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公开(公告)号：US4568911A
公开(公告)日：1986-02-04
申请号：US452807
申请日：1982-12-23
摘要： A surface acoustic wave generator is provided on an optical waveguide layer of an acousto-optical material. A group of parallel light beams each made significant according to the position of the path of propagation of light are made incident on the waveguide layer at an angle satisfying the Bragg diffraction condition with respect to a surface acoustic wave, and are successively diffracted by the wave, whereby a digital amount represented by the presence of light beams of the group is converted to an analog amount in terms of the power of light.
摘要翻译： 表面声波发生器设置在声光材料的光波导层上。 根据光的传播路径的位置，使一组平行光束以对应于表面声波的角度满足布拉格衍射条件入射到波导层上，并被波浪 由此，根据光的功率，将由该组的光束的存在所表示的数字量转换为模拟量。
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2.发明授权
公开(公告)号：US4747090A
公开(公告)日：1988-05-24
申请号：US559050
申请日：1983-10-13
CPC分类号： G11B7/0917 , G11B7/08547 , G11B7/1245
摘要： A photo-pickup wherein a light emitting portion, a surface acoustic wave generating portion, a lens portion, a light receiving portion and a control portion are integrally integrated on a base plate formed on its surface with a light transmission path. The light emitting portion propagates a light beam to the light transmission path. The light beam propagating in the light transmission path is first deflected within a plane of the light transmission path by surface acoustic wave propagating on the light transmission path and propagated towards the lens portion. The lens portion is provided to project the light beram outside from the light transmission path and effect two-dimentional focusing of the projected beam and adjustment of focal position. The light receiving portion comprises a combination of a plurality of light receiving elements disposed at suitable intervals from the projected position of the light beam to receive a reflected light of the light beam. The control portion is provided to receive an output of the light receiving portion to process a signal and supply said control signal to the surface acoustic wave generating portion and lens portion, thereby effecting the control of deflection angle of the light beam, two-dimentional focusing of the projected beam and control of focal position.
摘要翻译： 其中发光部分，表面声波发生部分，透镜部分，光接收部分和控制部分的光拾取器一体地集成在其表面上形成的基板上，具有光传输路径。 发光部将光束传播到光传输路径。 在光传输路径中传播的光束首先在光传输路径的平面内通过在光传输路径上传播并在透镜部分传播的表面声波而偏转。 透镜部分被设置成将光束从光传播路径向外突出，并且实现投影光束的二维聚焦和焦点位置的调整。 光接收部分包括多个光接收元件的组合，多个光接收元件以与光束的投影位置适当的间隔设置以接收光束的反射光。 控制部被设置为接收光接收部分的输出以处理信号并将所述控制信号提供给表面声波产生部分和透镜部分，从而实现光束偏转角的控制，二维聚焦 的投影光束和焦点位置的控制。
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公开(公告)号：US5128915A
公开(公告)日：1992-07-07
申请号：US436951
申请日：1989-11-15
申请人： Tsukasa Yamashita , Nobuhisa Inoue , Shiro Ogata , Mitsutaka Katoh , Masaharu Matano , Kazuhiko Mori , Isao Taguchi
发明人： Tsukasa Yamashita , Nobuhisa Inoue , Shiro Ogata , Mitsutaka Katoh , Masaharu Matano , Kazuhiko Mori , Isao Taguchi
CPC分类号： G11B7/1374 , G02B6/34 , G02B6/42 , G11B11/10532 , G11B11/10556 , G11B11/10576 , G11B7/08 , G11B7/08547 , G11B7/0901 , G11B7/0917 , G11B7/1245 , G11B7/1384 , G02B6/4207
摘要： A device for processing optical data comprising:an optical waveguide formed on a substrate,a light source for the laser beam to be admitted into the waveguide,lens means provided on the waveguide for causing the beam propagating through the waveguide to emerge obliquely upward and focusing the emergent beam two-dimensionally,means for receiving the beam reflected obliquely from above,a base provided with the laser light source, the substrate and the light receiving means,a focusing drive mechanism for adjusting the position of the base upward or downward, anda tracking drive mechanism for adjusting the position of the base laterally.
