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    • 5. 发明授权
    • Photoconductive optical correlator
    • 光导光学相关器
    • US5900624A
    • 1999-05-04
    • US654642
    • 1996-05-29
    • Simon VergheseElliott R. BrownQing Hu
    • Simon VergheseElliott R. BrownQing Hu
    • G06E3/00H01J40/14
    • G06E3/005
    • An optical correlator for correlating incident optical signals is described. The correlator comprises a transmission line in close juxtaposition to a photoconductor. The photoconductor may be positioned within the transmission line. The transmission line and the photoconductor may be monolithically integrated on a substrate. The optical correlator has an electrical non-linear response to the incident optical signals that results from a voltage divider formed from the combination of the transmission line and the photoconductor. The electrical non-linear response is proportional to a second-order intensity autocorrelation function g.sup.(2) (.tau.). The response time of the electrical nonlinear response is less than the width of the narrowest pulse of the optical signals and may be less than twenty picoseconds.
    • 描述了用于相关入射光信号的光相关器。 相关器包括与光电导体紧密并置的传输线。 光电导体可以位于传输线内。 传输线和光电导体可以单片集成在基板上。 光学相关器对由传输线和感光体的组合形成的分压器产生的入射光信号具有电非线性响应。 电非线性响应与二阶强度自相关函数g(2)(τ)成比例。 电子非线性响应的响应时间小于光信号最窄脉冲的宽度,可能小于二十皮秒。