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    • 4. 发明专利
    • Method and apparatus for machining periodic structure on outer peripheral body
    • 加工周边外部周期结构的方法与装置
    • JP2008200699A
    • 2008-09-04
    • JP2007037964
    • 2007-02-19
    • Enshu LtdLaser Gijutsu Sogo KenkyushoOsaka Univエンシュウ株式会社国立大学法人大阪大学財団法人レーザー技術総合研究所
    • ABE NOBUYUKITSUKAMOTO MASAHIROFUJITA MASAYUKIMURAKAMI KUNIOKATO TAKAYUKIFUJITA YASUHIRO
    • B23K26/36B23K26/06B23K26/073B23K26/08
    • PROBLEM TO BE SOLVED: To provide a method and an apparatus for machining the periodic structure of an outer peripheral body by which arraying machining is made possible with high accuracy without putting out the regular shape of the periodic construction (fine periodic groove and dimple) by specializing the outer peripheral body. SOLUTION: The method and apparatus are characterized by conducting the femtosecond laser of a linearly polarized light into a first rotary cylinder 41 which is provided rotatably, changing the polarization direction of the linearly polarized light with a λ/2 plate which is arranged in the first rotary cylinder, advancing the femtosecond laser in the direction of the outside diameter while condensing the femtosecond laser with a condensing lens R3 and a reflection mirror M which are arranged in a second rotary cylinder 49 which is provided rotatably by aligning the axial center O2 to the first rotary cylinder, emitting the femtosecond laser after facing the outer peripheral surface W1 of the outer peripheral body W which is held by a chucking means 7 to the outer circumference of the reflection mirror and rotating the first rotary cylinder which is provided with the λ/2 plate by a half per rotation in the rotation of the second rotary cylinder which is provided with the reflection mirror, and arraying machining the periodic grooves in the same direction on the outer peripheral surface of the outer peripheral body. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于加工外周体的周期性结构的方法和装置,通过其可以高精度地进行排列加工,而不会排除周期性构造的规则形状(精细周期性凹槽和 凹坑)通过专门的外围机身。 解决方案:该方法和装置的特征在于将线性偏振光的飞秒激光导入第一旋转圆筒41中,第一旋转圆筒41可旋转地设置,改变线偏振光的偏振方向,其中λ/ 2板被布置 在第一旋转圆筒中,使飞秒激光在外径方向上前进,同时将飞秒激光与聚光透镜R3和反射镜M聚光,该聚光透镜R3和反射镜M布置在第二旋转圆筒49中,第二旋转圆筒49通过使轴向中心 O2到第一旋转圆筒,在将由夹紧装置7保持的外周体W的外周面W1面向与反射镜的外周相反并且旋转设置有第一旋转圆筒的第一旋转圆筒之后,将飞秒激光发射 在设置有反射的第二旋转圆筒的旋转中,λ/ 2板旋转一半 在外周体的外周面上对相同方向的周期性凹槽进行反射和排列加工。 版权所有(C)2008,JPO&INPIT
    • 6. 发明专利
    • Optical transceiver device
    • 光收发器装置
    • JP2014014027A
    • 2014-01-23
    • JP2012150974
    • 2012-07-05
    • Nippon Telegr & Teleph Corp 日本電信電話株式会社Osaka Univ国立大学法人大阪大学
    • IWATSUKI KATSUMIYOSHIMOTO NAOTONAGATSUMA TADAOFUJITA MASAYUKIHISATAKE SHINTARO
    • H04B10/2575H04B10/272H04B10/50H04B10/60
    • PROBLEM TO BE SOLVED: To establish a common wireless/wired (optical) high-speed communication technique in WDM-PON with reduced ONU cost to economically achieve a broadband ubiquitous network.SOLUTION: Each of a wired colorless ONU 101 and a wireless colorless ONU 102 includes: an O/E 13 for converting downlink signal light modulated by a frequency of a millimeter wave band into an electric signal; a common circuit 12 for converting the electric signal from the O/E 13 into a baseband signal to demodulate the downlink signal, and for transmitting uplink signal light modulated by an uplink signal; and a MUX/DMX 15 for demultiplexing downlink signal light input from an external terminal to output to the O/E 13, and for outputting the uplink signal light input from the common circuit 12 from an external terminal.
