公开(公告)号：US08019556B2

公开(公告)日：2011-09-13

申请号：US12539484

申请日：2009-08-11

Applicant: Isaac Shpantzer ,  Yaakov Achiam ,  Nadejda Reingand

Inventor： Isaac Shpantzer ,  Yaakov Achiam ,  Nadejda Reingand

IPC: G01T1/00 ,  G01J3/45

CPC classification number: G01T1/167 ,  G01J3/4338 ,  G01N21/171 ,  G01N21/39 ,  G01N21/65 ,  G01N2021/655 ,  G01V5/0016

Abstract: A method and system for nuclear substance revealing using muon detection technique is presented. In some aspects, naturally occurred muons are selected from the flow of charged particles. Muon coordinate and incidence angle measured above and below the interrogated volume can be used for the decision making on the presence of nuclear substance inside the volume. The system is adapted for performing measurements on moving objects such as moving trucks. A combination of the nuclear substance detection system with an explosive sensing system is presented.

Abstract translation: 提出了一种使用muon检测技术进行核物质揭示的方法和系统。 在一些方面，天然发生的μ子选自带电粒子的流动。 在询问体积之上和之下测量的Muon坐标和入射角可用于决定体内核物质的存在。 该系统适于对诸如移动卡车的移动物体进行测量。 介绍了核物质检测系统与爆炸传感系统的结合。

公开(公告)号：US08009294B2

公开(公告)日：2011-08-30

申请号：US12361664

申请日：2009-01-29

Applicant: Isaac Shpantzer ,  Jacob Khurgin ,  Arkady Kaplan ,  Pak Shing Cho ,  Yaakov Achiam

Inventor： Isaac Shpantzer ,  Jacob Khurgin ,  Arkady Kaplan ,  Pak Shing Cho ,  Yaakov Achiam

IPC: G01B9/02 ,  G01J3/45

CPC classification number: G01J3/02 ,  G01J3/0205 ,  G01J3/0218 ,  G01J3/45 ,  G01J9/04 ,  G01N21/171 ,  G01N21/636 ,  G01N21/65 ,  G01N2021/1793 ,  G01N2021/655 ,  G02B26/06

Abstract: A photo-thermal, interferometric spectroscopy system is disclosed that provides information about a chemical, such as explosives and the like, at a remote location. It may be used for solid residue detection on a surface. The system includes a novel light detector system with a matrix of optical elements focusing portions of a received light beam on input waveguides of an optical combiner. The combiner adjusts the phases of the received beam portions and combines them together to maximize the intensity of an output beam. The output beam is detected by a detector, and information about at least one of, absorption spectrum and concentration of the chemical is recovered. In the preferred embodiment the detector is a coherent detector based on 90-degrees optical hybrid.

Abstract translation: 公开了一种光热干涉光谱系统，其在远程位置提供关于化学物质（例如爆炸物等）的信息。 它可用于表面上的固体残留物检测。 该系统包括具有光学元件矩阵的新型光检测器系统，将接收光束的部分聚焦在光合并器的输入波导上。 组合器调整接收的光束部分的相位并将它们组合在一起以最大化输出光束的强度。 输出光束由检测器检测，并且回收关于化学物质的吸收光谱和浓度中的至少一个的信息。 在优选实施例中，检测器是基于90度光学混合的相干检测器。

公开(公告)号：US20110170690A1

公开(公告)日：2011-07-14

申请号：US13070719

申请日：2011-03-24

Applicant: Isaac Shpantzer

Inventor： Isaac Shpantzer

IPC: H04J14/06 ,  H04J14/00 ,  H04K1/00

CPC classification number: H04B10/60 ,  G02F2001/212 ,  H04B10/11 ,  H04B10/548 ,  H04B10/614 ,  H04B10/63 ,  H04B10/64 ,  H04J14/02 ,  H04J14/0227 ,  H04J14/0257 ,  H04J14/0298 ,  H04J14/06 ,  H04L9/0858 ,  H04L27/0008 ,  H04L27/2604 ,  H04L27/2637 ,  H04L27/2697

Abstract: The invention provides a system and method for secure communication that involve encoding and transmitting an optical orthogonal frequency division multiplexed (OFDM) signal. Each subcarrier of an optical carrier in OFDM transmission is modulated with data individually, and a variety of data format are used, such as QPSK, OOK, QAM, etc. The data format of each subcarrier may change in time according to a predetermined pattern. An optical receiver uncovers the data transmitted via an optical link. It is based on a coherent optical receiver and a digital signal processing (DSP) unit. A key to the data mapping and change is transmitted via the same optical link or by a separate channel. In one embodiment, the key is transmitted using quantum encryption technique. Besides subcarrier modulation encoding, the system may provide additional layers of security: optical carrier frequency hopping and polarization scrambling.

