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1. 发明授权

US11129677B2 Light based tissue treatment device 有权
公开(公告)号：US11129677B2
公开(公告)日：2021-09-28
申请号：US16468455
申请日：2017-12-05
申请人： KONINKLIJKE PHILIPS N.V.
发明人： Rieko Verhagen , Babu Varghese
IPC分类号： A61B18/24 , A61B18/20 , H01S5/02251 , H01S5/50 , H01S5/02255 , H01S5/02253 , H01S3/02 , H01S3/113 , H01S3/094 , H01S3/23
摘要： A light based treatment device comprises an optical arrangement at a light exit end of an optical fiber. The optical arrangement includes a master oscillator power amplifier based on a semiconductor optical laser and a crystal optical amplifier. In this way, the peak power provided along the optical fiber can be reduced to prevent damage to the optical fiber, while enabling a sufficiently high pulse power to be delivered for tissue treatment.

2. 发明授权

US10811835B2 Laser system enabled by additive manufacturing 有权
公开(公告)号：US10811835B2
公开(公告)日：2020-10-20
申请号：US15897490
申请日：2018-02-15
申请人： University of Pittsburgh—Of the Commonwealth System of Higher Education
发明人： Peng Kevin Chen , Shuo Li , Albert Chi Fu To
IPC分类号： H01S3/02 , H01S3/06 , H01S3/042 , B33Y10/00 , H01S3/04 , H01S3/11 , B33Y80/00 , B22F3/105 , B22F5/10 , G02B7/00 , H01S3/16 , H01S3/094 , G02B7/182 , H01S5/183 , H01S3/113
摘要： A laser frame for holding a plurality of optical components includes a first flexure structure for adjustably holding a first one of the optical components, and a first cellular structure for supporting and cooling a second one of the optical components. The first flexure structure and the first cellular structure are each a unitary structure formed by additive manufacturing. Also, a laser frame for holding an optical component includes a passive cooling cellular structure for supporting and cooling the optical component. The passive cooling cellular structure has a non-uniform density, and the laser frame is a unitary structure formed by additive manufacturing.

3. 发明申请

US20200076152A1 LIDAR SYSTEM OPERATING AT 1200-1400 NM 审中-公开
公开(公告)号：US20200076152A1
公开(公告)日：2020-03-05
申请号：US16555304
申请日：2019-08-29
申请人： Luminar Technologies, Inc.
发明人： Jason M. Eichenholz , Laurance S. Lingvay , David Welford
IPC分类号： H01S3/0941 , G01S7/481 , H01S3/16 , H01S3/11 , G01S7/484 , G01S17/10 , H01S3/113 , H01S3/094 , H01S3/091 , H01S5/068 , H01S5/125 , H01S5/024 , G01S17/88 , G01S17/32 , G02B26/10 , G02B26/08 , G02B26/12 , G02B5/20
摘要： In one embodiment, a lidar system includes a light source configured to emit light at one or more wavelengths between 1200 nm and 1400 nm. The lidar system also includes a scanner configured to scan the emitted light across a field of regard of the lidar system and a receiver configured to detect a portion of the emitted light scattered by a target located a distance from the lidar system. The lidar system further includes a processor configured to determine the distance from the lidar system to the target based at least in part on a round-trip time for the portion of the emitted light to travel from the lidar system to the target and back to the lidar system.

