公开(公告)号：CA2732300A1

公开(公告)日：2010-02-04

申请号：CA2732300

申请日：2009-07-31

Applicant: HONEYWELL ASCA INC

Inventor： DODGE STEVEN ,  HARAN FRANK MARTIN ,  JEZ DAVID ,  MOUSAVI PAYAM

IPC: G01N21/25 ,  G01B11/00

Abstract: An in-situ time domain spectroscopy (TDS)-based method (200) for non-contact characterization of properties of a sheet material while being produced by a manufacturing system (700). A time domain spectrometry system (100) and calibration data for the system (100) is provided. The calibration data includes data for transmitted power through or reflected power from the sheet material as a function of a moisture content of the sheet material. At least one pulse of THz or near THz radiation from a transmitter (111) is directed at a sample location on a sheet material sample (130) while being processed by the manufacturing system (700). Transmitted or reflected radiation associated with at least one transmitted or reflected pulse from the sample location is synchronously detected by a detector (110) to obtain the sample data. The sample data, which is coincident data, is processed together with the calibration data (207, 208, 209) to determine at least one, and generally a plurality of properties of the sheet material sample (130) selected from caliper, basis weight and moisture content.

公开(公告)号：WO2012024771A3

公开(公告)日：2012-11-29

申请号：PCT/CA2011000938

申请日：2011-08-19

Applicant: HONEYWELL ASCA INC ,  MOUSAVI PAYAM ,  DODGE STEVEN ,  HARAN FRANK MARTIN ,  SAVARD STEPHANE ,  JEZ DAVID ,  HEATH STUART JAMES

Inventor： MOUSAVI PAYAM ,  DODGE STEVEN ,  HARAN FRANK MARTIN ,  SAVARD STEPHANE ,  JEZ DAVID ,  HEATH STUART JAMES

IPC: G01J3/42 ,  G01J3/28

CPC classification number: G01J3/42 ,  D21F7/06 ,  D21G9/0009 ,  G01B11/0625 ,  G01J3/28 ,  G01J3/2889 ,  G01N21/3559 ,  G01N21/3586 ,  G01N2021/8663

Abstract: An apparatus for incorporation into time-domain spectroscopy systems that creates a continuous reference whereby a sample pulses' phase and amplitude can be tracked and corrected employs a beam splitter to generate sample and reference pulses. A detector is positioned for receiving the reference radiation pulses that do not interact with the sample. The same detector is also positioned for receiving the sample radiation pulses that emerge from the sample. The apparatus can be readily implemented by being configured between the emitter and detector of a terahertz time-domain spectrometer. The reference pulse is used to trace the changes in time and amplitude of the sample pulse. Since any changes in the reference pulse will most likely manifest in the sample pulse, the reference pulse is monitored and used to correct the sample pulse and thereby reduce the effects of jitter.

Abstract translation: 一种用于结合到时域光谱系统中的装置，其创建连续参考，由此可以跟踪和校正采样脉冲的相位和幅度，使用分束器来产生采样和参考脉冲。 定位检测器用于接收不与样品相互作用的参考辐射脉冲。 相同的检测器也被定位成用于接收从样品中出现的样品辐射脉冲。 该装置可以通过配置在太赫兹时域光谱仪的发射极和检测器之间来容易地实现。 参考脉冲用于跟踪采样脉冲的时间和幅度的变化。 由于参考脉冲中的任何变化将最有可能体现在采样脉冲中，所以监视参考脉冲并用于校正采样脉冲，从而减少抖动的影响。

公开(公告)号：CA2732300C

公开(公告)日：2017-08-22

申请号：CA2732300

申请日：2009-07-31

Applicant: HONEYWELL ASCA INC

Inventor： DODGE STEVEN ,  HARAN FRANK MARTIN ,  JEZ DAVID ,  MOUSAVI PAYAM

IPC: G01N21/25 ,  G01B11/00

Abstract: An in-situ time domain spectroscopy (TDS)-based method (200) for non-contact characterization of properties of a sheet material while being produced by a manufacturing system (700). A time domain spectrometry system (100) and calibration data for the system (100) is provided. The calibration data includes data for transmitted power through or reflected power from the sheet material as a function of a moisture content of the sheet material. At least one pulse of THz or near THz radiation from a transmitter (111) is directed at a sample location on a sheet material sample (130) while being processed by the manufacturing system (700). Transmitted or reflected radiation associated with at least one transmitted or reflected pulse from the sample location is synchronously detected by a detector (110) to obtain the sample data. The sample data, which is coincident data, is processed together with the calibration data (207, 208, 209) to determine at least one, and generally a plurality of properties of the sheet material sample (130) selected from caliper, basis weight and moisture content.

