公开(公告)号：US11777272B2

公开(公告)日：2023-10-03

申请号：US17020913

申请日：2020-09-15

Applicant: Booz Allen Hamilton Inc.

Inventor： James A Davis

IPC: H01S3/10 ,  H01S3/067 ,  H01S3/13 ,  H01S3/00 ,  H01S3/223 ,  H01S3/225 ,  H01S3/0943 ,  H01S3/094 ,  G02F1/01 ,  G01N21/59 ,  G02B27/28

CPC classification number: H01S3/10 ,  H01S3/0085 ,  H01S3/06716 ,  H01S3/06754 ,  H01S3/1003 ,  H01S3/10015 ,  H01S3/1301 ,  H01S3/1305 ,  H01S3/1307 ,  G01N21/59 ,  G01N2201/06113 ,  G02B27/283 ,  G02F1/0136 ,  H01S3/0943 ,  H01S3/094003 ,  H01S3/223 ,  H01S3/225

Abstract: Systems and methods include a radiation source configured to generate a first waveform, a first separator configured to separate the first waveform into linearly polarized second and third waveforms, a first modulator configured to modulate at least one of a phase and a polarization of the second waveform to generate a fourth waveform, a second modulator configured to modulate at least one of a phase and a polarization of the third waveform to generate a fifth waveform, a first combiner configured to combine the fourth and fifth waveforms to generate a sixth waveform, an amplifier configured to amplify the sixth waveform to generate a seventh waveform, a second separator configured to separate the seventh waveform into a plurality of amplified waveforms, and beam directing optics configured to direct the plurality of amplified waveforms to form an output waveform at a target location.

公开(公告)号：US20180299745A1

公开(公告)日：2018-10-18

申请号：US16015887

申请日：2018-06-22

Applicant: Harris Corporation

Inventor： RANDALL K. MORSE ,  PETER A. WASILOUSKY ,  LEE M. BURBERRY ,  MICHAEL R. LANGE ,  CATHERYN D. LOGAN ,  CHRISTOPHER A. COREY

IPC: G02F1/33 ,  G02B27/10 ,  G06N99/00 ,  H01S3/10 ,  G02F1/11 ,  G10K11/02

CPC classification number: G02F1/33 ,  G02B27/1093 ,  G02F1/113 ,  G02F2002/008 ,  G06N10/00 ,  G10K11/02 ,  H01S3/005 ,  H01S3/0071 ,  H01S3/0085 ,  H01S3/10

Abstract: A system may include a laser source configured to generate a first laser light beam, an atom trap, and a multi-channel acousto-optic modulator (AOM). The multi-channel AOM may include a beamsplitter to split the first laser light beam into a plurality of second laser light beams for the atom trap, a common acousto-optic medium configured to receive the plurality of second laser light beams, and a respective plurality of electrodes coupled to the common acousto-optic medium for each of the second laser light beams. The system may also include a plurality of radio frequency (RF) drivers each configured to generate respective RF drive signals for each of the plurality of electrodes.

公开(公告)号：US10074957B2

公开(公告)日：2018-09-11

申请号：US15431111

申请日：2017-02-13

Applicant: NKT Photonics A/S

Inventor： John Redvers Clowes ,  Anatoly Borisovich Grudinin ,  Ian Michael Godfrey

IPC: H01S3/108 ,  H01S3/11 ,  G02B21/16 ,  G02F1/35 ,  H01S3/23 ,  H01S3/10 ,  H01S3/102 ,  G01N21/64 ,  G02F1/365

CPC classification number: H01S3/11 ,  G01N21/6458 ,  G01N2021/6419 ,  G01N2021/6441 ,  G01N2201/0697 ,  G02B21/16 ,  G02F1/353 ,  G02F1/365 ,  G02F2001/3528 ,  H01S3/10 ,  H01S3/10046 ,  H01S3/1024 ,  H01S3/108 ,  H01S3/2308

Abstract: A method of providing optical supercontinuum pulses can comprise generating optical pump pulses with an optical pump laser, the optical pump pulses having a pump pulse repetition rate; launching optical pump pulses into a nonlinear optical element comprising an optical fiber; generating optical supercontinuum pulses from the optical pump pules via spectral broadening within the optical fiber; selectively providing a plurality of different repetition rates for the optical pump pulses so as to generate optical supercontinuum pulses having different repetition rates; and providing nominally identical spectral broadening of the optical supercontinuum pules having the different repetition rates.

