic radiation pulses. | 11-29-2012 |
20130135711 | METHOD AND APPARATUS FOR PULSED HARMONIC ULTRAVIOLET LASERS - An apparatus for producing coherent, pulsed ultraviolet light with pulse durations that range between 1 ps and 1 μs includes one or more source lasers in the visible or near-infrared frequency range. The apparatus also includes one or more FC stages, at least one of the one or more FC stages including a nonlinear FC device and one or more optical elements. The optical elements include a reflector, a focusing element, a polarization-controlling optic, a wavelength separator, or a fiber optic component. The FC device includes a huntite-type aluminum double borate nonlinear optical material configured to produce FC light having a wavelength between 190 and 350 nm and a composition given by RAl | 05-30-2013 |
20130188242 | METHOD OF SUM-FREQUENCY CONVERSION AND FREQUENCY CONVERTER WITH OPTICAL ACTIVE ROTATOR - A method for sum-frequency conversion of coherent radiation includes generating two linearly polarized waves which collinearly propagate in respective first and second non-coinciding planes at different first and second frequencies f | 07-25-2013 |
20140285873 | Laser Illumination Systems and Methods for Dual-Excitation Wavelength Non-Linear Optical Microscopy and Micro-Spectroscopy Systems - An illumination system is disclosed for providing dual-excitation wavelength illumination for non-linear optical microscopy and micro-spectroscopy. The illumination system includes a laser system, an optical splitting means, a frequency shifting system, and a picosecond amplifier system. The laser system includes a laser for providing a first train of pulses at a center optical frequency ω | 09-25-2014 |
20150338719 | CASCADED OPTICAL HARMONIC GENERATION - Cascaded optical harmonic generators and methods for cascaded optical harmonic generation are disclosed. Relative disposition of individual harmonic generators of a cascaded harmonic generator in an optical path of the fundamental optical beam may be reversed. In a third harmonic generator, the fundamental optical beam may enter the third harmonic crystal first, and the second harmonic crystal second. When the fundamental optical beam enters the third harmonic crystal first, the fundamental light may remain non-depleted by second harmonic generation process. | 11-26-2015 |
20160072247 | DEVICE FOR FREQUENCY CONVERSION OF A LASER BEAM GENERATED WITH A FIRST FREQUENCY BY A LASER BEAM SOURCE - A device for frequency conversion of a first laser beam generated with a first frequency. The device has a first crystal for generating a second laser beam having a second frequency, which differs from the first frequency. The second laser beam propagates parallel to the first laser beam after leaving the first crystal. A second crystal, which generates from the first and second laser beams a third laser beam having a different third frequency. An optical deflection device influences the relative beam position between first and second laser beams such that the first and second laser beams, before entering into the second crystal, propagate at an angle with respect to one another, which angle differs from zero, and enter in a manner spaced apart from one another at an entrance surface of the second crystal and intersect within the second crystal with at the same time collinear phase matching. | 03-10-2016 |
20160131960 | METHOD FOR GENERATING ULTRASHORT FEMTOSECOND PULSES IN OPTICAL PARAMETRIC OSCILLATOR PUMPED BY LONG PULSES - A method for generating ultrashort femtosecond pulses in the optical parametric oscillator pumped by long pulses, comprising governing dispersion and nonlinearity in the optical parametric oscillator, forming linearly-chirped long pulses with broad bandwidth in the optical parametric oscillator, compressing the linearly-chirped long pulses to femtosecond pulses by a second-order dispersion outside the optical parametric oscillator cavity. The ultrashort femtosecond pulse is generated in the OPO with long pulse pumping. | 05-12-2016 |
20160377956 | NANOCOMPOSITE HIGH ORDER NONLINEAR OPTICAL-ELEMENT - A nonlinear nanocomposite optical-element comprising a nanocomposite comprising one or more optically nonlinear (NLO) nanofillers dispersed in a cured organic-matrix. The NLO nanofillers have a high χ | 12-29-2016 |