公开(公告)号：CA2808868A1

公开(公告)日：2012-03-01

申请号：CA2808868

申请日：2011-08-19

Applicant: HONEYWELL ASCA INC

Inventor： MOUSAVI PAYAM ,  DODGE STEVEN ,  HARAN FRANK MARTIN ,  SAVARD STEPHANE ,  JEZ DAVID ,  HEATH STUART JAMES

IPC: G01J3/42 ,  G01J3/28

Abstract: An apparatus for incorporation into time-domain spectroscopy systems that creates a continuous reference whereby a sample pulses' phase and amplitude can be tracked and corrected employs a beam splitter to generate sample and reference pulses. A detector is positioned for receiving the reference radiation pulses that do not interact with the sample. The same detector is also positioned for receiving the sample radiation pulses that emerge from the sample. The apparatus can be readily implemented by being configured between the emitter and detector of a terahertz time-domain spectrometer. The reference pulse is used to trace the changes in time and amplitude of the sample pulse. Since any changes in the reference pulse will most likely manifest in the sample pulse, the reference pulse is monitored and used to correct the sample pulse and thereby reduce the effects of jitter.

公开(公告)号：EP2310835A4

公开(公告)日：2017-12-06

申请号：EP09803628

申请日：2009-07-31

Applicant: HONEYWELL ASCA INC

Inventor： HARAN FRANK MARTIN ,  MOUSAVI PAYAM ,  JEZ DAVID ,  DODGE STEVEN

IPC: G01N21/25 ,  D21F7/00 ,  D21F7/06 ,  D21G9/00 ,  G01B11/00 ,  G01N21/3563 ,  G01N21/3586 ,  G01N21/86

CPC classification number: D21F7/06 ,  D21F7/003 ,  D21G9/0009 ,  G01N21/3563 ,  G01N21/3586 ,  G01N21/86

Abstract: An in-situ time domain spectroscopy (TDS)-based method (200) for non-contact characterization of properties of a sheet material while being produced by a manufacturing system (700). A time domain spectrometry system (100) and calibration data for the system is provided. The calibration data includes data for transmitted power through or reflected power from the sheet material as a function of a moisture content of the sheet material. At least one pulse of THz or near THz radiation from a transmitter (111) is directed at a location on a sheet material sample (130) while being processed by the manufacturing system (700). Transmitted or reflected radiation associated with at least one transmitted or reflected pulse from the sample location is synchronously detected by a detector (110) to obtain the sample data. The sample data, which is coincident data, is processed together with the calibration data (207, 208, 209) to determine at least one, and generally a plurality of properties of the sheet material sample (130) selected from caliper, basis weight and moisture content.

公开(公告)号：EP2609407A4

公开(公告)日：2017-12-13

申请号：EP11819225

申请日：2011-08-19

Applicant: HONEYWELL ASCA INC

Inventor： MOUSAVI PAYAM ,  DODGE STEVEN ,  HARAN FRANK MARTIN ,  SAVARD STÉPHANE ,  JEZ DAVID ,  HEATH STUART JAMES

IPC: G01N21/3586 ,  D21F7/00 ,  D21F7/06 ,  D21G9/00 ,  G01B11/06 ,  G01J3/28 ,  G01J3/42 ,  G01N21/3559 ,  G01N21/86

CPC classification number: G01J3/42 ,  D21F7/06 ,  D21G9/0009 ,  G01B11/0625 ,  G01J3/28 ,  G01J3/2889 ,  G01N21/3559 ,  G01N21/3586 ,  G01N2021/8663

Abstract: An apparatus for incorporation into time-domain spectroscopy systems that creates a continuous reference whereby a sample pulses' phase and amplitude can be tracked and corrected employs a beam splitter to generate sample and reference pulses. A detector is positioned for receiving the reference radiation pulses that do not interact with the sample. The same detector is also positioned for receiving the sample radiation pulses that emerge from the sample. The apparatus can be readily implemented by being configured between the emitter and detector of a terahertz time-domain spectrometer. The reference pulse is used to trace the changes in time and amplitude of the sample pulse. Since any changes in the reference pulse will most likely manifest in the sample pulse, the reference pulse is monitored and used to correct the sample pulse and thereby reduce the effects of jitter.