1 August 2003 Study on optical finite impulse response filter
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We present an optical finite impulse response (FIR) filter design method. Based on crystal birefringence, an optical FIR filter can be designed to produce arbitrary spectrum output. A mathematic model of the optical FIR filter is introduced from the FIR theory. Details of the mapping relationship between an FIR filter and an optical filter are analyzed. A classical FIR filter design method is directly applied. After using the optical backward transfer method to implement the optical configuration, a design of a green/magenta broadband filter is discussed. The experiment results demonstrate that the theoretical simulation is in accordance with the experiment.
Ying Zhou, Guangjie Zeng, Feihong Yu, Hoi Sing Kwok, "Study on optical finite impulse response filter," Optical Engineering 42(8), (1 August 2003). https://doi.org/10.1117/1.1586289

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