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1. 发明公开

EP2395611A4 PLANE WAVEGUIDE TYPE LASER, AND DISPLAY DEVICE 审中-公开
公开(公告)号：EP2395611A4
公开(公告)日：2017-10-25
申请号：EP09839643
申请日：2009-02-05
申请人： MITSUBISHI ELECTRIC CORP
发明人： YAMAMOTO SHUHEI , AKINO YOSUKE , YANAGISAWA TAKAYUKI , HIRANO YOSHIHITO
IPC分类号： H01S3/063 , H01S3/00 , H01S3/04 , H01S3/042 , H01S3/08 , H01S3/094 , H01S3/0941 , H01S3/102 , H01S3/23 , H01S5/40 , H04N9/31
CPC分类号： H01S3/042 , H01S3/0092 , H01S3/0405 , H01S3/0632 , H01S3/0804 , H01S3/08072 , H01S3/094076 , H01S3/09415 , H01S3/1028 , H01S3/2383 , H01S5/4025 , H04N9/3161
摘要： A plane waveguide type laser according to the present invention includes: a plate-shaped laser medium (5); a semiconductor laser (1) which causes excitation light to enter an end surface (5a) of the laser medium (5); first and second claddings (4a and 4b) which are bonded to lower and upper surfaces of the laser medium (5), respectively, to form a waveguide in a vertical direction; a comb heat sink (2) bonded to a lower surface of the first cladding (4a); and thermal lens producing means (20) bonded to an upper surface of the second cladding (4b). In this structure, laser oscillation in the vertical direction is performed in a waveguide mode of the laser medium (5), and the thermal lens producing means (20) forms a periodic lens effect in the laser medium (5) to perform laser oscillation in a lateral direction in a plurality of resonant modes. Therefore, a resonator having a small round-trip loss may be formed without depending on a size of a thermal lens produced by excitation, and hence a rising characteristic of a pulse operation or a CW operation may be smoothed to obtain high-power stable output.

2. 发明公开

EP3079009A4 MULTI-WAVELENGTH LASER DEVICE 有权
标题翻译： LASERVORRICHTUNG MIT MEHRERENWELLENLÄNGEN
公开(公告)号：EP3079009A4
公开(公告)日：2017-07-26
申请号：EP13898567
申请日：2013-12-05
申请人： MITSUBISHI ELECTRIC CORP
发明人： SHODA FUMIO , YANAGISAWA TAKAYUKI , AKINO YOSUKE
IPC分类号： H01S3/109 , G02F1/35 , G02F1/37 , H01S3/07 , H01S3/08 , H01S3/082 , H01S3/0941 , H01S3/1055 , H01S5/00 , H01S5/40
CPC分类号： H01S3/109 , G02F1/37 , G02F2001/3503 , G02F2201/305 , G02F2201/307 , H01S3/07 , H01S3/08009 , H01S3/08054 , H01S3/08086 , H01S3/0826 , H01S3/094096 , H01S3/09415 , H01S3/1055 , H01S5/005 , H01S5/0071 , H01S5/0092 , H01S5/141 , H01S5/143 , H01S5/4012 , H01S5/4087
摘要： It is an object of the present invention to provide a multi wavelength laser device that can provide a plurality of lights after wavelength conversion which are superposed on the same axis with a simple structure, and that can ease restrictions imposed on the lights which are superposed. The multi wavelength laser device includes a laser light source 10 that emits a plurality of laser lights 20 whose fundamental wavelengths differ from one another, a dispersing element 30 that changes the traveling direction of each of the plurality of laser lights emitted from the laser light source 10 according to the wavelength and the incidence direction, and that emits the laser lights in a state in which the laser lights are superposed on the same axis, and a wavelength conversion element 40 that has a polarization inverted region and a polarization non-inverted region which are formed periodically, and that performs wavelength conversion on the plurality of fundamental wave laser lights emitted from the dispersing element 30 and placed in the state in which the laser lights are superposed on the same axis, and emits a plurality of laser lights 50 acquired through the wavelength conversion in a state in which the laser lights are superposed on the same axis.
摘要翻译：本发明的一个目的是提供一种多波长激光器件，其能够在波长转换之后提供多个以简单结构叠加在同一轴上的光，并且可以减轻对叠加的光的限制。多波长激光装置包括：激光光源10，其发出基本波长彼此不同的多个激光20;分光元件30，其改变从激光光源发出的多个激光中的每一个的行进方向根据波长和入射方向，并且在激光以相同的轴重叠的状态下发射激光，以及具有偏振反转区域和偏振非反转区域的波长转换元件40 并且对从分光元件30射出的多个基波激光进行波长变换，并将其配置成激光重叠在同一轴上的状态，发出获取的多个激光50 通过在激光重叠在同一轴上的状态下的波长转换来实现。

