公开(公告)号：US4800519A

公开(公告)日：1989-01-24

申请号：US836675

申请日：1986-03-05

申请人： Jan Grinberg ,  Yuri Owechko ,  Bernard H. Soffer ,  Emanuel Marom

发明人： Jan Grinberg ,  Yuri Owechko ,  Bernard H. Soffer ,  Emanuel Marom

IPC分类号： G02F1/05 ,  G02F1/13 ,  G02F3/00 ,  G06E1/00 ,  G06E3/00 ,  G06F7/53 ,  G06G9/00 ,  G02F1/03 ,  G02F1/133

CPC分类号： G06E3/005

摘要： Optical data processing systems are described for processing four NxN matrices A, B, C, D to calculate the expression CA.sup.-1 B+D. Multi-cell spatial light modulators are employed in conjunction with control circuits to perform matrix inversion, multiplication and addition.

摘要翻译： 描述了用于处理四个N×N矩阵A，B，C，D的光学数据处理系统，以计算表达式CA-1B + D。 多单元空间光调制器与控制电路结合使用以执行矩阵求逆，乘法和相加。

公开(公告)号：US4750153A

公开(公告)日：1988-06-07

申请号：US821237

申请日：1986-01-22

申请人： Yuri Owechko ,  Emanuel Marom ,  Bernard H. Soffer ,  Gilmore J. Dunning

发明人： Yuri Owechko ,  Emanuel Marom ,  Bernard H. Soffer ,  Gilmore J. Dunning

IPC分类号： G06N3/067 ,  G11C13/04 ,  G11C15/00 ,  G03H1/02

CPC分类号： G11C13/042 ,  G06N3/067 ,  G11C15/00

摘要： Associative holography memory apparatus is disclosed which employs a hologram, two phase conjugate mirrors, and a two-wave mixing contra-directional coherent image amplifier. The mirrors and amplifier are arranged to form a conjugate resonator whereby the output image from the apparatus tends to converge to that stored image most closely associated with an input image. Alternate embodiments are described which employ a multiple storage and erasure hologram, and which employ only a single phase conjugate mirror.

摘要翻译： 公开了使用全息图，双相共轭反射镜和双波混合对向相干图像放大器的关联全息存储装置。 反射镜和放大器被布置成形成共轭谐振器，由此来自设备的输出图像倾向于会聚到与输入图像最紧密相关联的存储图像。 描述了采用多重存储和擦除全息图并且仅使用单相共轭反射镜的替代实施例。

公开(公告)号：US4739496A

公开(公告)日：1988-04-19

申请号：US786884

申请日：1985-10-11

申请人： Emanuel Marom ,  Bernard H. Soffer ,  Yuri Owechko ,  Gilmore J. Dunning ,  David M. Pepper ,  Marvin B. Klein ,  Richard C. Lind

发明人： Emanuel Marom ,  Bernard H. Soffer ,  Yuri Owechko ,  Gilmore J. Dunning ,  David M. Pepper ,  Marvin B. Klein ,  Richard C. Lind

IPC分类号： G06N3/067 ,  G11C15/00 ,  G11C13/04 ,  G03H1/02

CPC分类号： G06N3/067 ,  G11C15/00

摘要： Associative holography memory apparatus is disclosed which employs a hologram and two phase conjugate mirrors. The mirrors are arranged to form a conjugate resonator whereby the output image from the apparatus tends to converge to that stored image most closely associated with an input image. Alternate embodiments are described which employ a multiple storage and erasure hologram, and which employ only a single phase conjugate mirror.

摘要翻译： 公开了使用全息图和两相共轭反射镜的关联全息记录装置。 反射镜被布置成形成共轭谐振器，由此来自设备的输出图像倾向于会聚到与输入图像最紧密相关联的存储图像。 描述了采用多重存储和擦除全息图并且仅使用单相共轭反射镜的替代实施例。

公开(公告)号：US4888724A

公开(公告)日：1989-12-19

申请号：US181799

申请日：1988-04-15

申请人： Emanuel Marom ,  Yuri Owechko ,  Bernard H. Soffer

发明人： Emanuel Marom ,  Yuri Owechko ,  Bernard H. Soffer

IPC分类号： G02F3/00 ,  G06E3/00

CPC分类号： G06E3/005

摘要： Optical analog data processing systems are described for handling both bipolar and complex data. Multi-cell spatial light modulators are employed in which a plurality of modulation areas are used in conjunction with space and time mutliplexed configurations to process bipolar and complex data elements. Multi-cell light detector arrays are used to convert modulated light into signals representing the processed data. The processing systems are capable of real time processing of synthetic aperture radar data.