公开(公告)号：US10033150B2

公开(公告)日：2018-07-24

申请号：US15491153

申请日：2017-04-19

Applicant: FANUC CORPORATION

Inventor： Satoshi Kagiwada ,  Hiroshi Takigawa

IPC: H01S3/00 ,  H01S5/00 ,  H01S5/0683 ,  H01S5/22 ,  H01S3/10 ,  G09G1/00 ,  H01S5/40 ,  G09G3/02 ,  H04N9/31 ,  H01S5/042

CPC classification number: H01S5/0021 ,  G09G1/005 ,  G09G3/02 ,  G09G2360/14 ,  H01S3/0014 ,  H01S3/0941 ,  H01S3/10 ,  H01S5/042 ,  H01S5/0683 ,  H01S5/2201 ,  H01S5/4025 ,  H04N9/3194

Abstract: Even when a light source is driven under various conditions, an effective driving time is accurately calculated. A laser apparatus includes a light source, a power source which charges driving current to the light source, a control unit for controlling the power source, a first recording unit which calculates a life load rate of the light source and records the same in association with time, and a calculation unit which calculates, as an effective driving time, a time integration of the life load rate between a first time point, at which the laser apparatus is actually driven, and a second time point after the first time point, based on a recording result of the first recording unit.

公开(公告)号：US20180196288A1

公开(公告)日：2018-07-12

申请号：US15504927

申请日：2015-08-31

Applicant: Mitsubishi Electric Corporation

Inventor： Eisuke HARAGUCHI ,  Toshiyuki ANDO

IPC: G02F1/01

CPC classification number: G02F1/0121 ,  G02F1/01 ,  G02F2203/50 ,  H01S3/10

Abstract: An optical frequency control device includes a light source for emitting light, a sawtooth wave generator for generating a sawtooth wave, a frequency controller for controlling the frequency of the sawtooth wave, and an optical phase modulator driven by the sawtooth wave for carrying out phase modulation of the light.

公开(公告)号：US20180129114A1

公开(公告)日：2018-05-10

申请号：US15549366

申请日：2016-03-30

Applicant: SPECTRONIX CORPORATION

Inventor： Joji OKADA ,  Yosuke ORII ,  Shinichi MURAYAMA ,  Daisuke OKUYAMA

IPC: G02F1/35 ,  H01S3/11 ,  H01S3/23 ,  H01S3/00 ,  H01S3/067 ,  H01S3/117 ,  G02F1/355 ,  H01S3/106 ,  H01S3/13

CPC classification number: G02F1/353 ,  G02F1/3551 ,  G02F1/37 ,  G02F2001/354 ,  H01S3/0092 ,  H01S3/067 ,  H01S3/06754 ,  H01S3/0941 ,  H01S3/10 ,  H01S3/1068 ,  H01S3/11 ,  H01S3/117 ,  H01S3/1305 ,  H01S3/1618 ,  H01S3/23 ,  H01S3/2316 ,  H01S5/062 ,  H01S2301/02

Abstract: A laser light-source apparatus includes a control unit configured to perform control in such a manner that a seed light source is driven in a pulse oscillation mode of oscillating pulse light based on gain switching in an output permitted state where output of pulse light from the apparatus is permitted, and is driven in a continuous oscillation mode of oscillating continuous light in an output stopped state in which the output of the pulse light from the apparatus is stopped, with power of excitation light for a solid state amplifier maintained, and adjusts power of laser light input to the solid state amplifier from the seed light source in the continuous oscillation mode in such a manner that the solid state amplifier outputs light with substantially same average power in the output stopped state and in the output permitted state.