    • 要解决的问题:在WDM-PON中建立普通的无线/有线(光)高速通信技术,降低ONU成本,以经济实现宽带普遍存在的网络。解决方案:每个有线无线ONU 101和无线无线ONU 102包括:用于将由毫米波段的频率调制的下行链路信号光转换为电信号的O / E 13; 用于将来自O / E13的电信号转换为基带信号以解调下行链路信号并用于发送由上行链路信号调制的上行链路信号的公共电路12; 以及用于将从外部端子输入的下行链路信号光解复用以输出到O / E13的MUX / DMX 15,并且用于从外部端子输出从公共电路12输入的上行链路信号光。
    • 7. 发明专利
    • Laser device
    • 激光装置
    • JP2012078813A
    • 2012-04-19
    • JP2011192954
    • 2011-09-05
    • Hamamatsu Photonics KkLaser Gijutsu Sogo KenkyushoOsaka Univ国立大学法人大阪大学浜松ホトニクス株式会社財団法人レーザー技術総合研究所
    • MIYANAGA NORIAKIFUJITA MASAYUKIKURITA TAKASHIKAWASHIMA TOSHIYUKI
    • G02F1/01H01S3/07H01S3/10
    • PROBLEM TO BE SOLVED: To provide a laser device capable of generating a pulsed laser beam with high output.SOLUTION: Each laser beam Lbeing continuous beam is amplified by a channel amplifier 14 in a laser device 1 and by a slab type solid laser device 44 in a laser device 1A. Therefore, an amplification factor can be set higher comparing to the case of amplifying a pulsed laser beam. In multiplexing each of the laser beams Lamplified in this manner on a condensing position Pof a diffraction grating 16 to generate a multiplexed beam L, the phase of each laser beam Lis controlled such that an output peak (the same pulse time waveform) of the multiplexed beam Lrepeatedly appears at predetermined time intervals on the condensing position P. Consequently, a pulsed laser beam is generated by a plurality of the amplified laser beams Lon the condensing position Pof the diffraction grating 16. Therefore, it becomes possible for this laser device 1 to generate a pulsed laser beam with high output.
    • 要解决的问题:提供能够产生高输出的脉冲激光束的激光装置。

      解决方案:作为连续光束的每个激光束L 1 由激光装置1中的通道放大器14和激光装置中的平板型固体激光装置44放大 1A。 因此,与放大脉冲激光束的情况相比,放大系数可以设定得更高。 在将衍射光栅16的聚光位置P 1 以这种方式放大的激光束L 2 多路复用光束L 3 ,控制每个激光束L 1 的相位,使得输出峰值(相同脉冲时间 复合光束L 3 的波形以预定的时间间隔重复出现在聚光位置P 1 上。 因此,脉冲激光束由多个放大激光束L 2 在聚光位置P 1 衍射光栅16.因此,该激光装置1可以产生高输出的脉冲激光束。 版权所有(C)2012,JPO&INPIT

    • 8. 发明专利
    • Laser device
    • 激光装置
    • JP2012078812A
    • 2012-04-19
    • JP2011192951
    • 2011-09-05
    • Hamamatsu Photonics KkLaser Gijutsu Sogo KenkyushoOsaka Univ国立大学法人大阪大学浜松ホトニクス株式会社財団法人レーザー技術総合研究所
    • MIYANAGA NORIAKIFUJITA MASAYUKIKURITA TAKASHIKAWASHIMA TOSHIYUKI
    • G02F1/01
    • PROBLEM TO BE SOLVED: To provide a laser device capable of easily generating a pulsed laser beam with short pulse and high output.SOLUTION: In multiplexing each of a plurality of laser beams Lhaving different frequencies from each other by a diffraction grating 13 to generate a multiplexed beam L, the phase of each laser beam Lis controlled such that an output peak (the same pulse time waveform) of the multiplexed beam Lrepeatedly appears at predetermined time intervals on a condensing position Pof the diffraction grating 13. Consequently, a pulsed laser beam is generated on the condensing position P. This laser device 1 generates a pulsed laser beam by multiplexing a plurality of laser beams Loscillated from a plurality of laser light sources 10. Therefore, by increasing the number of the laser light sources 10 (the number of laser beams Lhaving different frequencies from each other), a pulsed laser beam with short pulse and high output can be easily generated.
    • 要解决的问题:提供能够容易地产生具有短脉冲和高输出的脉冲激光束的激光装置。 解决方案:通过衍射光栅13将具有不同频率的多个激光束L 1 复用,以产生多路复用光束L 2 ,控制各激光束L 1 的相位,使得复用光束L 1 上以预定的时间间隔重复出现POS =“POST”> 2 。因此,脉冲激光束 冷凝位置P 1 。 该激光装置1通过多路复用从多个激光源10振荡的多个激光束L 1 来产生脉冲激光束。因此,通过增加激光的数量 源10(具有彼此具有不同频率的激光束L 1 )的数量),可以容易地产生具有短脉冲和高输出的脉冲激光束。 版权所有(C)2012,JPO&INPIT