4. 发明授权

US10439353B2 Laser apparatus 有权
公开(公告)号：US10439353B2
公开(公告)日：2019-10-08
申请号：US15558980
申请日：2016-03-17
申请人： LUTRONIC CORPORATION
发明人： Hee Chul Lee
IPC分类号： H01S3/10 , H01S3/08 , H01S3/11 , H01S3/13 , H01S3/06 , H01S3/16 , A61B18/22 , H01S3/113 , H01S3/092 , A61N5/06 , A61N5/067 , A61N5/073 , A61B18/20
摘要： A laser apparatus according to the present invention may comprise: a plurality of reflection mirrors which form a resonance path so as for light to be amplified by an induced emission; a medium having a first surface which forms a vertical surface with respect to the resonance path, and a second interface which does not form a vertical surface with respect to the resonance path, and absorbs energy from a light source and amplifies and emits the light; and a saturable absorber having a second surface which forms a vertical surface with respect to the resonance path, and a second interface which does not form a vertical surface with respect to the resonance path, and generates ultrashort pulses. The laser apparatus according to the present invention has the effects of cutting a saturable absorber having a specific crystallographic axis to thereby make polarization capacity in one direction advantageous and minimize propagation loss. In addition, the laser apparatus according to the present invention has the effect of maximizing transmittivity maintenance capacity of polarization orientation in one direction by arranging a medium and a saturable medium so as to have a specific inclined plane.

5. 发明授权

US10418776B2 Solid-state laser for lidar system 有权
公开(公告)号：US10418776B2
公开(公告)日：2019-09-17
申请号：US15901838
申请日：2018-02-21
申请人： LUMINAR TECHNOLOGIES, INC.
发明人： David Welford , Martin A. Jaspan , Jason M. Eichenholz , Scott R. Campbell , Lane A. Martin , Matthew D. Weed
IPC分类号： G01S17/88 , H01S3/11 , G01S17/42 , G01S7/484 , H01S3/06 , H01S3/113 , H01S3/094 , G01S17/10 , H01S3/30 , G01S7/481 , H01S3/102 , H01S3/0941 , H01S3/08 , H01S3/16 , H01S3/00
摘要： A lidar system can include a solid-state laser to emit pulses of light. The solid-state laser can include a Q-switched laser having a gain medium and a Q-switch. The lidar system can also include a scanner configured to scan the emitted pulses of light across a field of regard and a receiver configured to detect at least a portion of the scanned pulses of light scattered by a target located a distance from the lidar system. The lidar system can also include a processor configured to determine the distance from the lidar system to the target based at least in part on a round-trip time of flight for an emitted pulse of light to travel from the lidar system to the target and back to the lidar system.

6. 发明申请

US20190006811A1 LASER DEVICE WITH AN OPTICAL RESONATOR AND METHOD FOR ADJUSTING THE LASER DEVICE 审中-公开
公开(公告)号：US20190006811A1
公开(公告)日：2019-01-03
申请号：US16062050
申请日：2016-07-12
申请人： ROFIN SINAR LASER GMBH
发明人： Sina SCHOLZ-RIECKE , Nicolas KUGLER
IPC分类号： H01S3/06 , H01S3/08 , H01S3/081 , H01S3/102 , H01S3/086 , H01S3/113
摘要： The invention relates to an optical resonator (1) for a laser device (20), in particular for a microchip solid-state laser, comprising an optical medium (4) which is arranged between a first and a second reflective element (2, 3) that are arranged at a distance from one another in a longitudinal direction (P). The optical resonator length is specified by the distance from the first reflective element (2) to the second reflective element (3) in the longitudinal direction (P), the longitudinal extent of the medium (4) arranged between the reflective elements, and the refractive index thereof. According to the invention, the optical resonator length varies in at least one lateral direction (L) running perpendicularly to the longitudinal direction (P). The invention further relates to a laser device (20) comprising such a resonator (1) and to a method for adjusting the laser device (20).

7. 发明申请

US20180275487A1 WAVELENGTH CONVERSION DEVICE 审中-公开
公开(公告)号：US20180275487A1
公开(公告)日：2018-09-27
申请号：US15763354
申请日：2015-10-06
申请人： SHIMADZU CORPORATION
发明人： RAKESH BHANDARI , Koji TOJO , Naoya ISHIGAKI , Shingo UNO
IPC分类号： G02F1/37 , H01S3/113 , H01S3/109
CPC分类号： G02F1/37 , G02F2001/354 , H01S3/109 , H01S3/113
摘要： A wavelength conversion device having an excitation source 1, a laser medium 3 between an input mirror 5a and an output mirror 5b, consisting of an optic resonator. A laser beam is excited by the excitation light from the excitation source; a saturable absorber 4 is between the input mirror and the output mirror and increases a transmittance along with an absorption of the laser beam from the laser medium. A wavelength conversion element converts a fundamental wave of the laser light from the output mirror to a higher harmonic. A control element generates a phase-matched signal to adjust the phase-matching between the fundamental wave and the higher harmonic based on the output from the wavelength conversion element and the laser output setting value, and controls the laser output by outputting the phase-matched signal to the wavelength conversion element.

