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1. 发明专利

JP2014229813A レーザ増幅器及びレーザ発振器有权
标题翻译：激光放大器和激光振荡器
公开(公告)号：JP2014229813A
公开(公告)日：2014-12-08
申请号：JP2013109755
申请日：2013-05-24
申请人：三菱電機株式会社 , Mitsubishi Electric Corp
发明人： TAKASAKI TAKUYA , WATANABE YOJIRO , SAKIMURA TAKESHI , YANAGISAWA TAKAYUKI
IPC分类号： H01S3/093 , H01S3/042 , H01S3/063
摘要：【課題】励起光源1で生成され、レンズ2で集光された励起光Rを平面導波路3へ臨界角以下となる条件かつ平面導波路3内部で全反射する条件下で、励起光Rと平面導波路3の結合効率の低下を防止する。【解決手段】第一の励起光を生成して出力する第一の励起光源1と、前記第一の励起光が入射されることにより励起され、外部からの入力信号光を増幅して出力する平面導波路3と、前記第一の励起光の一部を反射して前記平面導波路3へ入射させる反射ミラー4とを備えるレーザ増幅器を提供する。【選択図】図1
摘要翻译：要解决的问题：为了防止激发光R和平面波导3在由激发光源1产生并被透镜2聚光的激发光R以临界角或更小的角度进入平面波导3的条件下的耦合效率，并且在激发光R全部反射在平面波导3中的条件下。解决方案：激光放大器包括用于产生和输出第一激发光的第一激发光源1，当第一激发光照射在其上时激发的平行波导3 并且在放大时输出外部输入信号光;以及反射镜4，用于反射第一激光的一部分进入平行波导3。

2. 发明专利

JP2012146902A Plane waveguide type laser device and manufacturing method thereof 有权
标题翻译：平面波形激光器件及其制造方法
公开(公告)号：JP2012146902A
公开(公告)日：2012-08-02
申请号：JP2011005691
申请日：2011-01-14
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： FUKABORI HIDENORI , HIRANO YOSHIHITO , YANAGISAWA TAKAYUKI , SODA SHINNOSUKE , YAMAMOTO SHUHEI
IPC分类号： H01S3/16
摘要： PROBLEM TO BE SOLVED: To obtain a plane waveguide type laser device with a structure capable of constituting a waveguide without using an adhesive.SOLUTION: A plane waveguide laser type laser device comprises: an Si substrate 2 having an oxide film 2a on a surface; a laser medium 1, which is formed into a flat plate shape, which has a higher refractive index than that of the oxide film 2a, and whose one face of faces vertical to a thickness direction is directly jointed to a face of the Si substrate 2 having the oxide film 2a by diffusion jointing or surface activation jointing; and a clad layer 3 directly jointed or deposited to the face of the laser medium 1. The laser medium 1 is used as a core of a waveguide, and the oxide film 2a and the clad layer 3 are used as a clad of the waveguide. Therefore, the waveguide can be constituted without using an adhesive which is deteriorated due to radiation of laser lights or temperature rise, so that high reliability is possible.
摘要翻译：要解决的问题：获得具有能够构成波导而不使用粘合剂的结构的平面波导型激光装置。解决方案：平面波导激光器型激光器件包括：在表面上具有氧化物膜2a的Si衬底2; 形成为平板状的激光介质1，其折射率比氧化膜2a的折射率高，并且其垂直于厚度方向的面的一个面直接接合到Si基板2的表面通过扩散接合或表面活化接合具有氧化物膜2a; 以及直接接合或沉积到激光介质1的表面的包层3.激光介质1用作波导的核心，氧化物膜2a和包覆层3用作波导管的包层。因此，可以不使用由于激光的辐射或温度升高而劣化的粘合剂构成波导，因此高可靠性是可能的。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2007227448A Regenerative amplifier, mode lock laser, and gain smoothing method 有权
标题翻译：再生放大器，模式锁定激光器和增益平滑方法
公开(公告)号：JP2007227448A
公开(公告)日：2007-09-06
申请号：JP2006043901
申请日：2006-02-21
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： YAMAMOTO SHUHEI , SEKI KOJI , YANAGISAWA TAKAYUKI , HIRANO YOSHIHITO
IPC分类号： H01S3/10
摘要： PROBLEM TO BE SOLVED: To obtain a regenerative amplifier, or the like capable of obtaining a flat, total gain, and hence obtaining ultra-short pulsed light having high energy and large peak power. SOLUTION: The regenerative amplifier for composing a resonator by two reflectors 3, 4 arranged so that they oppose optically comprises: two solid laser media 21, 22 that are arranged on the light axis of the resonator between the two reflectors 3, 4, generate a gain, and amplify incident light; a polarizer 5 arranged on the light axis of the resonator between the reflector 3 and the solid laser medium 21; and a polarizing switch 8 that is arranged on the light axis in the resonator between the reflector 3 and the polarizer 5 and controls a polarization direction by applying voltage. Light entering from the polarizer 5 is amplified with the flat amplification gain that depends on wavelengths obtained by combining amplification gains having different peak wavelengths generated from the solid laser media 21, 22 each. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：获得能够获得平坦的总增益的再生放大器等，从而获得具有高能量和大峰值功率的超短脉冲光。解决方案：用于通过两个反射器3,4组成谐振器的再生放大器被布置为使得它们与光学相反地包括：布置在两个反射器3,4之间的谐振器的光轴上的两个固体激光介质21,22 产生增益，放大入射光; 布置在反射器3和固体激光介质21之间的谐振器的光轴上的偏振器5; 以及偏振开关8，其布置在反射器3和偏振器5之间的谐振器中的光轴上，并通过施加电压来控制偏振方向。从偏振器5进入的光被放大，其取决于通过组合由固体激光介质21,22产生的具有不同峰值波长的放大增益获得的波长的平坦放大增益。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2004233671A Excitation light source for raman amplification 有权
公开(公告)号：JP2004233671A
公开(公告)日：2004-08-19
申请号：JP2003022443
申请日：2003-01-30
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KOYADA YASUHARU , HIRANO YOSHIHITO , YANAGISAWA TAKAYUKI
IPC分类号： G02F1/35 , H01S3/10 , H01S3/30 , H04B10/07 , H04B10/2507 , H04B10/29 , H04B10/294 , H04B10/02 , H04B10/16 , H04B10/17 , H04B10/18
摘要： PROBLEM TO BE SOLVED: To obtain an excitation light source for Raman amplification, which can enhance effect in improving the optical SNR (signal to noise ratio). SOLUTION: An optical SNR monitoring device 16 for detecting the power ratio of a light noise to a light signal propagated in an optical fiber 1 is provided, in which the wavelength of a secondary excited light introduced from a secondary excitation light source 12 to the optical fiber 1 via multiplexers/demultiplexers 13 and 14 is adjusted so that the power ratio of the light detected by the optical SNR monitoring device 16 agrees with a setting ratio. Accordingly, the optical SNR can be improved by optimizing the wavelength of the secondary excitation light. COPYRIGHT: (C)2004,JPO&NCIPI

