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| Number | Title | Issue Date |
| 8064131 | Device for amplifying high-energy ultrashort light pulses A device for amplifying high-energy ultrashort light pulses, includes a generator (1), a first amplifying/time-stretching element (2) including a time-stretching element (3), a regenerative amplifier (4), a multipass amplifier (5) ... | 11/22/2011 |
| 7982947 | Regenerative laser amplifier A laser amplifier system is presented including a pump regenerative amplifier. The amplifier generally has a cavity defined by a pair of end cavity mirrors between which an amplified pump pulse oscillates. The amplifier also includes an interaction cell with a tunab... | 07/19/2011 |
| 7929203 | Utilization of Yb: and Nd: mode-locked oscillators in solid-state short pulse laser systems An optimized Yb: doped fiber mode-locked oscillator and fiber amplifier system for seeding Nd: or Yb: doped regenerative amplifiers. The pulses are generated in the Yb: or Nd: doped fiber mode-locked oscillator, and may undergo spectral narrowing or broadening, wave... | 04/19/2011 |
| 7692854 | Repetitively pulsed laser and amplifier with dual resonator for pulse-energy management A regenerative amplifier includes a gain-medium that is optically pumped by CW radiation. The amplifier has primary resonator for amplifying pulses. The primary resonator has an optical switch for opening and closing the primary resonator. The amplifier has a second... | 04/06/2010 |
| 7394591 | Utilization of Yb: and Nd: mode-locked oscillators in solid-state short pulse laser systems An optimized Yb: doped fiber mode-locked oscillator and fiber amplifier system for seeding Nd: or Yb: doped regenerative amplifiers. The pulses are generated in the Yb: or Nd: doped fiber mode-locked oscillator, and may undergo spectral narrowing or broadening, wave... | 07/01/2008 |
| 7291805 | Target isolation system, high power laser and laser peening method and system using same A system for applying a laser beam to work pieces, includes a laser system producing a high power output beam. Target delivery optics are arranged to deliver the output beam to a target work piece. A relay telescope having a telescope focal point is placed in the be... | 11/06/2007 |
| 7218443 | Generation of tunable light pulses A device for generating tunable light pulses has a non-linear optical fiber. The optical spectrum of femtosecond light pulses can be modified by this optical fiber, taking advantage of solitonic effects. In order to make available such a device, which makes it possi... | 05/15/2007 |
| 7209500 | Stimulated Brillouin scattering mirror system, high power laser and laser peening method and system using same A laser system, such as a master oscillator/power amplifier system, comprises a gain medium and a stimulated Brillouin scattering SBS mirror system. The SBS mirror system includes an in situ filtered SBS medium that comprises a compound having a small negative non-l... | 04/24/2007 |
| 7110171 | Relay telescope including baffle, and high power laser amplifier utilizing the same A laser system includes an optical path having an intracavity relay telescope with a telescope focal point for imaging an output of the gain medium between an image location at or near the gain medium and an image location at or near an output coupler for the laser ... | 09/19/2006 |
| 7110174 | Relay telescope for high power laser alignment system A laser system includes an optical path having an intracavity relay telescope with a telescope focal point for imaging an output of the gain medium between an image location at or near the gain medium and an image location at or near an output coupler for the laser ... | 09/19/2006 |
| 7095772 | Extreme chirped/stretched pulsed amplification and laser Methods, devices and systems for generating ultrashort optical linear chirped pulses with very high power by amplifying the pulses so that their temporal duration is longer than the storage time of the amplifying medium. The additional gain factor is related to the ... | 08/22/2006 |
| 7072101 | Downchirped pulse amplification An ultrashort pulse amplifier produces high-power ultrafast laser pulses. Pulses first have net negative (i.e. blue to red) chirp applied, and are then amplified in a laser amplifier. After amplification, the pulses are compressed using propagation through a block o... | 07/04/2006 |
| 7046360 | Image pickup device In an imaging apparatus, a detection section 9 detects a beam LF having passed through an aperture 5 in a first direction and a location designation beam LB having passed through the aperture 5 in the opposite direction is ... | 05/16/2006 |