Abstract translation: 本发明提供了一种用于安全通信的系统和方法，其涉及编码和发送光学正交频分复用（OFDM）信号。 OFDM传输中的光载波的每个子载波被单独调制，并且使用诸如QPSK，OOK，QAM等的各种数据格式。每个子载波的数据格式可以根据预定模式在时间上改变。 光接收器揭示通过光链路传输的数据。 它基于相干光接收机和数字信号处理（DSP）单元。 通过相同的光链路或单独的信道传输数据映射和改变的关键。 在一个实施例中，使用量子加密技术传输密钥。 除了副载波调制编码之外，系统可以提供额外的安全层：光载波跳频和偏振加扰。

公开(公告)号：US07961997B2

公开(公告)日：2011-06-14

申请号：US12389803

申请日：2009-02-20

Applicant: Pak Shing Cho ,  Jacob Khurgin ,  Isaac Shpantzer

Inventor： Pak Shing Cho ,  Jacob Khurgin ,  Isaac Shpantzer

IPC: G02B6/26 ,  H04B10/06

CPC classification number: H04B10/61

Abstract: An optical beam combiner is provided, which allows efficient collection of light for various applications: non-line of sight and free space optical communications, remote sensing, optical imaging and others. A multitude of optical beam portions is captured by a space diversity receiver that includes an optical beam combiner, which has a tree-like topology with interconnected waveguides, electro-optic phase shifters, and directional couplers. For each of the beam portions the phase of the phase shifter and the coupling ratio of coupler in the optical beam combiner are tuned sequentially to maximize the final output power in the final optical waveguide. A portion of the final output beam is used for the power detection and forming a feedback signal for the phases and coupling ratios adjustment. The data or information is recovered from the received final optical beam using coherent detection.

Abstract translation: 提供了一种光束组合器，其可以有效地收集用于各种应用的光：非视距和自由空间光通信，遥感，光学成像等。 多个光束部分由包括光束组合器的空间分集接收器捕获，光束组合器具有带有互连波导的树状拓扑结构，电光移相器和定向耦合器。 对于每个光束部分，顺序地调整移相器的相位和光束组合器中的耦合器的耦合比，以最大化最终光波导中的最终输出功率。 最终输出光束的一部分用于功率检测并形成用于相位和耦合比调节的反馈信号。 使用相干检测从所接收的最终光束中恢复数据或信息。

公开(公告)号：US07945174B2

公开(公告)日：2011-05-17

申请号：US12028121

申请日：2008-02-08

Applicant: Isaac Shpantzer ,  Nadejda Reingand ,  Aviv Salamon

Inventor： Isaac Shpantzer ,  Nadejda Reingand ,  Aviv Salamon

IPC: H04B10/06 ,  H04J14/00

CPC classification number: H04B10/5055 ,  G02F2001/212 ,  H04B10/11 ,  H04B10/516 ,  H04B10/61 ,  H04B10/613 ,  H04B10/614 ,  H04J14/005 ,  H04J14/02 ,  H04J14/06

Abstract: The invention provides a system and method for secure communication that involves encoding and transmitting an optical communications signal that is encoded based on a multi-dimensional encoding technique. This technique may include at least one or more of encoding a phase, a polarization, and a frequency of the signal. Light encoding is independent from its modulation with data. The data is modulated using any format; in the preferred embodiment the QPSK format is implemented. The encoded and modulated light is transmitted through free space or via a fiber optic network to a receiver, where the information is decoded. A coherent detection based on 90-degrees or 120-degrees optical hybrid is used to decode and recover the data from the received signal. Because the encoding of the transmitted light varies according to a specific pattern or sequence, one without knowledge of the transmission encoding sequence is prevented from decoding the transmitted information.

