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    • 1. 发明申请
    • APPARATUS AND METHOD FOR DISPERSIVE FOURIER-TRANSFORM IMAGING
    • 用于色散傅立叶变换成像的装置和方法
    • WO2010011875A2
    • 2010-01-28
    • PCT/US2009/051608
    • 2009-07-23
    • THE REGENTS OF THE UNIVERSITY OF CALIFORNIAGODA, KeisukeJALALI, BahramTSIA, Kevin, Kin-Man
    • GODA, KeisukeJALALI, BahramTSIA, Kevin, Kin-Man
    • G06K9/20G06K7/10
    • G06K7/1439G06K7/10712G06K7/10831G06K7/14
    • A barcode reading apparatus and method in which the spectrum of a probe light is first Fourier-transformed into space, directed upon a barcode, and then Fourier-transformed converting the spectrally encoded barcode pattern to a time domain waveform. In one implementation, the Fourier transformation from the spectrum domain into a spatial domain is performed by a dispersive element, while the Fourier transformation from the spectrally encoded barcode pattern to a time domain waveform is performed by group-velocity dispersion (GVD). The temporally encoded barcode pattern is detected by a photodetector, digitized by a digitizer, and analyzed by a digital signal processor. The invention is applicable to a number of fields which involve the reading of one- and two-dimensional barcodes, displacement sensing, surface measurements, measurement of width and gap, flow cytometry, reading of optical media, presence or absence detection, and other related fields.
    • 一种条形码读取设备和方法,其中探测光的光谱首先被傅里叶变换为指向条形码的空间,然后经傅立叶变换将光谱编码的条形码图案转换为时域 波形。 在一个实现中,从频谱域到空间域的傅立叶变换由色散元件执行,而从光谱编码的条码图案到时域波形的傅立叶变换通过群速度色散(GVD)执行。 时间编码的条码图案由光电检测器检测,由数字化仪数字化,并由数字信号处理器分析。 本发明适用于涉及读取一维和二维条形码,位移感测,表面测量,宽度和间隙测量,流式细胞术,光学介质读取,存在或不存在检测以及其他相关的多个领域 字段。
    • 2. 发明申请
    • APPARATUS AND METHOD FOR DISPERSIVE FOURIER-TRANSFORM IMAGING
    • 用于分散式FOURIER-TRANSFORM成像的装置和方法
    • WO2010011875A3
    • 2010-04-08
    • PCT/US2009051608
    • 2009-07-23
    • UNIV CALIFORNIAGODA KEISUKEJALALI BAHRAMTSIA KEVIN KIN-MAN
    • GODA KEISUKEJALALI BAHRAMTSIA KEVIN KIN-MAN
    • G06K9/20G06K7/10
    • G06K7/1439G06K7/10712G06K7/10831G06K7/14
    • A barcode reading apparatus and method in which the spectrum of a probe light is first Fourier-transformed into space, directed upon a barcode, and then Fourier-transformed converting the spectrally encoded barcode pattern to a time domain waveform. In one implementation, the Fourier transformation from the spectrum domain into a spatial domain is performed by a dispersive element, while the Fourier transformation from the spectrally encoded barcode pattern to a time domain waveform is performed by group-velocity dispersion (GVD). The temporally encoded barcode pattern is detected by a photodetector, digitized by a digitizer, and analyzed by a digital signal processor. The invention is applicable to a number of fields which involve the reading of one- and two-dimensional barcodes, displacement sensing, surface measurements, measurement of width and gap, flow cytometry, reading of optical media, presence or absence detection, and other related fields.
    • 一种条形码读取装置和方法,其中探针光的光谱首先被傅里叶变换为空间,指向条形码,然后经频谱转换成频谱编码的条形码图案到时域波形。 在一个实现中,通过色散元素执行从频域到空间域的傅里叶变换,而通过组速度色散(GVD)执行从频谱编码的条形码图案到时域波形的傅里叶变换。 时间编码的条形码图案由光电检测器检测,由数字化仪数字化,并由数字信号处理器分析。 本发明适用于涉及读取一维和二维条形码,位移检测,表面测量,宽度和间隙测量,流式细胞术,光学介质读数,有无检测等相关领域的多个领域 领域。