| 7016107 | Low-gain regenerative amplifier system A regenerative amplifier system that is optimized for low-gain gain media is provided. The system is configured to include a minimum number of intra-cavity elements while still eliminating the leakage of the seed pulses from the output beam. In addition, the contras... | 03/21/2006 |
| 7006283 | Three-dimensional optical amplifier structure The present invention relates to a multi-pass three-dimensional amplifier structure in which a beam of light traverses an amplifier medium multiple times via distinct multiple paths. The distribution of the multiple paths being such that the volume occupied by the m... | 02/28/2006 |
| 6999165 | Method and apparatus for radiation analysis and encoder Method and apparatus for analyzing radiation using analyzers and encoders employing the spatial modulation of radiation dispersed by wavelength or imaged along a line. ... | 02/14/2006 |
| 6920253 | Optical modulator based on a microdisk resonator A modulator having a waveguide and a microdisk resonator is disclosed. The waveguide has an input port for receiving a light signal of wavelength λ and an output port for transmitting modulated light. The microdisk resonator has a resonance at λ and is coupled to ... | 07/19/2005 |
| 6882469 | Regenerative optical amplifier The invention offers a regenerative optical amplifier enabling voltage to be easily applied to polarizing elements such as Pockels cells, without the need for complicated drive circuitry. An input beam of S-polarized light is reflected by a polarizer 1 and ad... | 04/19/2005 |
| 6778730 | Optical signal processing device Disclosed herein is an optical signal processing device which can give stable temporal order to the modulation-phases of a plurality of optical signals. The optical signal processing device includes an optical demultiplexer and an optical multiplexer for adaptation ... | 08/17/2004 |
| 6728273 | Ultrashort-pulse laser machining system employing a parametric amplifier A method and apparatus are provided for increasing the energy of chirped laser pulses to an output in the range 0.001 to over 10 millijoules at a repetition rate 0.010 to 100 kHz by using a two stage optical parametric amplifier utilizing a bulk nonlinear crystal wh... | 04/27/2004 |
| 6603600 | Chirped pulse amplification method and apparatus A method of delivering a seed-pulse to a regenerative amplifier includes generating an ultrashort optical pulse. The ultrashort optical pulse is delivered to a single-mode optical fiber configured to generate a continuum. A portion of the continuum genera... | 08/05/2003 |
| 6587606 | Waveguide fiber dispersion compensating regenerator Disclosed is a dispersion compensating optical regenerator that provides for enhanced performance of telecommunication systems employing varying-soliton signal propagation and dispersion compensation. Allowing the solitons to change in amplitude, width an... | 07/01/2003 |
| 6396607 | Multi-wavelength all-optical regenerators (MARS) In an optical regenerator for use in an optical transmission system, an optical input signal to the regenerator comprising N wavelength division multiplexed channel signals is received in a signal synchronizing arrangement which synchronizes the phase of ... | 05/28/2002 |
| 6344913 | Optical clock division A clock signal at a divided clock rate is obtained from an optical signal stream at a higher clock rate. The optical signal stream at the higher clock rate is applied to an all-optical non- linear gate. There is feedback from the first output of the gate ... | 02/05/2002 |
| 6317239 | Optical repeaters for single- and multi-wavelength operation with dispersion equalization An optical repeater is described which integrates an erbium doped optical fiber amplifier (EDFA) with a dispersion equalizer (DE) based on fiber gratings. The dispersion equalizer is based on parallel connection of a plurality of fiber gratings, or on par... | 11/13/2001 |
| 6222669 | Optical partial regeneration of solitons A partial optical regenerator for use in high bit-rate optical systems and useful in WDM applications employing soliton transmission. The regenerator essentially comprises a saturable optical element in a main optical path and a resonant optical circuit c... | 04/24/2001 |
| 6122097 | System and method for amplifying an optical pulse using a diode-pumped, Q-switched, extracavity frequency-doubled laser to pump an optical amplifier An efficient, powerful and reliable system for amplifying optical pulses. Seed-pulses are generated by a seed-pulse source and are transmitted to an optical amplifier for amplification. The power for the amplification is provided by a Q-switched, diode-pu... | 09/19/2000 |