摘要翻译： 一种用于处理光学数据的设备，包括：形成在基板上的光波导，用于激光束入射到波导中的光源，设置在波导上的透镜装置，用于使通过波导传播的光束向上倾斜向上出射并聚焦 出射光束二维地，用于接收从上方倾斜反射的光束的装置，设置有激光光源的基板，基板和光接收装置，用于向上或向下调节基座的位置的聚焦驱动机构，以及 跟踪驱动机构，用于横向地调整基座的位置。
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4.发明授权Two dimensional light beam deflectors utilizing thermooptical effect and method of using same 失效利用光学效应的二维光束偏转器及其使用方法
公开(公告)号：US4762383A
公开(公告)日：1988-08-09
申请号：US818915
申请日：1986-01-15
CPC分类号： G02F1/295 , G02F1/335 , G02F1/0147 , G02F2201/305
摘要： A two-dimensional light beam deflector for deflecting a light beam by a first deflector in a direction parallel to the plane of a thin film optical waveguide formed on a substrate, and also for deflecting the light beam, already deflected once by said first deflector, in a direction perpendicular to the plane of said thin film optical waveguide by a second deflector.
摘要翻译： 一种二维光束偏转器，用于通过第一偏转器在平行于形成在基板上的薄膜光波导的平面的方向上偏转光束，并且还用于使已经被所述第一偏转器一次偏转的光束偏转， 在通过第二偏转器垂直于所述薄膜光波导的平面的方向上。
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5.发明授权
公开(公告)号：US4737946A
公开(公告)日：1988-04-12
申请号：US772162
申请日：1985-09-03
申请人： Tsukasa Yamashita , Nobuhisa Inoue , Shiro Ogata , Mitsutaka Katoh , Masaharu Matano , Kazuhiko Mori , Isao Taguchi
发明人： Tsukasa Yamashita , Nobuhisa Inoue , Shiro Ogata , Mitsutaka Katoh , Masaharu Matano , Kazuhiko Mori , Isao Taguchi
IPC分类号： G02B6/34 , G02B6/42 , G11B7/08 , G11B7/085 , G11B7/09 , G11B7/12 , G11B7/135 , G11B11/105 , G11B21/10 , G11B7/00
CPC分类号： G11B7/1374 , G02B6/34 , G02B6/42 , G11B11/10532 , G11B11/10556 , G11B11/10576 , G11B7/08 , G11B7/08547 , G11B7/0901 , G11B7/0917 , G11B7/1245 , G11B7/1384 , G02B6/4207
摘要： A device for processing optical data comprising:an optical waveguide formed on a substrate,a light source for the laser beam to be admitted into the waveguide,lens means provided on the waveguide for causing the beam propagating through the waveguide to emerge obliquely upward and focusing the emergent beam two-dimensionally,means for receiving the beam reflected obliquely from above,a base provided with the laser light source, the substrate and the light receiving means,a focusing drive mechanism for adjusting the position of the base upward or downward, anda tracking drive mechanism for adjusting the position of the base laterally.
摘要翻译： 一种用于处理光学数据的设备，包括：形成在基板上的光波导，用于激光束入射到波导中的光源，设置在波导上的透镜装置，用于使通过波导传播的光束向上倾斜向上出射并聚焦 出射光束二维地，用于接收从上方倾斜反射的光束的装置，设置有激光光源的基板，基板和光接收装置，用于向上或向下调节基座的位置的聚焦驱动机构，以及 跟踪驱动机构，用于横向地调整基座的位置。
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公开(公告)号：US4604707A
公开(公告)日：1986-08-05
申请号：US471728
申请日：1983-03-03
摘要： An optical comparator for comparing, bit by bit, corresponding bits of two optical digital signals which are identical in the number of constituent optical bit signals, includes an optical waveguide layer made of an acousto-optical material. A surface acoustic wave generator generates a surface acoustic wave propagating on the waveguide layer, and a photocoupler directs the constituent bit signals to be of the two optical digital signals incident on the waveguide layer so as to satisfy the Bragg diffraction condition with respect to the surface acoustic wave propagating on the waveguide layer. A photosensor detects diffracted light and/or undiffracted light which has passed through a surface acoustic wave interaction region. The position of the generator and/or the surface acoustic wave generating timing is so determined that initiation or cessation of the interaction of the surface acoustic wave with a bit of one of the optical digital signals is simultaneous with initiation or cessation of the wave interaction with a corresponding bit of the other optical bit signal.
摘要翻译： 用于比较各组成光位信号数目相同的两个光数字信号的相应位的光比较器包括由声光材料制成的光波导层。 表面声波发生器产生在波导层上传播的表面声波，光耦合器将入射在波导层上的两个光数字信号的构成位信号引导为相对于表面满足布拉格衍射条件 在波导层上传播的声波。 光传感器检测已经通过表面声波相互作用区域的衍射光和/或未衍射光。 发电机和/或表面声波产生定时的位置被确定为表面声波与光学数字信号之一的位的相互作用的启动或停止与波形相互作用的起始或停止同时发生 另一个光学位信号的相应位。
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公开(公告)号：US4763973A
公开(公告)日：1988-08-16
申请号：US832732
申请日：1986-02-25
CPC分类号： G01D5/35383
摘要： A plurality of modulating elements are provided on a substrate to modulate the intensity of input light in dependence upon an applied physical quantity. Intensity-modulated output optical signals from these plural modulating elements propagate in parallel along the substrate. These parallel optical signals are successively diffracted by a pulsed surface acoustic wave, and the diffracted light is then focused. Since parallel optical signals from a plurality of modulating elements can thus be converted into a serial optical signal, the signal can be transmitted by a single optical fiber.
