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    SYSTEM FOR DETERMINING AT LEAST ONE PROPERTY OF A SHEET DIELECTRIC SAMPLE USING TERAHERTZ RADIATION
    21.
    发明专利
    SYSTEM FOR DETERMINING AT LEAST ONE PROPERTY OF A SHEET DIELECTRIC SAMPLE USING TERAHERTZ RADIATION 未知

    公开(公告)号：CA2930466C

    公开(公告)日：2022-04-05

    申请号：CA2930466

    申请日：2014-11-14

    Applicant: PICOMETRIX LLC

    Inventor： ZIMDARS DAVID ,  WHITE JEFFREY S ,  WILLIAMSON STEVEN ,  DULING IRL

    IPC: G01J11/00 ,  G01J3/42 ,  G01N9/24 ,  G01N21/41

    Abstract: A system for determining at least one property of a sheet dielectric sample using terahertz radiation includes at least one terahertz transmitter configured to output a pulse of terahertz radiation, a terahertz receiver configured to receive at least a portion of the pulse of terahertz radiation, wherein the terahertz receiver is configured to output a measured waveform based on the terahertz radiation received by the terahertz receiver, and a control unit in communication with the terahertz receiver. Wherein the control unit is configured to choose at least one region of interest of the measured waveform, compare the at least one region of interest of the measured waveform to a model waveform, vary at least one parameter of a model waveform to minimize the difference between the model waveform and the measured waveform.

    SYSTEM AND METHOD REDUCING FIBER STRETCH INDUCED TIMING ERRORS IN FIBER OPTIC COUPLED TIME DOMAIN TERAHERTZ SYSTEMS
    22.
    发明专利
    SYSTEM AND METHOD REDUCING FIBER STRETCH INDUCED TIMING ERRORS IN FIBER OPTIC COUPLED TIME DOMAIN TERAHERTZ SYSTEMS 未知

    公开(公告)号：CA2759983C

    公开(公告)日：2017-06-06

    申请号：CA2759983

    申请日：2010-04-27

    Applicant: PICOMETRIX LLC

    Inventor： ZIMDARS DAVID

    IPC: H04B10/2507

    Abstract: A system for reducing effects relating to stretching of an optical fiber includes an optical control source, the optical source outputting an optical signal, a terahertz transmitter and receiver both being optically coupled to the optical source, and a means for providing the optical signal to both the terahertz transmitter and terahertz receiver such that the terahertz receiver is synchronized to the terahertz transmitter by the optical signal. The means prevents the stretching of an fiber carrying the optical signal provided to the terahertz transmitter or terahertz receiver or allows for the stretching an optical fiber such that the terahertz receiver will still be synchronized to the terahertz transmitter by the optical signal.

    SYSTEM AND METHOD TO DETECT ANOMALIES
    24.
    发明专利
    SYSTEM AND METHOD TO DETECT ANOMALIES 未知

    公开(公告)号：CA2868355A1

    公开(公告)日：2013-09-26

    申请号：CA2868355

    申请日：2013-03-25

    Applicant: PICOMETRIX LLC

    Inventor： ZIMDARS DAVID

    IPC: G01S17/88 ,  G01S13/88

    Abstract: A system and method for detecting anomalies concealed upon a person may include a detection probe having an electromagnetic transmitter and an electromagnetic receiver. The electromagnetic transmitter is configured to emit electromagnetic pulses, while the electromagnetic receiver is configured to sample electromagnetic pulses from the electromagnetic receiver at specified times within a waveform window. The electromagnetic pulses may span the terahertz spectral region of 0.04 to 4 THz. The system may also have optical fibers connected to the electromagnetic transmitter and electromagnetic receiver, wherein femtosecond laser pulses are directed from a source to the electromagnetic transmitter and the electromagnetic receiver by the optical fibers.

    SYSTEM AND METHOD FOR DETECTION AND MEASUREMENT OF INTERFACIAL PROPERTIES IN SINGLE AND MULTILAYER OBJECTS
    25.
    发明专利
    SYSTEM AND METHOD FOR DETECTION AND MEASUREMENT OF INTERFACIAL PROPERTIES IN SINGLE AND MULTILAYER OBJECTS 未知

    公开(公告)号：CA2777381A1

    公开(公告)日：2011-04-21

    申请号：CA2777381

    申请日：2010-10-13

    Applicant: PICOMETRIX LLC

    Inventor： WHITE JEFFREY S ,  FICHTER GREGORY D ,  DULING IRL ,  ZIMDARS DAVID

    IPC: G01N19/04

    Abstract: A system for determining a material property at an interface between a first layer and a second layer includes a transmitter outputting electromagnetic radiation to the sample, a receiver receiving electromagnetic radiation that was reflected by or transmitted though the sample, and a data acquisition device. The data acquisition device is configured to digitize the electromagnetic radiation reflected by or transmitted though the sample to yield waveform data, wherein the waveform data represents the radiation reflected by or transmitted though the sample, the waveform data having a first magnitude, a second magnitude and a third magnitude. The material property to be determined is generally the adhesive strength between the first and second layers.

    26.
    发明专利
    未知

    公开(公告)号：AT443248T

    公开(公告)日：2009-10-15

    申请号：AT05803742

    申请日：2005-09-30

    Applicant: PICOMETRIX LLC

    Inventor： WILLIAMSON STEVEN ,  CHERNOVSKY ARTUR ,  WOLTER KLAUS ,  ZIMDARS DAVID

    IPC: G01J9/02 ,  G02B26/12

    Abstract: A system for varying a delay of an optical beam has a rotatable wheel and a set of one or more prisms mounted about a circumference of the rotatable wheel. The set of one or more prisms are positioned to retroreflect the optical beam that passes approximately tangent to the rotatable wheel to cause a delay or phase shift to the beam as the rotatable wheel rotates.

    DISPERSION AND NONLINEAR COMPENSATOR FOR OPTICAL DELIVERY FIBER
    29.
    发明公开
    DISPERSION AND NONLINEAR COMPENSATOR FOR OPTICAL DELIVERY FIBER 有权
    分散和不分层NICHT LINEARER KOMPENSATORFÜREINEN LICHTWELLENLEITER

    公开(公告)号：EP2025077A4

    公开(公告)日：2009-08-05

    申请号：EP07798007

    申请日：2007-06-01

    Applicant: PICOMETRIX LLC

    Inventor： FICHTER GREG ,  SUCHA GREGG ,  ZIMDARS DAVID ,  WILLIAMSON STEVEN

    IPC: H04B10/00

    CPC classification number: H04B10/2513

    Abstract: A system for dispersion compensation in a terahertz system includes an optical fiber configured to transmit an optical pulse, a compensator optically coupled to the optical fiber, the compensator configured to compensate for a dispersion of the optical pulse caused as the optical pulse propagates through the optical fiber, and an optically induced terahertz device optically coupled to the compensator, whereby the optically induced terahertz device is configured to transmit or receive terahertz radiation.

    Abstract translation: 一种用于太赫兹系统中的色散补偿的系统，包括：光纤，被配置为传输光脉冲;光学耦合到光纤的补偿器，补偿器被配置为补偿当光脉冲传播通过光学器件时引起的光脉冲的色散 光纤以及光耦合到补偿器的光诱导太赫兹器件，由此光诱导太赫兹器件被配置为发射或接收太赫兹辐射。

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