5. 发明专利

JP2014085432A Laser beam emission device 审中-公开
标题翻译：激光束发射装置
公开(公告)号：JP2014085432A
公开(公告)日：2014-05-12
申请号：JP2012232715
申请日：2012-10-22
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： NISHIMURA TETSUYA , YANAGISAWA TAKAYUKI , INOUE YOKO
IPC分类号： G03B21/14 , G02B6/08 , G03B21/00
摘要： PROBLEM TO BE SOLVED: To provide a laser beam emission device capable of improving the low in-plane uniformity of light intensity distribution.SOLUTION: The laser beam emission device includes a bundle fiber 5 formed by bundling a plurality of optical fibers 3 for propagating the light emitted by a plurality of laser beam sources 2, and a light emission section 7 formed at an emission end of the bundle fiber 5. The plurality of optical fibers 3 are aligned in the light emission section 7 so that the in-plane uniformity of the light intensity at the emission end surface of a rod is a previously determined reference value or higher.
摘要翻译：要解决的问题：提供能够提高光强度分布的面内均匀性低的激光束发射装置。解决方案：激光束发射装置包括通过捆扎多根光纤3形成的束光纤5，用于传播由多个激光束源2发射的光以及形成在束光纤5的发射端的发光部7.多个光纤3在发光部7中对准，使得面内均匀性棒的发射端面处的光强度是预先确定的参考值或更高的参考值。