摘要翻译： 描述了用于处理双极和复杂数据的光学模拟数据处理系统。 使用多单元空间光调制器，其中多个调制区域与空间和时间多路复用配置结合使用以处理双极和复数数据元素。 多单元光检测器阵列用于将调制的光转换成表示处理数据的信号。 处理系统能够对合成孔径雷达数据进行实时处理。

公开(公告)号：US5151814A

公开(公告)日：1992-09-29

申请号：US673175

申请日：1991-03-18

申请人： Jan Grinberg ,  Thomas R. O'Meara ,  Yuri Owechko ,  Melvin E. Pedinoff ,  Bernard H. Soffer

发明人： Jan Grinberg ,  Thomas R. O'Meara ,  Yuri Owechko ,  Melvin E. Pedinoff ,  Bernard H. Soffer

IPC分类号： G02F1/1343 ,  G02F1/1347 ,  G02F1/139 ,  G02F1/29

CPC分类号： G02B27/0087 ,  G02F1/292 ,  G02F1/134336 ,  G02F1/1347 ,  G02F1/1393 ,  G02F2203/01 ,  G02F2203/02 ,  G02F2203/24

摘要： An optical beam scanner incorporating an array of beam deflection elements commonly controlled to steer an optical beam impingent on the array is described. The beam steering elements are arranged in the array as individually controlled elements and the deflection of the beam is accomplished by setting the phase tilt and the phase offset of each element according to a calculation which removes modulo 2.pi. phase shift from the required position relative to a flat plane. Thus, the array elements can be thin and need only supply about 2 radians of phase shift. These elements may be incorporated in a planar array using beam deflection elements such as liquid crystal beam deflectors by choosing a drive scheme representing either a blazed array or a flat piston array. Operation may be designed for a large range of light wavelengths and the system may efficiently accommodate a combination of the blazed and flat piston techniques to obtain beam deflection characteristics otherwise unavailable by the exclusive use of each individual technique. By use of the liquid crystal phased array approach, rapid, high accuracy, large area beam deflection is possible without the necessity of any moving parts and with low power drive requirements. Phased arrays of the type described above may be arranged in successive parallel planes with a common beam axis to provide two-dimensional beam deflection.

摘要翻译： 描述了一种光束扫描器，其包括通常被控制以引导照射在阵列上的光束的光束偏转元件阵列。 光束操纵元件作为独立控制的元件布置在阵列中，并且通过根据计算来设置每个元件的相位倾斜和相位偏移来实现光束的偏转，该计算从相对于所需位置移除模2π相移 平面飞机 因此，阵列元件可以是薄的，并且仅需要提供约2弧度的相移。 通过选择表示闪耀阵列或平坦活塞阵列的驱动方案，这些元件可以使用诸如液晶束偏转器的光束偏转元件并入平面阵列中。 操作可以设计用于大范围的光波长，并且系统可以有效地适应闪耀和平坦活塞技术的组合以获得否则不能通过各自独占技术的独占使用而获得光束偏转特性。 通过使用液晶相位阵列方法，可以快速，高精度，大面积的光束偏转，而不需要任何移动部件和低功率驱动要求。 上述类型的相控阵列可以布置在具有共同波束轴的连续平行平面中，以提供二维波束偏转。

公开(公告)号：US4937539A

公开(公告)日：1990-06-26

申请号：US420661

申请日：1989-10-10

申请人： Jan Grinberg ,  Thomas R. O'Meara ,  Yuri Owechko ,  Melvin E. Pedinoff ,  Bernard H. Soffer

发明人： Jan Grinberg ,  Thomas R. O'Meara ,  Yuri Owechko ,  Melvin E. Pedinoff ,  Bernard H. Soffer