3. 发明公开

EP3165952A4 LIGHT HOMOGENIZATION DEVICE 审中-公开
公开(公告)号：EP3165952A4
公开(公告)日：2018-03-07
申请号：EP14896814
申请日：2014-07-02
申请人： MITSUBISHI ELECTRIC CORP
发明人： AKINO YOSUKE , YANAGISAWA TAKAYUKI
IPC分类号： G02B6/00 , F21V8/00 , G02B6/26 , G02B19/00 , G02B27/09
CPC分类号： G02B27/0994 , G02B6/00 , G02B6/0006 , G02B6/262 , G02B19/0019 , G02B19/0047
摘要： A ray of light 2 enters vertically to an incident surface 5a of a rod integrator 5, while another ray of light 4 enters obliquely to the incident surface 5a of the rod integrator 5. As a result, the outermost spread angle of the ray of light 4 after entering the rod integrator 5 coincides with the outermost spread angle of the ray of light 2 after entering the rod integrator 5.

4. 发明公开

EP3182152A4 LASER LIGHT SENDING AND RECEIVING DEVICE AND LASER RADAR DEVICE 有权
标题翻译： LASERLICHTSENDE- UND EMPFANGSVORTHHTUNG SOWIE LASERRADARVORRICHTUNG
公开(公告)号：EP3182152A4
公开(公告)日：2017-08-30
申请号：EP14899693
申请日：2014-08-12
申请人： MITSUBISHI ELECTRIC CORP
发明人： HINOKUMA YASUHIRO , SAKIMURA TAKESHI , AKINO YOSUKE , YANAGISAWA TAKAYUKI , TANAKA HISAMICHI
IPC分类号： G01S17/58 , G01C3/06 , G01S7/481 , G01S7/491 , G01S7/499 , G01S17/95
CPC分类号： G01S7/4811 , G01C3/06 , G01S7/4812 , G01S7/4817 , G01S7/4818 , G01S7/4917 , G01S7/499 , G01S17/58 , G01S17/95 , Y02A90/19
摘要： Disclosed is a laser light transceiver which is configured so as to include a polarization changing unit 2 for outputting a laser light beam outputted from a transmission light source 1 toward a direction corresponding to the polarization of the laser light beam while changing the polarization of the laser light beam with respect to time. As a result, the laser light transceiver can transmit a laser light beam, whose power is not decreased, in two eye directions without mechanically scanning with the laser light beam.
摘要翻译：公开了一种激光收发器，其被配置为包括偏振改变单元2，用于在改变激光的偏振的同时将从发射光源1输出的激光束朝向与激光束的偏振相对应的方向输出光束相对于时间。结果，激光收发器可以在没有用激光束进行机械扫描的情况下在两个眼睛方向上传输功率不减小的激光束。

5. 发明公开

EP3007288A4 WAVEGUIDE-TYPE LASER DEVICE 有权
标题翻译：有纤维激光装置
公开(公告)号：EP3007288A4
公开(公告)日：2017-04-19
申请号：EP13886190
申请日：2013-06-06
申请人： MITSUBISHI ELECTRIC CORP
发明人： SHOHDA FUMIO , YANAGISAWA TAKAYUKI , KURAMOTO KYOSUKE , AKINO YOSUKE , SAKAI KOHEI
IPC分类号： H01S3/109 , G02F1/37 , H01S3/063
CPC分类号： H01S3/109 , G02F1/3558 , H01S3/063 , H01S3/08009 , H01S3/08059 , H01S3/08086
摘要： A laser includes a wavelength selecting element 14 that selectively reflects laser beams with wavelengths » = » 0 , » 1 , » 2 , ..., » n (n ‰¥ 2) of different laser oscillation modes from among fundamental oscillation wavelengths of laser beams passing through a wavelength conversion element 13, and the wavelength conversion element 13 that converts the laser beams with the wavelengths » = » 0 , » 1 , » 2 , ..., » n (n ‰¥ 2) of different laser oscillation modes reflected by the wavelength selecting element 14 to harmonics. When using a material with a wide gain band as a laser medium 121 of a solid-state laser element 12, a waveguide laser is implemented capable of carrying out high-efficiency wavelength conversion at a plurality of wavelengths within the gain band.