摘要翻译： 多个调制元件设置在基板上，以根据所施加的物理量来调制输入光的强度。 来自这些多个调制元件的强度调制输出光信号沿衬底并行传播。 这些平行光信号被脉冲表面声波相继衍射，然后聚焦衍射光。 由于来自多个调制元件的并行光信号因此可以被转换为串行光信号，所以该信号可以通过单个光纤传输。
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8.发明授权
公开(公告)号：US5111447A
公开(公告)日：1992-05-05
申请号：US548203
申请日：1990-07-05
CPC分类号： G11B7/0917 , G11B7/08547 , G11B7/1245
摘要： A photo-pickup wherein a light emitting portion, a surface acoustic wave generating portion, a lens portion, a light receiving portion and a control portion are integrally integrated on a base plate formed on its surface with a light transmission path. The light emitting portion propagates a light beam to the light transmission path. The light beam propagating in the light transmission path is first deflected within a plane of the light transmission path by surface acoustic wave propagating on the light transmission path and propagated towards the lens portion. The lens portion is provided to project the light beam outside from the light transmission path and effect two-dimentional focusing of the projected beam and adjustment of focal position. The light receiving portion comprises a combination of a plurality of light receiving elements disposed at suitable intervals from the projected position of the light beam to receive a reflected light of the light beam. The control portion is provided to receive an output of the light receiving portion to process a signal and supply said control signal to the surface acoustic wave generating portion and lens portion, thereby effecting the control of deflection angle of the light beam, two-dimensional focusing of the projected beam and control of focal position.
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9.发明授权Parallel-to-serial conversion of optical data using acousto-optical diffraction 失效使用声光衍射的光学数据的并行到串行转换
公开(公告)号：US4595253A
公开(公告)日：1986-06-17
申请号：US716605
申请日：1985-03-27
CPC分类号： G02F1/335
摘要： A plurality of incident light beams are parallelly propagated in a thin film optical waveguide. Simultaneously, a surface acoustic wave is propagated in said thin film optical waveguide, and the plurality of incident light beams are selectively successively guided to a light output part by the acousto-optic effect of said by Bragg diffraction. The diffraction light beams are serially output. In this way optical data parallelly input are directly converted into optical data in a serial state.
摘要翻译： 多个入射光束在薄膜光波导中平行传播。 同时，在所述薄膜光波导中传播表面声波，并且通过所述布拉格衍射的声光效应将多个入射光束选择性地连续地引导到光输出部分。 衍射光束被串联输出。 以这种方式，并行输入的光学数据被直接转换为串行状态的光学数据。
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公开(公告)号：US4532632A
公开(公告)日：1985-07-30
申请号：US403819
申请日：1982-07-30
IPC分类号： H01L41/08 , H01S3/02 , H01S3/06 , H01S3/105 , H01S3/106 , H01S5/00 , H01S5/02 , H01S5/042 , H01S5/06 , H01S5/0625 , H01S5/125 , H01S5/40 , H04B10/27 , H04B10/272 , H04Q3/52 , H01S3/19
CPC分类号： H01S3/1055 , H01S5/125 , H01S5/4031 , H01S5/0425 , H01S5/0607 , H01S5/06256 , H01S5/1234
摘要： A tunable semiconductor laser has an active layer, an insulating film made of a piezoelectric material and formed on a portion of the active layer, and an interdigital transducer provided on the insulating film for generating a surface acoustic wave. The laser oscillation wavelength is variable by varying the wavelength of the surface acoustic wave generated by the transducer. When adapted to produce surface acoustic waves of different frequencies at different locations, the transducer affords an enlarged tunable wavelength band. A plurality of Gunn diodes effecting oscillation at different frequencies are usable in place of the transducer.
摘要翻译： 可调谐半导体激光器具有有源层，由压电材料制成并形成在有源层的一部分上的绝缘膜，以及设置在绝缘膜上用于产生表面声波的叉指换能器。 通过改变由换能器产生的表面声波的波长，激光振荡波长是可变的。 当适应于在不同位置产生不同频率的表面声波时，换能器提供可扩展的可调波长带。 可以使用在不同频率下实现振荡的多个耿氏二极管代替换能器。
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