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Class Information
Number: 372/18
Name: Coherent light generators > Particular beam control device > Mode locking
Description: Subject matter wherein means is provided for applying to the laser resonator a time-varying perturbation at or near the frequency which corresponds to the average axial mode spacing of the laser, so as to establish a phase relationship between the oscillatory laser modes, resulting in a laser output in the form of a periodic pulse train whose repetition rate is equal to the frequency of the perturbation.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Patent Number Title Of Patent Date Issued
8681825 Grating external-cavity laser and quasi-synchronous tuning method thereof Mar. 25, 2014
8675695 Method for finding and tracking single-mode operation point of external cavity diode lasers Mar. 18, 2014
8625191 Wavelength-tunable light source apparatus Jan. 7, 2014
8605760 Feedback-enhanced self-injection locking of lasers to optical resonators Dec. 10, 2013
8599887 Stable mode-locked laser for high repetition rate operation Dec. 3, 2013
8594141 Femtosecond laser apparatus using laser diode optical pumping module Nov. 26, 2013
8582619 Methods, systems, and devices for timing control in electromagnetic radiation sources Nov. 12, 2013
8582613 Laser apparatus using anisotropic crystals Nov. 12, 2013
8571075 Frequency comb source with large comb spacing Oct. 29, 2013
8548014 Environmentally stable passively modelocked fiber laser pulse source Oct. 1, 2013
8537864 High power short pulse fiber laser Sep. 17, 2013
8526471 High contrast grating based saturable absorber for mode-locked lasers and its applications in passively mode-locked vertical-cavity surface-emitting lasers Sep. 3, 2013
8514898 Methods and apparatus for increasing wavelength tuning speed in broadband mode-locked ultrafast lasers Aug. 20, 2013
8503492 Mode-locked solid-state laser apparatus Aug. 6, 2013
8494014 Laser device Jul. 23, 2013
8494016 Mode locked laser system Jul. 23, 2013
8494024 Beam quality of the monoblock laser through use of a 1.5 micron external cavity partial reflector Jul. 23, 2013
8488639 Systems and methods having a frequency comb Jul. 16, 2013
8488636 Method for suppressing side modes in a tunable laser Jul. 16, 2013
8462822 Method of and photonic device for eliminating or substantially reducing sensitivity to polarization of an injected optical signal and method of manufacturing such photonic device Jun. 11, 2013
8456735 Pulsed laser sources Jun. 4, 2013
8442079 Mode-locked semiconductor laser device and driving method thereof May. 14, 2013
8442373 Laser based frequency standards and their applications May. 14, 2013
8416831 Laser light source Apr. 9, 2013
8416817 All-normal-dispersion femtosecond fiber laser Apr. 9, 2013
8391324 Intense optical high field generator in optical oscillator utilizing chirped pulse amplification Mar. 5, 2013
8384991 Saturable absorber using a fiber taper embedded in a nanostructure/polymer composite and lasers using the same Feb. 26, 2013
8379685 Surface emitting laser Feb. 19, 2013
8369366 Semiconductor laser excited solid-state laser device Feb. 5, 2013
8369374 Light source device Feb. 5, 2013
8340143 Passively mode-locked picosecond laser device Dec. 25, 2012
8331409 Locking of a laser to an optical interferometer that is stabilized to a reference frequency Dec. 11, 2012
8320417 Eye-safe Q-switched short pulse fiber laser Nov. 27, 2012
8315282 Fourier domain mode locking: method and apparatus for control and improved performance Nov. 20, 2012
8306074 Beam quality of the monoblock laser through use of a 1.5 micron external cavity partial reflector Nov. 6, 2012
8279900 Mode-locked two-micron fiber lasers Oct. 2, 2012
8254418 Method for finding and tracking single-mode operation point of external cavity diode lasers Aug. 28, 2012
8238388 Tunable laser device and a method for producing light of respective selectable wavelengths Aug. 7, 2012
8238387 Mode-locked laser device, ultrashort pulse light source device, broad bandwidth light source device, non-linear optical microscopy device, recording device and optical coherence tomography dev Aug. 7, 2012
8238386 Pulsed light source Aug. 7, 2012
8218586 Littman configured frequency stepped laser Jul. 10, 2012
8218587 Automated bandwidth / wavelength adjustment systems and methods for short pulse lasers and optical amplifiers Jul. 10, 2012
8218588 Compact efficient seeded MID-IR OPO OPA laser Jul. 10, 2012
8208196 Pulsed laser sources Jun. 26, 2012
8204089 Mode locked laser device Jun. 19, 2012
8199784 Laser light source and method of operating the same Jun. 12, 2012
8179929 Apparatus and method for side mode suppression in slave-master laser by single mode fiber amplifier May. 15, 2012
8170387 Laser based frequency standards and their applications May. 1, 2012
8165440 Laser based frequency standards and their applications Apr. 24, 2012
8144737 Adjustable pulsewidth picosecond fiber laser Mar. 27, 2012

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