IPC分类号： G02F1/1343 ,  G02F1/1347 ,  G02F1/139 ,  G02F1/29

CPC分类号： G02B27/0087 ,  G02F1/292 ,  G02F1/134336 ,  G02F1/1347 ,  G02F1/1393 ,  G02F2203/01 ,  G02F2203/02 ,  G02F2203/24

摘要： An optical beam scanner incorporating an array of beam deflection elements commonly controlled to steer an optical beam impingent on the array is described. The beam steering elements are arranged in the array as individually controlled elements and the deflection of the beam is accomplished by setting the phase tilt and the phase offset of each element according to a calculation which removes modulo 2.pi. phase shift from the required position relative to a flat plane. Thus, the array elements can be thin and need only supply about 2 radians of phase shift. These elements may be incorporated in a planar array using beam deflection elements such as liquid crystal beam deflectors by choosing a drive scheme representing either a blazed array or a flat piston array. Operation may be designed for a large range of light wavelengths and the system may efficiently accommodate a combination of the blazed and flat piston techniques to obtain beam deflection characteristics otherwise unavailable by the exclusive use of each individual technique. By use of the liquid crystal phased array approach, rapid, high accuracy, large area beam deflection is possible without the necessity of any moving parts and with low power drive requirements. Phased arrays of the type described above may be arranged in successive parallel planes with a common beam axis to provide two-dimensional beam deflection.

公开(公告)号：US4871232A

公开(公告)日：1989-10-03

申请号：US130032

申请日：1987-12-07

申请人： Jan Grinberg ,  Emanuel Marom ,  Bernard H. Soffer ,  Thomas R. O'Meara ,  Adrian E. Popa

发明人： Jan Grinberg ,  Emanuel Marom ,  Bernard H. Soffer ,  Thomas R. O'Meara ,  Adrian E. Popa

IPC分类号： G01R23/17

CPC分类号： G01R23/17

摘要： A high frequency spectral analysis system and method operates by modulating an optical beam with a high frequency signal to be analyzed, and sampling the beam simultaneously at periodically spaced locations along its length. The sampled portions are then focused to a spectral mapping. In the preferred embodiment a beam is directed in a zigzag pattern through a plate, one surface of which is totally reflective and the opposite surface of which is partially reflective. Periodic parallel samples are obtained from the minor portions of the beam which are transmitted out of the plate through the partially reflective surface. The totally reflective surface is preferably formed as a series of cylindrical surfaces which focus the beam to small spots at the partially reflective surface, thereby permitting a higher spatial density of samples without overlapping. The plate thickness is selected so that the beam is sampled at the Nyquist rate for the highest frequency contained in the signal of interest.

摘要翻译： 高频谱分析系统和方法通过用待分析的高频信号调制光束并且沿其长度在周期性间隔的位置同时采样光束来操作。 然后将采样的部分聚焦到光谱映射。 在优选实施例中，光束以锯齿形图案通过板，其一个表面是完全反射的，其相对表面是部分反射的。 从束的少部分获得周期性的平行样品，其通过部分反射表面从板上传出。 全反射表面优选地形成为将光束聚焦在部分反射表面处的小斑点的一系列圆柱形表面，从而允许更高的样品空间密度而不重叠。 选择板厚度使得以包含在感兴趣信号中的最高频率的奈奎斯特速率采样波束。

公开(公告)号：US4958914A

公开(公告)日：1990-09-25

申请号：US198018

申请日：1988-05-24

申请人： Yuri Owechko ,  Bernard H. Soffer

发明人： Yuri Owechko ,  Bernard H. Soffer

IPC分类号： G02F1/135 ,  G02F1/29

CPC分类号： G02F1/135 ,  G02F1/292

摘要： A light deflector apparatus and method is disclosed which provides an optical intensity-to-position mapping as well as optical switching capabilities. An array of voltage gradient modules (24, 26, 28) are provided in a layer of electro-optic material (52), such as liquid crystals, by establishing variable spatial voltage gradients and accompanying electric fields in a direction transverse to input light (58). The voltage gradients are varied in accordance with the optical intensities at corresponding locations in the received light (58), resulting in optical outputs which vary in direction in accordance with the voltage gradient locations. The directional outputs are then focused to produce a positional mapping (64, 66, 68) of the input light intensities. The voltage gradients are preferably established by an interdigitated electrode array (50) and a counter electrode (54) on opposite sides of the liquid crystal (52). Reflective and transmissive light valve embodiments are described in which the voltage gradient modules form voltage dividers with an underlying photoconductive layer (56). A fiber optic switch is also described. Also described is a system in which the refractive indices of an array of small variable refraction modules are varied in accordance with the spatial optical intensities at corresponding locations in an input beam to produce as output, optical intensity-to-position mapping.

