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1. 发明授权

US10096963B2 Pulse slicer in laser systems 有权
公开(公告)号：US10096963B2
公开(公告)日：2018-10-09
申请号：US15807418
申请日：2017-11-08
申请人： LUMENIS LTD.
发明人： John B. Lee
IPC分类号： H01S3/00 , H01S3/092 , H01S3/10 , H01S3/127 , H01S3/23 , H01S3/16 , H01S3/115 , H01S3/0941 , G02B27/28
摘要： An apparatus (such as a laser-based system) and method for providing optical pulses in a broad range of pulse widths and pulse energies uses a pulse slicer which is configured to slice a predefined portion having a desired pulse width of each of the one or more output optical pulses from a laser oscillator, in which timings of a rising edge and a falling edge of each sliced optical pulse relative to a time instance of a maximum of the corresponding each of the one or more output optical pulses from the laser oscillator, are chosen at least to maximize amplification efficiency of the optical amplifier, which may be located after the pulse slicer, and to provide the one or more amplified output optical pulses each having the desired pulse energy and pulse width.

2. 发明授权

US09106054B2 Laser device and method 有权
标题翻译：激光装置及方法
公开(公告)号：US09106054B2
公开(公告)日：2015-08-11
申请号：US14187308
申请日：2014-02-23
申请人： LEE LASER, INC.
发明人： Dwight Kimberlin , Donald Bishop
IPC分类号： H01S3/127 , G02B27/10 , G02B27/14 , G02B19/00 , H01S3/0941 , H01S3/11 , H01S3/16 , H01S3/23
CPC分类号： H01S3/127 , G02B19/0028 , G02B19/0057 , G02B27/1006 , G02B27/1073 , G02B27/14 , G02B27/144 , G02B27/145 , H01S3/09415 , H01S3/11 , H01S3/1611 , H01S3/1643 , H01S3/23
摘要： A laser beam combining and power scaling device and method. A first highly reflective mirror residing perpendicular to the first optical axis reflecting radiation emitted from the first laser head. A first Q-switch in alignment with the first optical axis interposed between the first highly reflective mirror and the first laser head. A second highly reflective mirror residing perpendicular to the second optical axis reflecting radiation emitted from the second laser head. The second Q-switch in alignment with the second optical axis is interposed between the second highly reflective mirror and the first laser head. A third optical axis is coincident with the first optical axis. A third highly reflective mirror residing perpendicular to the third optical axis in alignment therewith. The third optical axis may include a third diode pumped laser head and Q-switch. A beam splitter resides at the intersection of the axes.
摘要翻译：激光束组合和功率缩放装置及方法。第一高反射镜，其垂直于第一光轴垂直，反射从第一激光头发射的辐射。第一Q开关，其与插入在第一高反射镜和第一激光头之间的第一光轴对准。第二高反射镜，垂直于第二光轴，反射从第二激光头发出的辐射。与第二光轴对准的第二Q开关设置在第二高反射镜和第一激光头之间。第三光轴与第一光轴重合。第三高反射镜，其垂直于与其对准的第三光轴。第三光轴可以包括第三二极管泵浦激光头和Q开关。分束器位于轴的相交处。

3. 发明授权

US08934509B2 Q-switched oscillator seed-source for MOPA laser illuminator method and apparatus 有权
标题翻译：用于MOPA激光照明器的Q开关振荡器种子源方法和装置
公开(公告)号：US08934509B2
公开(公告)日：2015-01-13
申请号：US12952190
申请日：2010-11-22
申请人： Matthias P. Savage-Leuchs , Christian E. Dilley , Charles A. Lemaire
发明人： Matthias P. Savage-Leuchs , Christian E. Dilley , Charles A. Lemaire
IPC分类号： H01S3/11 , H01S3/067 , H01S3/102 , H01S5/14 , H01S3/23 , H01S3/115 , H01S3/127 , H01S3/113 , H01S3/094
CPC分类号： H01S3/06758 , B60Q1/0076 , H01S3/06704 , H01S3/06712 , H01S3/06716 , H01S3/0675 , H01S3/06791 , H01S3/094003 , H01S3/094011 , H01S3/094053 , H01S3/0941 , H01S3/1022 , H01S3/113 , H01S3/115 , H01S3/127 , H01S3/2316 , H01S5/146 , H01S2301/03
摘要： An apparatus, method and system that uses a Q-switched laser or a Q-seed source for a seed pulse signal having a controlled high-dynamic-range amplitude that avoids and/or compensates for pulse steepening in high-gain optical-fiber and/or optical-rod amplification of optical pulses. Optionally, the optical output is used for LIDAR or illumination purposes (e.g., for image acquisition). In some embodiments, well-controlled pulse shapes are obtained having a wide dynamic range, long duration, and not-too-narrow linewidth. In some embodiments, upon the opening of a Q-switch in an optical cavity having a gain medium, the amplification builds relatively slowly, wherein each round trip through the gain medium increases the amplitude of the optical pulse. Other embodiments use quasi-Q-switch devices or a plurality of amplitude modulators to obtain Q-seed pulses. These configurations provide optical pulses having wide dynamic ranges that ameliorate problems of pulse steepening, non-linear spectral broadening and the like in very-high-power MOPA devices.
摘要翻译：一种使用Q开关激光器或Q种子源用于具有受控的高动态范围幅度的种子脉冲信号的装置，方法和系统，其避免和/或补偿高增益光纤中的脉冲陡峭，以及 /或光学脉冲的光棒放大。可选地，光输出用于LIDAR或照明目的（例如，用于图像采集）。在一些实施例中，获得具有宽动态范围，长持续时间和不太窄线宽的良好控制的脉冲形状。在一些实施例中，在具有增益介质的光学腔中打开Q开关后，放大相对缓慢地建立，其中通过增益介质的每次往返都增加了光脉冲的幅度。其他实施例使用准Q开关器件或多个幅度调制器来获得Q-种子脉冲。这些配置提供具有宽动态范围的光脉冲，其可改善非常高功率的MOPA器件中的脉冲陡峭度，非线性光谱变宽等问题。

