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Number of phase levels of a talbot array illuminator

C Zhou, H Wang, S Zhao

    Applied Optics
    |March 22, 2008
    PubMed

    Abstract:

    The number of phase levels of a Talbot array illuminator is an important factor in the estimation of practical fabrication complexity and cost. We show that the number (L) of phase levels of a Talbot array illuminator has a simple relationship to the prime number. When there is an alternative pi-phase modulation in the output array, the relations are similar.

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