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  • Lai, Xiaomin; Zeng, Shaoqun; Lv, Xiaohua; Yuan, Jing; Fu, Ling

    Optics letters, 06/2013, Volume: 38, Issue: 11
    Journal Article

    The Lagrange invariant provides a basic description of an optical imaging system. Many important conclusions can be drawn from it. We discovered that the Lagrange invariant is violated in a self-interference holography system with particular characteristics. With a proof-of-principle system, we proved this violation both theoretically and experimentally. This finding enables future exciting possibilities in optical imaging.