8. 发明申请

US20180254601A1 Laser Systems And Related Methods 审中-公开
公开(公告)号：US20180254601A1
公开(公告)日：2018-09-06
申请号：US15972259
申请日：2018-05-07
申请人： Candela Corporation
发明人： Jayant D. Bhawalkar , Xiaoming Shang
IPC分类号： H01S3/16 , H01S3/23 , H01S3/06 , H01S3/067 , H01S3/08 , H01S3/092 , H01S3/094 , H01S3/131 , H01S3/11 , H01S3/109 , H01S3/113 , H01S3/10 , H01S3/00
CPC分类号： H01S3/1633 , H01S3/005 , H01S3/0071 , H01S3/0092 , H01S3/061 , H01S3/0612 , H01S3/0617 , H01S3/0625 , H01S3/0627 , H01S3/06754 , H01S3/08081 , H01S3/092 , H01S3/094053 , H01S3/094061 , H01S3/094069 , H01S3/094076 , H01S3/10023 , H01S3/109 , H01S3/1115 , H01S3/113 , H01S3/1301 , H01S3/1312 , H01S3/1611 , H01S3/1643 , H01S3/2308 , H01S2301/02
摘要： A MOPA laser system that includes a seed laser configured to output pulsed laser light, an amplifier configured to receive and amplify the pulsed laser light emitted by the seed laser; and a pump laser configured to deliver a pump laser beam to both the seed laser and the amplifier and a variable attenuator configured to eliminate missing Q-switched pulses.

9. 发明授权

US09856849B2 Laser ignition system 有权
公开(公告)号：US09856849B2
公开(公告)日：2018-01-02
申请号：US14766343
申请日：2014-02-07
申请人： Robert Bosch GmbH
发明人： Heiko Ridderbusch , Joern Ostrinsky
IPC分类号： F02P23/04 , H01S5/00 , H01S3/06 , H01S3/113 , H01S3/00
CPC分类号： F02P23/04 , H01S3/00 , H01S3/005 , H01S3/0627 , H01S3/113 , H01S5/005
摘要： A laser ignition system has: at least one arrangement for producing a pulsed laser beam; and at least one arrangement for focusing the produced pulsed laser beam onto a focus zone, e.g., in order to ignite a combustible gas mixture in an internal combustion engine or a burner. The laser ignition system is designed to produce a pulsed laser beam having a normed fluence volume greater than 0.1.

10. 发明授权

US09728932B2 Fiber coupled modular laser system 有权
公开(公告)号：US09728932B2
公开(公告)日：2017-08-08
申请号：US14545033
申请日：2015-03-18
申请人： Advanced Optowave Corporation
发明人： Xiaojie Zhao , Chun He
IPC分类号： H01S3/23 , H01S3/067 , H01S3/0941 , H01S3/113 , H01S3/06
CPC分类号： H01S3/2375 , H01S3/0602 , H01S3/0675 , H01S3/06754 , H01S3/06758 , H01S3/09415 , H01S3/113 , H01S3/2341
摘要： A fiber coupled modular laser system comprises a laser oscillator, at least one fiber pre-amplifier, and at least one free space solid state power amplifier. The output of the laser oscillator is fiber coupled with the input of the at least one fiber pre-amplifier or the at least one free space solid state power amplifier. The output or the input of the at least one fiber pre-amplifier is fiber coupled with the input or the output of the at least one free space solid state power amplifier.

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