Abstract translation: 本发明提供一种用于安全通信的系统和方法，其涉及编码和发送基于多维编码技术编码的光通信信号。 该技术可以包括编码信号的相位，极化和频率中的至少一个或多个。 光编码与数据的调制无关。 使用任何格式调制数据; 在优选实施例中，实现了QPSK格式。 编码和调制的光通过自由空间或经由光纤网络传输到接收机，其中信息被解码。 使用基于90度或120度光混合的相干检测来从接收信号中解码和恢复数据。 由于发送光的编码根据特定模式或序列而变化，因此不会发送不知道发送编码序列的信息来解码发送的信息。

公开(公告)号：US20100028024A1

公开(公告)日：2010-02-04

申请号：US12028121

申请日：2008-02-08

Applicant: Isaac Shpantzer ,  Nadejda Reingand ,  Aviv Salamon

Inventor： Isaac Shpantzer ,  Nadejda Reingand ,  Aviv Salamon

IPC: H04B10/06

CPC classification number: H04B10/5055 ,  G02F2001/212 ,  H04B10/11 ,  H04B10/516 ,  H04B10/61 ,  H04B10/613 ,  H04B10/614 ,  H04J14/005 ,  H04J14/02 ,  H04J14/06

Abstract: The invention provides a system and method for secure communication that involves encoding and transmitting an optical communications signal that is encoded based on a multi-dimensional encoding technique. This technique may include at least one or more of encoding a phase, a polarization, and a frequency of the signal. Light encoding is independent from its modulation with data. The data is modulated using any format; in the preferred embodiment the QPSK format is implemented. The encoded and modulated light is transmitted through free space or via a fiber optic network to a receiver, where the information is decoded. A coherent detection based on 90-degrees or 120-degrees optical hybrid is used to decode and recover the data from the received signal. Because the encoding of the transmitted light varies according to a specific pattern or sequence, one without knowledge of the transmission encoding sequence is prevented from decoding the transmitted information.

Abstract translation: 本发明提供一种用于安全通信的系统和方法，其涉及编码和发送基于多维编码技术编码的光通信信号。 该技术可以包括编码信号的相位，极化和频率中的至少一个或多个。 光编码与数据的调制无关。 使用任何格式调制数据; 在优选实施例中，实现了QPSK格式。 编码和调制的光通过自由空间或经由光纤网络传输到接收机，其中信息被解码。 使用基于90度或120度光混合的相干检测来从接收信号中解码和恢复数据。 由于发送光的编码根据特定模式或序列而变化，因此不会发送不知道发送编码序列的信息来解码发送的信息。

公开(公告)号：US20090185810A1

公开(公告)日：2009-07-23

申请号：US12413161

申请日：2009-03-27

Applicant: Arkady Kaplan ,  Isaac Shpantzer

Inventor： Arkady Kaplan ,  Isaac Shpantzer

IPC: H04B10/04

CPC classification number: H04B10/613 ,  G02F1/225 ,  H04B10/61 ,  H04B10/611 ,  H04B10/614 ,  H04B10/6151

Abstract: An optical beam synthesizer formed on a single chip is provided. It allows M-PSK modulation for both beam polarizations. The synthesizer comprises an optical pulse shaper and two M-PSK modulators for each polarization. A single-chip-integrated analyzer is provided to receive a modulated data. Analyzer comprises a pulse shaper operating as an optical sampler and a pair of 90-degrees optical hybrids for each polarization. Each optical hybrids mix incoming portions of the modulated beams with portions of the local oscillator beams. Both the synthesizer and the analyzer include a set of mirrors located on the back and front surfaces of the chips to create compact designs. The output beams from the analyzer are detected by a set of balanced photodiodes, and the data is recovered. It is another object of the invention to provide a communication system for data transmission having the synthesizer and the analyzer.

Abstract translation: 提供了形成在单个芯片上的光束合成器。 它允许两个光束偏振的M-PSK调制。 合成器包括光脉冲整形器和用于每个极化的两个M-PSK调制器。 提供单芯片集成分析器来接收调制数据。 分析仪包括作为光学取样器操作的脉冲整形器和用于每个极化的一对90度光学混合器。 每个光混合器将调制波束的输入部分与本地振荡器波束的一部分相混合。 合成器和分析仪均包括位于芯片的背面和表面上的一组反射镜，以产生紧凑的设计。 来自分析仪的输出光束由一组平衡光电二极管检测，数据被恢复。 本发明的另一个目的是提供一种具有合成器和分析器的用于数据传输的通信系统。

公开(公告)号：US20090169221A1

公开(公告)日：2009-07-02

申请号：US12371249

申请日：2009-02-13

Applicant: Pak Shing Cho ,  Isaac Shpantzer ,  Jacob Khurgin

Inventor： Pak Shing Cho ,  Isaac Shpantzer ,  Jacob Khurgin

IPC: H04B10/06

CPC classification number: G02B6/1225 ,  B82Y20/00 ,  G02B6/2808 ,  H04B10/61

Abstract: An optical beam combiner is provided, which allows efficient collection of light for various applications: non-line of sight and free space optical communications, remote sensing, optical imaging and others. A multitude of transverse scattered optical beam portions is captured by the multi-aperture array positioned perpendicular to the beam projection direction. These beam portions are combined first into a single optical waveguide with minimal loss of power. This is achieved by modulating the beam portions phase and coupling ratio of couplers in the optical beam combiner tuned to maximize the final output power. The data is recovered from the received optical beam using coherent detection.