6. 发明公开

EP2928030A4 PLANAR WAVEGUIDE LASER EXCITATION MODULE AND PLANAR WAVEGUIDE WAVELENGTH CONVERSION LASER DEVICE 失效
标题翻译：平面波导激光器刺激模块和平板型波长实现激光器件
公开(公告)号：EP2928030A4
公开(公告)日：2016-07-27
申请号：EP12889667
申请日：2012-12-03
申请人： MITSUBISHI ELECTRIC CORP
发明人： AKINO YOSUKE , YANAGISAWA TAKAYUKI
IPC分类号： H01S3/063 , G02F1/377 , H01S3/00 , H01S3/02 , H01S3/04 , H01S3/042 , H01S3/06 , H01S3/08 , H01S3/0941 , H01S3/16 , H01S3/17 , H01S3/23
CPC分类号： H01S3/0941 , G02F1/377 , H01S3/0092 , H01S3/025 , H01S3/0405 , H01S3/042 , H01S3/0606 , H01S3/0612 , H01S3/0623 , H01S3/0625 , H01S3/0632 , H01S3/0637 , H01S3/08077 , H01S3/094038 , H01S3/109 , H01S3/1608 , H01S3/1618 , H01S3/1643 , H01S3/1653 , H01S3/1673 , H01S3/1685 , H01S3/1698 , H01S3/17 , H01S3/2383
摘要： A waveguide is constructed by sandwiching a transparent member 4 and a laser medium 5 between a first clad 3-1 and a second clad 3-2. Pumping light 8 is made to be incident from a direction perpendicular to a direction of the optical axes of first to fourth laser oscillation light beams 9-1 to 9-4, and to alternately propagate through the transparent member 4 and the laser medium 5 in a zigzag manner so as to pump only resonator mode regions in the laser medium 5.

7. 发明公开

EP2849293A4 PASSIVE Q-SWITCH ELEMENT AND PASSIVE Q-SWITCH LASER DEVICE 有权
标题翻译：被动品质开关元件和被动质量开关激光装置
公开(公告)号：EP2849293A4
公开(公告)日：2016-06-29
申请号：EP13787075
申请日：2013-04-25
申请人： MITSUBISHI ELECTRIC CORP
发明人： AKINO YOSUKE , HIRANO YOSHIHITO , YANAGISAWA TAKAYUKI , FUKAHORI HIDENORI
IPC分类号： H01S3/113 , H01S3/063
CPC分类号： H01S3/11 , G02F1/3523 , G02F2001/3503 , H01S3/063 , H01S3/067 , H01S3/0805 , H01S3/09415 , H01S3/1061 , H01S3/113
摘要： Provided is a passively Q-switched element or the like, which enables mode selection without increasing the number of components in a resonator in a Q-switched pulse laser or the like that oscillates in a great number of high-order modes and which is also applicable to a waveguide type laser in which a mode cannot be controlled spatially. By combining a saturable absorber (2) with a transparent material (3) which is transparent to a laser oscillation wavelength or the like, a passively Q-switched element having a mode selection function and a passively Q-switched laser device in which a passively Q-switched element has a mode selection function, and a planar waveguide type passively Q-switched element and passively Q-switched laser device are provided.

8. 发明公开

EP2339396A4 OPTICAL WAVELENGTH CONVERSION ELEMENT, WAVELENGTH CONVERSION LASER DEVICE, AND IMAGE DISPLAY DEVICE 有权
标题翻译：波长转换光学元件，激光器件用于波长转换及影像显示装置
公开(公告)号：EP2339396A4
公开(公告)日：2012-03-07
申请号：EP09816109
申请日：2009-09-17
申请人： MITSUBISHI ELECTRIC CORP
发明人： AKINO YOSUKE , HIRANO YOSHIHITO , YANAGISAWA TAKAYUKI , YAMAMOTO SHUHEI , NAGATSUKA TSUTOMU , ANDO TOSHIYUKI
IPC分类号： G02F1/35 , G02F1/355 , G02F1/377
CPC分类号： G02F1/37 , G02F1/3501 , G02F1/3558 , G02F1/377 , G02F1/3775 , G02F2001/3505 , G02F2001/3548 , G02F2201/12 , G02F2202/20 , G02F2203/21 , H01S3/109

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