公开(公告)号：US20170310074A1

公开(公告)日：2017-10-26

申请号：US15491153

申请日：2017-04-19

Applicant: FANUC CORPORATION

Inventor： Satoshi Kagiwada ,  Hiroshi Takigawa

IPC: H01S5/00

CPC classification number: H01S5/0021 ,  G09G1/005 ,  G09G3/02 ,  G09G2360/14 ,  H01S3/0014 ,  H01S3/0941 ,  H01S3/10 ,  H01S5/042 ,  H01S5/0683 ,  H01S5/2201 ,  H01S5/4025 ,  H04N9/3194

Abstract: Even when a light source is driven under various conditions, an effective driving time is accurately calculated. A laser apparatus includes a light source, a power source which charges driving current to the light source, a control unit for controlling the power source, a first recording unit which calculates a life load rate of the light source and records the same in association with time, and a calculation unit which calculates, as an effective driving time, a time integration of the life load rate between a first time point, at which the laser apparatus is actually driven, and a second time point after the first time point, based on a recording result of the first recording unit.

公开(公告)号：US20170294757A1

公开(公告)日：2017-10-12

申请号：US15512728

申请日：2015-08-21

Applicant: Xieon Networks S.a.r.l.

Inventor： Lutz RAPP

IPC: H01S3/067 ,  H01S3/10 ,  H01S3/13 ,  H01S3/094

CPC classification number: H01S3/06758 ,  H01S3/067 ,  H01S3/06754 ,  H01S3/094011 ,  H01S3/094076 ,  H01S3/09415 ,  H01S3/10 ,  H01S3/10015 ,  H01S3/13 ,  H01S3/1301 ,  H01S3/1608 ,  H04B10/296

Abstract: Disclosed is a method of Controlling a gain of an optical amplifier comprising a gain medium and at least one pumping device. The method comprises the following steps: determining or predicting a change of input signal power to the amplifier, changing the pump power from an initial pump power level to a new pump power level at a first time instant, the initial pump power level being the pump power level applied to the amplifier prior to the change in input signal power, setting the pump power to a second pump power level at a second time instant, wherein the pump power level is varied in an oscillatory manner for at least one period of time starting at a third time instant and ending at a fourth time instant, wherein said third time instant is identical with or later than said first time instant and said fourth time instant is identical with or earlier than said second time instant.

公开(公告)号：US20170171520A9

公开(公告)日：2017-06-15

申请号：US14853686

申请日：2015-09-14

Applicant: Sony Corporation

Inventor： Motoi Kimura

IPC: H04N9/31 ,  G02B26/10 ,  H01S3/10

CPC classification number: H04N9/3182 ,  G02B26/101 ,  H01S3/10 ,  H01S5/0071 ,  H01S5/0428 ,  H04N9/3135 ,  H04N9/3161 ,  H04N9/3164 ,  H04N9/3194

Abstract: A generation unit generates adjustment information to adjust a first clock indicating a timing of illumination of a laser beam to scan on a screen, based on a scanning position to be scanned by the laser beam.On the basis of the adjustment information, adjustment unit adjusts the first clock to a second clock different from the first clock. Then, in synchronization with the second clock, the laser beam is allowed to illuminate as a pixel. This may be applicable to a projection apparatus for projecting an image on the screen, for example.

公开(公告)号：US09627850B2

公开(公告)日：2017-04-18

申请号：US15050993

申请日：2016-02-23

Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCY

Inventor： Susumu Noda ,  Tsuyoshi Okino ,  Kyoko Kitamura ,  Yoshinori Tanaka ,  Yong Liang ,  Daiki Yasuda

IPC: H01S5/00 ,  H01S5/042 ,  H01S3/00 ,  H01S3/10 ,  H01S5/10 ,  H01S5/187 ,  H01S5/18 ,  H01S5/343

CPC classification number: H01S5/0425 ,  H01S3/0085 ,  H01S3/10 ,  H01S5/0071 ,  H01S5/105 ,  H01S5/18 ,  H01S5/187 ,  H01S5/34313 ,  H01S2301/18

Abstract: A two-dimensional photonic crystal surface emitting laser has a laminated structure including: a two-dimensional photonic crystal (2DPC) layer in which refractive index distribution is formed by two-dimensionally arranging air holes in a plate-shaped base member; and an active layer for generating light with wavelength λL by receiving an injection of electric current. The two-dimensional photonic crystal surface emitting laser emits a laser beam in the direction of an inclination angle θ from normal to the 2DPC layer.