4. 发明申请

US20060273300A1 III-V Group GaN-based compound semiconductor device 有权
标题翻译： III-V族GaN基化合物半导体器件
公开(公告)号：US20060273300A1
公开(公告)日：2006-12-07
申请号：US11445220
申请日：2006-06-02
申请人： Joong-kon Son , Kyoung-ho Ha , Han-youl Ryu
发明人： Joong-kon Son , Kyoung-ho Ha , Han-youl Ryu
IPC分类号： H01L31/00 , H01S3/11 , H01L29/06 , H01S3/127
CPC分类号： H01S5/34333 , B82Y20/00 , H01L33/04 , H01L33/06 , H01L33/32 , H01S5/0213 , H01S5/2004 , H01S5/2013 , H01S5/22 , H01S5/3213 , H01S5/3216
摘要： A III-V Group GaN-based compound semiconductor device with an improved structure having low current comsumption, high optical output, and a long lifetime is provided. The III-V Group GaN-based compound semiconductor device includes an active layer and a first clad layer and a second clad layer, wherein at least one of the first clad layer and the second clad layer has a superlattice structure formed of a plurality of alternating AlxGa(1-x)N layers (0
摘要翻译：提供了具有低电流消耗，高光输出和长寿命的改进结构的III-V族GaN基化合物半导体器件。 III-V族GaN基化合物半导体器件包括有源层和第一覆盖层和第二覆盖层，其中，第一覆盖层和第二覆盖层中的至少一个具有由多个交替形成的超晶格结构（1-x）N层（0

5. 发明申请

US20050018714A1 Polarization maintaining dispersion controlled fiber laser source of ultrashort pulses 有权
标题翻译：极化维持色散控制光纤激光源的超短脉冲
公开(公告)号：US20050018714A1
公开(公告)日：2005-01-27
申请号：US10627069
申请日：2003-07-25
申请人： Martin Fermann , Gyu Cho
发明人： Martin Fermann , Gyu Cho
IPC分类号： H01L20060101 , H01S3/00 , H01S3/067 , H01S3/08 , H01S3/094 , H01S3/0941 , H01S3/098 , H01S3/1055 , H01S3/127 , H01S3/30
CPC分类号： H01S3/1118 , H01S3/005 , H01S3/06708 , H01S3/06712 , H01S3/094019 , H01S3/0941 , H01S3/1055
摘要： A modelocked linear fiber laser cavity with enhanced pulse-width control includes concatenated sections of both polarization-maintaining and non-polarization-maintaining fibers. Apodized fiber Bragg gratings and integrated fiber polarizers are included in the cavity to assist in linearly polarizing the output of the cavity. Very short pulses with a large optical bandwidth are obtained by matching the dispersion value of the fiber Bragg grating to the inverse of the dispersion of the intra-cavity fiber.
摘要翻译：具有增强的脉冲宽度控制的锁模线性光纤激光腔包括两个偏振保持和非偏振保持光纤的级联部分。变形纤维布拉格光栅和集成光纤偏振器被包括在空腔中，以帮助线性偏振空腔的输出。通过将光纤布拉格光栅的色散值与腔内光纤的色散相反来获得具有大光学带宽的非常短的脉冲。