摘要翻译： 公开了一种光偏转器装置和方法，其提供光强度到位置映射以及光学切换能力。 通过在横向于输入光的方向上建立可变的空间电压梯度和伴随的电场，将电压梯度模块（24,26,28）的阵列设置在诸如液晶的电光材料层（52）中 58）。 电压梯度根据接收光（58）中对应位置处的光强度而变化，导致根据电压梯度位置在方向上变化的光输出。 然后将方向输出聚焦以产生输入光强度的位置映射（64,66,68）。 电压梯度优选通过在液晶（52）的相对侧上的叉指电极阵列（50）和对电极（54）来建立。 描述了反射和透射光阀实施例，其中电压梯度模块与下面的光电导层（56）形成分压器。 还描述了光纤开关。 还描述了一种系统，其中根据输入光束中的相应位置处的空间光学强度改变小可变折射模块阵列的折射率以产生作为输出光强度到位置映射的系统。

公开(公告)号：US4860253A

公开(公告)日：1989-08-22

申请号：US64979

申请日：1987-06-19

申请人： Yuri Owechko ,  Bernard H. Soffer

发明人： Yuri Owechko ,  Bernard H. Soffer

IPC分类号： G11C15/00

CPC分类号： G11C15/00

摘要： An associative memory system incorporating a hologram, a spatial light modulator (SLM) and thresholding components in a feedback loop to derive an enhanced reference beam for use in reconstructing a stored image. In a preferred embodiment, the SLM includes a liquid crystal light valve (LCLV). A polarizing thresholding analyzer device provides adjustable thresholding. An enhanced thresholded reference beam thereby derived is sent back to the hologram for readout and the stored image is reconstructed at the output plane of the system. In an alternative embodiment, two spatial light modulators and two feedback loops are provided in a resonator configuration.

摘要翻译： 包括全息图，空间光调制器（SLM）和反馈环路中的阈值分量的关联存储器系统以导出用于重建存储的图像的增强参考光束。 在优选实施例中，SLM包括液晶光阀（LCLV）。 极化阈值分析仪器提供可调整的阈值。 由此导出的增强阈值参​​考光束被发送回全息图用于读出，并且在系统的输出平面处重建存储的图像。 在替代实施例中，在谐振器配置中提供两个空间光调制器和两个反馈环路。

公开(公告)号：US4686647A

公开(公告)日：1987-08-11

申请号：US645573

申请日：1984-08-29

申请人： Bernard H. Soffer ,  Uzi Efron ,  Emanuel Marom

发明人： Bernard H. Soffer ,  Uzi Efron ,  Emanuel Marom

IPC分类号： G06E3/00 ,  G06G9/00

CPC分类号： G06E3/005

摘要： Apparatus for performing a division of a dividend intensity array by a divisor intensity array on a pixel-by-pixel basis, to yield a quotient intensity array, wherein optical feedback principles are utilized in conjunction with two spatial radiation modulators, so that analog division is achieved. Specifically, a fraction of the output array of a first spatial radiation modulator is provided as the readout array to a second spatial radiation modulator, whose input is the divisor intensity array. The output array of the second image converter is then added to the dividend array and provided as the input to the first spatial radiation modulator, whereupon the output of the first spatial radiation modulator is the pixel-by-pixel quotient array resulting from division of the dividend array by the divisor array.

摘要翻译： 用于通过除数强度阵列逐像素地执行除数强度阵列的划分的装置，以产生商强度阵列，其中光学反馈原理与两个空间辐射调制器结合使用，使得模拟除法 实现了 具体地，第一空间辐射调制器的输出阵列的一部分作为读出阵列被提供给第二空间辐射调制器，其第二空间辐射调制器的输入是除数强度阵列。 然后将第二图像转换器的输出阵列添加到除数阵列，并作为第一空间辐射调制器的输入提供，由此第一空间辐射调制器的输出是逐个像素商数组， 除数数组的除数数组。