Abstract translation: 提供了一种光束组合器，其可以有效地收集用于各种应用的光：非视距和自由空间光通信，遥感，光学成像等。 多个横向散射光束部分被垂直于光束投影方向定位的多孔径阵列捕获。 这些光束部分首先组合成具有最小功率损失的单个光波导。 这是通过调制光束组合器中耦合器的光束部分相位和耦合比来调节的，以最大化最终输出功率来实现的。 使用相干检测从接收的光束恢复数据。

公开(公告)号：US20080310847A1

公开(公告)日：2008-12-18

申请号：US12137352

申请日：2008-06-11

Applicant: Isaac Shpantzer ,  Jacob Khurgin

Inventor： Isaac Shpantzer ,  Jacob Khurgin

IPC: H04B10/00

CPC classification number: H01L27/1446 ,  H01L31/0232 ,  H01L31/0304 ,  H04B10/1121 ,  H04B10/118

Abstract: A non-line of sight (NLOS) communications system and method are provided that implement orthogonal frequency, division multiplexing. A data generator produces a digital data stream, which is converted into M parallel frequency sub-carrier digital data streams (where M is an integer), each sub-carrier is encoded with data and an Inverse Fast Fourier Transform operation is applied, and an output signal is converted to an analog signal, which is imposed onto an optical beam generated by a light source. The beam is transmitted skywards at an elevation angle above the horizon in at least one direction. The beam is scattered due to Mie and Raleigh effects, forming a scattered waveform. At least a part of the scattered waveform is received by a receiver outputting an electrical signal, which enters a DSP unit. The DSP unit digitizes the electrical signal, performs Fourier transformation and recovers data from M sub-carrier signals.

Abstract translation: 提供了一种实现正交频分复用的非视线（NLOS）通信系统和方法。 数据生成器生成数字数据流，将其转换为M个并行频率副载波数字数据流（其中M为整数），每个子载波用数据编码，并应用快速傅里叶变换操作， 输出信号被转换成模拟信号，该模拟信号被施加到由光源产生的光束上。 光束在至少一个方向上以水平线上方的仰角向天空传播。 由于米和罗利效应，光束散射，形成散射波形。 散射波形的至少一部分由输入进入DSP单元的电信号的接收器接收。 DSP单元对电信号进行数字化，执行傅立叶变换，并从M个副载波信号中恢复数据。

公开(公告)号：US20080212970A1

公开(公告)日：2008-09-04

申请号：US11763130

申请日：2007-06-14

Applicant: Isaac Shpantzer

Inventor： Isaac Shpantzer

IPC: H04B10/00

CPC classification number: H01L27/1446

Abstract: A non-line of sight (NLOS) communications system and method are provided. An ensemble of photodetectors is used to collect the light, scattered in the sky being illuminated by initial pulsed laser beam carrying information. Each detector collects scattered light from one area in free space along the initial light propagation line. The same bit of information is detected multiple times on multiple detectors during the pulse transmission along its propagation path. Signals received by multiple detectors are synchronized and processed in a digital signal processing unit. Improved system sensitivity and reliability is achieved by multiple registration of the same bit of information. Special selection of the areas in free space ensures detection of a single bit of information during the time equal to a bit period.

Abstract translation: 提供非视线（NLOS）通信系统和方法。 光电检测器的集合被用于收集由初始脉冲激光束携带信息照亮的在天空中散射的光。 每个检测器从初始光传播线的自由空间中的一个区域收集散射光。 在沿着其传播路径的脉冲传输期间，在多个检测器上多次检测相同的信息位。 由多个检测器接收的信号在数字信号处理单元中被同步和处理。 通过对同一位信息的多次注册来提高系统灵敏度和可靠性。 在自由空间区域的特殊选择可确保在等待一段时间的时间内检测单个位信息。