6. 发明授权

US6016324A Short pulse laser system 失效
标题翻译：短脉冲激光系统
公开(公告)号：US6016324A
公开(公告)日：2000-01-18
申请号：US58274
申请日：1998-04-09
申请人： Harry Rieger , Henry Shields , Richard Foster
发明人： Harry Rieger , Henry Shields , Richard Foster
IPC分类号： H01S3/098 , G03F7/20 , H01S3/00 , H01S3/0941 , H01S3/102 , H01S3/11 , H01S3/117 , H01S3/127 , H01S3/23 , H01S3/10
CPC分类号： H01S3/117 , H01S3/127 , H01S3/23 , H01S3/235 , H01S2301/08 , H01S3/005 , H01S3/0612 , H01S3/07 , H01S3/08072 , H01S3/094076 , H01S3/0941 , H01S3/09415 , H01S3/1024 , H01S3/1103 , H01S3/1109 , H01S3/1127 , H01S3/115 , H01S3/1611 , H01S3/1643 , H01S3/2333 , H01S3/2341
摘要： A laser system which generates short duration pulses, such as under five nanoseconds at an energy level of up to a few milli-Joules per pulse (mJ/p) with near diffraction limited beam quality. A laser crystal is pumped (excited) by diode lasers. A resonator having at least two mirror surfaces defines a beam path passing through the laser crystal. The beam path in the resonator is periodically blocked by a first optical shutter permitting pump energy to build up in the laser crystal, except for a short period near the end of each pumping period. While the first optical shutter is open a second optical shutter blocks the light in the resonator except for periodic short intervals, the intervals being spaced such that at least one light pulse traveling at the speed of light in the resonator is able to make a plurality of transits through the resonator, increasing in intensity by extracting energy from the excited laser crystal on each transit. After the light pulse has built up in intensity, an optical release mechanism releases the pulse from resonator.
摘要翻译：一种产生短持续时间脉冲的激光系统，例如在高达几毫焦耳/脉冲（mJ / p）的能级下，具有接近衍射限制光束质量的五纳秒。激光晶体被二极管激光器激发（激发）。具有至少两个镜面的谐振器限定穿过激光晶体的光束路径。除了在每个泵送周期结束附近的短时间内，谐振器中的光束路径被允许泵浦能量积聚在激光晶体中的第一光学快门周期性地阻挡。当第一光学快门打开时，除了周期性短的间隔之外，第二光学快门阻挡谐振器中的光，间隔被间隔开，使得在谐振器中以光速行进的至少一个光脉冲能够使多个通过谐振器过渡，通过在每次运输时从激发的激光晶体中提取能量而增加强度。在光脉冲强度累积之后，光学释放机构从谐振器释放脉冲。

7. 发明授权

US5742634A Picosecond laser 失效
标题翻译：皮秒激光
公开(公告)号：US5742634A
公开(公告)日：1998-04-21
申请号：US725750
申请日：1996-10-04
申请人： Harry Rieger , Henry Shields , Richard M. Foster
发明人： Harry Rieger , Henry Shields , Richard M. Foster
IPC分类号： H01S3/127 , G03F7/20 , H01S3/00 , H01S3/0941 , H01S3/098 , H01S3/102 , H01S3/11 , H01S3/23 , H01S3/10
CPC分类号： H01S3/2341 , H01S3/115 , H01S3/117 , H01S3/2316 , H01S3/2333 , H01S3/2383 , H01S2301/08 , H01S3/0057 , H01S3/0085 , H01S3/082 , H01S3/094076 , H01S3/0941 , H01S3/09415 , H01S3/1024 , H01S3/1075 , H01S3/1103 , H01S3/1109 , H01S3/1127 , H01S3/127 , H01S3/23
摘要： A laser system which generates pulses with a duration in the range of about 60 to 300 ps at an energy level of up to a few milli-Joules per pulse (mJ/p) with near diffraction limited beam quality. A laser crystal is pumped (excited) by diode lasers. A resonator having at least two mirror surfaces defines a beam path passing through the laser crystal. The beam path in the resonator is periodically blocked by a first optical shutter permitting pump energy to build up in the laser crystal, except for a short period near the end of each pumping period. While the first optical shutter is open a second optical shutter blocks the light in the resonator except for periodic subnano-second intervals, the intervals being spaced such that at least one light pulse traveling at the speed of light in the resonator is able to make a plurality of transits through the resonator, increasing in intensity by extracting energy from the excited laser crystal on each transit. After the light pulse has built up in intensity, an optical release mechanism releases the pulse from resonator.
摘要翻译：一种激光系统，其产生的脉冲持续时间在约60至300ps的范围内，能量水平高达几毫安每脉冲（mJ / p），具有近衍射限制光束质量。激光晶体被二极管激光器激发（激发）。具有至少两个镜面的谐振器限定穿过激光晶体的光束路径。除了在每个泵送周期结束附近的短时间内，谐振器中的光束路径被允许泵浦能量积聚在激光晶体中的第一光学快门周期性地阻挡。当第一光学快门打开时，第二光学快门阻挡除了周期性亚纳秒级间隔之外的谐振器中的光，间隔被间隔开，使得以共振器中的光速行进的至少一个光脉冲能够形成通过谐振器的多个过渡，通过在每次运输时从激发的激光晶体提取能量而增加强度。在光脉冲强度累积之后，光学释放机构从谐振器释放脉冲。