6. 发明专利

JP2013125898A Mode control planar waveguide laser device 有权
标题翻译：模式控制平面波导激光器件
公开(公告)号：JP2013125898A
公开(公告)日：2013-06-24
申请号：JP2011274541
申请日：2011-12-15
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： FUKABORI HIDENORI , HIRANO YOSHIHITO , YANAGISAWA TAKAYUKI , AKINO YOSUKE , SHODA FUMIO
IPC分类号： H01S3/109 , G02F1/377 , H01S3/042 , H01S3/063 , H01S5/40
摘要： PROBLEM TO BE SOLVED: To obtain a mode control planar waveguide laser device which generates laser light efficiently by stabilizing the resonator mode.SOLUTION: A first nonlinear material 3 has a waveguide structure in the same direction as the waveguide structure of a laser medium 2, and has a single or periodic lens effect in a direction perpendicular to the optical axis and the thickness direction. A clad 5 is bonded to one surface of the first nonlinear material 3, and a heat sink 6 is also bonded via the clad 5. On the optical axis of the first nonlinear material 3, a second nonlinear material 4 having a waveguide structure in the same direction as the waveguide structure of the laser medium 2 is arranged in close proximity to the first nonlinear material 3.
摘要翻译：要解决的问题：获得通过稳定谐振器模式有效地产生激光的模式控制平面波导激光器件。解决方案：第一非线性材料3具有与激光介质2的波导结构相同方向的波导结构，并且在垂直于光轴和厚度方向的方向上具有单一的或周期性的透镜效应。包层5结合到第一非线性材料3的一个表面，并且散热片6也通过包层5结合。在第一非线性材料3的光轴上，具有波导结构的第二非线性材料4 与激光介质2的波导结构相同的方向被布置成靠近第一非线性材料3.版权所有（C）2013，JPO和INPIT

7. 发明专利

JP2012173401A Transmitted light selection device, and stereoscopic image display device and method 有权
标题翻译：发射光选择装置和立体图像显示装置及方法
公开(公告)号：JP2012173401A
公开(公告)日：2012-09-10
申请号：JP2011033329
申请日：2011-02-18
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： ENDO TAKAO , NAKANO YUZO , YANAGISAWA TAKAYUKI , HIRANO YOSHIHITO
IPC分类号： G03B35/16 , G02B27/22 , G03B21/10 , G03B21/14 , H04N13/04
CPC分类号： G02B27/26
摘要： PROBLEM TO BE SOLVED: To provide a transmitted light selection device, and stereoscopic image display device and method, which are capable of reducing an image deterioration caused by a degree of coherence of light, such as speckle.SOLUTION: A transmitted light selection device includes: a first light selection part 2a having a polarization filter 4a for letting an image light of either one of polarizing directions transmit through, and a phase-difference film 5A for giving a phase difference to light transmitting through the polarization filter 4a and outputting the light to an observer-side as light in which beams having plural polarizing directions are mixed; a second light selection part 2b having a polarization filter 4b having the direction of a polarization light transmission axis orthogonal to that of the polarization filter 4a, and a phase-difference film 5B for giving a phase difference to light transmitting through the polarization filter 4b and outputting the light to the observer-side as light in which beams having plural polarizing directions are mixed; with the phase-difference films 5A and 5B having at least two zones in which the directions of polarization light transmission axes are different, and placing the polarization filters on the image display device-side and the phase-difference films on the observer-side.
摘要翻译：要解决的问题：提供能够减少由诸如斑点的光的一致性引起的图像劣化的透射光选择装置和立体图像显示装置和方法。解决方案：透射光选择装置包括：第一光选择部分2a，其具有用于使偏振方向中的任一个的图像光透射的偏振滤光器4a;以及用于给出相位差的相位差膜5A 通过偏振滤光器4a透射光并将光输出到观察者侧，作为具有多个偏振方向的光束混合的光; 第二光选择部分2b具有偏振光滤光器4b，该偏振滤光器4b具有与偏振滤光器4a的偏振光透射轴正交的偏振光透射轴的方向;以及相位差薄膜5B，用于对透过偏振滤光器4b的光进行相位差，将光输送到观察者侧，作为具有多个偏振方向的光束混合的光; 相位差薄膜5A和5B具有偏振光透射轴的方向不同的至少两个区域，并且将偏振滤光器放置在观察者侧的图像显示装置侧和相位差膜上。版权所有（C）2012，JPO＆INPIT