| 6078416 | Optical regenerative repeater An input optical data pulse 120 encoded by pulse amplitude modulation is branched into two parts by an optical coupler 111, and one part is input to an optical clock generation device, such as mode-locked laser diode (MLLD) 113 and the other part is input... | 06/20/2000 |
| 5963363 | System and method for amplifying an optical pulse and pumping laser therefor An efficient, powerful and reliable system for amplifying optical pulses. Seed-pulses are generated by a seed-pulse source and are transmitted to an optical amplifier for amplification. The power for the amplification is provided by a Q-switched, diode-pu... | 10/05/1999 |
| 5917635 | Optical repeaters for single-and multi-wavelength operation with dispersion equalization An optical repeater is described which integrates an erbium doped optical fiber amplifier (EDFA) with a dispersion equalizer (DE) based on fiber gratings. The dispersion equalizer is based on parallel connection of two fiber gratings for single carrier wa... | 06/29/1999 |
| 5790303 | System for amplifying an optical pulse using a diode-pumped, Q-switched, intracavity-doubled laser to pump an optical amplifier An efficient, powerful and reliable system for amplifying optical pulses. Seed-pulses are generated by a seed-pulse source and are transmitted to an optical amplifier for amplification. The power for the amplification is provided by a Q-switched, diode-pu... | 08/04/1998 |
| 5644424 | Laser amplifier and method Laser amplifiers and methods for amplifying a laser beam are disclosed. A representative embodiment of the amplifier comprises first and second curved mirrors, a gain medium, a third mirror, and a mask. The gain medium is situated between the first and se... | 07/01/1997 |
| 5592327 | Regenerative amplifier incorporating a spectral filter within the resonant cavity A regenerative amplifier includes a resonant cavity having a gain medium and a spectral filter located in the cavity. A source is provided to pump the gain medium and thereby raise it to an excited state. Elements are also provided for creating laser seed... | 01/07/1997 |
| 5589975 | Optical amplification system An optical amplification system capable of operating without being affected by the waveform of the incoming optical signal is provided for amplifying the optical signal in its optical waveguide by the effect of stimulated emission of a fluorescent substan... | 12/31/1996 |
| 5572358 | Regenerative amplifier incorporating a spectral filter within the resonant cavity A regenerative amplifier includes a resonant cavity having a gain medium and a spectral filter located in the cavity. A source is provided to pump the gain medium and thereby-raise it to an excited state. Elements are also provided for creating laser seed... | 11/05/1996 |
| 5500762 | Light frequency control apparatus The present invention provides light frequency control apparatus comprising a light pulse signal generating mechanism for converting continuous light into a light pulse signal, and outputting this light pulse signal; a light signal generating mechanism fo... | 03/19/1996 |
| 5386431 | Regenerative amplifier laser array A slab laser amplifier array includes a plurality of parallel, stacked, laser resonators, with each resonator having a walk-off mode of propagation of laser light from an input side of the resonator to an output side of the resonator where the exiting lig... | 01/31/1995 |
| 5285310 | High power regenerative laser amplifier A regenerative amplifier design capable of operating at high energy per pulse, for instance, from 20-100 Joules, at moderate repetition rates, for instance from 5-20 Hertz is provided. The laser amplifier comprises a gain medium and source of pump energy ... | 02/08/1994 |
| 5239408 | High power, high beam quality regenerative amplifier A regenerative laser amplifier system generates high peak power and high energy per pulse output beams enabling generation of X-rays used in X-ray lithography for manufacturing integrated circuits. The laser amplifier includes a ring shaped optical path w... | 08/24/1993 |
| 5239607 | Optical fiber amplifier with flattened gain An apparatus and method for flattening the gain of an optical fiber amplifier (18) doped with an ion such as erbium and which is pumped by a pump laser (20). Optical couplers (32, 34) inserted before and after the fiber amplifier couple the main optical p... | 08/24/1993 |