8. 发明授权

US11469569B1 Methods of laser pulse development and maintenance in a compact laser resonator 有权
公开(公告)号：US11469569B1
公开(公告)日：2022-10-11
申请号：US17107940
申请日：2020-11-30
申请人： Arete Associates
发明人： Micah Boyd
IPC分类号： H01S3/115 , H01S3/13 , H01S3/136 , H01S3/127 , H01S3/10 , H01S3/083 , G02F1/03 , H01S3/0941
摘要： Described herein are methods for developing and maintaining pulses that are produced from compact resonant cavities using one or more Q-switches and maintaining the output parameters of these pulses created during repetitive pulsed operation. The deterministic control of the evolution of a Q-switched laser pulse is complicated due to dynamic laser cavity feedback effects and unpredictable environmental inputs. Laser pulse shape control in a compact laser cavity (e.g., length/speed of light

9. 发明申请

US20190115712A1 PULSE SLICER IN LASER SYSTEMS 审中-公开
公开(公告)号：US20190115712A1
公开(公告)日：2019-04-18
申请号：US16121284
申请日：2018-09-04
申请人： LUMENIS LTD.
发明人： John B. Lee, JR.
IPC分类号： H01S3/00 , H01S3/10 , H01S3/23 , H01S3/16 , H01S3/115 , H01S3/092 , H01S3/0941 , G02B27/28 , H01S3/127
摘要： An apparatus (such as a laser-based system) and method for providing optical pulses in a broad range of pulse widths and pulse energies uses a pulse slicer which is configured to slice a predefined portion having a desired pulse width of each of the one or more output optical pulses from a laser oscillator, in which timings of a rising edge and a falling edge of each sliced optical pulse relative to a time instance of a maximum of the corresponding each of the one or more output optical pulses from the laser oscillator, are chosen at least to maximize amplification efficiency of the optical amplifier, which may be located after the pulse slicer, and to provide the one or more amplified output optical pulses each having the desired pulse energy and pulse width.

10. 发明申请

US20170012403A1 LASER DEVICE AND PHOTOACOUSTIC MEASUREMENT DEVICE COMPRISING THE SAME 审中-公开
标题翻译：激光装置和包含该激光装置的光电测量装置
公开(公告)号：US20170012403A1
公开(公告)日：2017-01-12
申请号：US15275697
申请日：2016-09-26
申请人： FUJIFILM Corporation
发明人： Dai MURAKOSHI , Kaku IRISAWA , Takuji TADA
IPC分类号： H01S3/127 , A61B5/00 , H01S3/08 , H01S3/16 , H01S3/082 , H01S3/092
CPC分类号： H01S3/127 , A61B5/0095 , H01S3/0809 , H01S3/082 , H01S3/092 , H01S3/106 , H01S3/1633
摘要： In a laser device and a photoacoustic measurement device including the laser device, the intensity of light at each wavelength made independently controllable. The laser device includes a laser medium which has oscillation wavelengths at a first wavelength and a second wavelength with higher light emission efficiency than at the first wavelength, an excitation section, a first resonator, a second resonator, a Q-value change unit, and a control section. The control section oscillates light having the first wavelength through Q switching when a first delay time has elapsed after the excitation of the laser medium has been started in a case where the oscillation wavelength is the first wavelength, and oscillates light having the second wavelength through Q switching when a second delay time has elapsed after the excitation of the laser medium has been started in a case where the oscillation wavelength is the second wavelength.
摘要翻译：在包括激光装置的激光装置和光声测量装置中，每个波长处的光的强度独立地可控制。激光装置包括激光介质，其具有比第一波长具有更高的发光效率的第一波长和第二波长的振荡波长，激励部，第一谐振器，第二谐振器，Q值改变单元和控制部分。当在振荡波长为第一波长的情况下已经开始激光介质的激发之后经过第一延迟时间时，控制部分通过Q切换振荡具有第一波长的光，并且通过Q振荡具有第二波长的光在振荡波长为第二波长的情况下已经开始激光介质的激励之后经过第二延迟时间的切换。

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