8. 发明专利

JP2012142523A Passive q switch laser device 审中-公开
标题翻译：被动Q开关激光器件
公开(公告)号：JP2012142523A
公开(公告)日：2012-07-26
申请号：JP2011001231
申请日：2011-01-06
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： AKINO YOSUKE , HIRANO YOSHIHITO , YANAGISAWA TAKAYUKI
IPC分类号： H01S3/113
摘要： PROBLEM TO BE SOLVED: To obtain a passive Q switch laser device exhibiting excellent reliability of vibration resistance, shock resistance, and the like, in which continuous adjustment of the pulse frequency or control of the pulse output timing is achieved without changing the output energy or the pulse width per pulse, and the frequency can be adjusted automatically even for the output degradation due to the lifetime of an excitation source or the temperature variation.SOLUTION: The passive Q switch laser device comprises a passive Q switch laser 101 having an excitation source 102 and a resonator and outputting the oscillation light LO excited by the excitation source 102 from the resonator, a drive power supply 112 which supplies a constant offset current to the excitation source 102, and a pulse generation power supply 111 which imparts a current pulse Ip to the offset current. Pulse output timing of the oscillation light LO is controlled by the current pulse Ip.
摘要翻译：要解决的问题：为了获得具有良好的耐振动性，抗冲击性等的可靠性的无源Q开关激光装置，其中，在不改变脉冲频率或连续调节脉冲输出定时的情况下，输出能量或每脉冲的脉冲宽度，即使由于激励源的寿命或温度变化导致的输出劣化，也可以自动调整频率。无源Q开关激光器件包括具有激励源102和谐振器的无源Q开关激光器101，并且从谐振器输出由激励源102激励的振荡光LO;驱动电源112，其提供到激励源102的恒定偏移电流，以及将电流脉冲Ip赋予偏移电流的脉冲发生电源111。振荡光LO的脉冲输出定时由电流脉冲Ip控制。版权所有（C）2012，JPO＆INPIT

9. 发明专利

JP2014229738A 平面導波路型レーザ装置有权
标题翻译：平面波导激光器件
公开(公告)号：JP2014229738A
公开(公告)日：2014-12-08
申请号：JP2013108050
申请日：2013-05-22
申请人：三菱電機株式会社 , Mitsubishi Electric Corp
发明人： SAKIMURA TAKESHI , YANAGISAWA TAKAYUKI , TAKASAKI TAKUYA , WATANABE YOJIRO
IPC分类号： H01S3/063
摘要：【課題】安定した動作が可能な平面導波路型レーザ装置を得る。【解決手段】平面導波路形状のレーザ媒質3の1対の端面4、5にレーザ光高反射膜13、14を施し、これらのレーザ光高反射膜13、14によりレーザ光8を反射させてジグザグ伝搬させる。レーザ媒質3の1対の端面4、5のうち、少なくともいずれか一方の端面4、5と直交する側面6を備え、端面4または端面5と側面6により形成される頂点部によりレーザ光8を反射させる。【選択図】図1
摘要翻译：要解决的问题：获得能够实现稳定操作的平面波导激光器件。解决方案：激光束高反射膜13,14形成在平面波导形激光介质3的一对端面4,5上激光束8被激光束高反射膜13,14反射，以Z字形传播。平面波导激光器件包括与激光介质3的一对端面4,5中的至少一个正交的侧面6，并且激光束8被由端面4形成的顶点或端部面5与侧面6。

10. 发明专利

JP2013219137A Plane waveguide type laser device 有权
标题翻译：平面波形激光器件
公开(公告)号：JP2013219137A
公开(公告)日：2013-10-24
申请号：JP2012087372
申请日：2012-04-06
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： TAKASAKI TAKUYA , FUKABORI HIDENORI , SAKIMURA TAKESHI , YANAGISAWA TAKAYUKI , HIRANO YOSHIHITO
IPC分类号： H01S3/063 , H01S3/0941
摘要： PROBLEM TO BE SOLVED: To obtain a plane waveguide type laser device capable of arbitrarily selecting an optical path of a laser beam without requiring high accuracy in manufacturing a total reflection film and antireflection parts.SOLUTION: Total reflection films 7 for reflecting a laser beam 6 are formed on side faces of a plane waveguide 3, and antireflection films 8, 9 for inputting and outputting the laser beam 6 are formed on the top surface of the plane waveguide 3. Since the total reflection films 7 and the antireflection films 8, 9 can be formed on individually optimal surfaces, an optical path of the laser beam 6 can be arbitrarily selected without requiring high accuracy in manufacturing the total reflection films 7 and the antireflection films 8, 9.
摘要翻译：要解决的问题：获得能够任意选择激光束的光路而不需要高精度地制造全反射膜和抗反射部件的平面波导型激光装置。解决方案：用于反射激光束6的全反射膜7 形成在平面波导3的侧面上，并且在平面波导3的顶面上形成用于输入和输出激光束6的防反射膜8,9。由于全反射膜7和抗反射膜8,9 可以在单独的最佳表面上形成，可以任意选择激光束6的光路，而不需要高精度地制造全反射膜7和抗反射膜8,9。

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