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Micron. 2003;34(6-7):309-12.

Why is super-resolution so inefficient?

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  • 1Department of Physics, Technion-Israel Institute of Technology, 32000 Haifa, Israel.


Many optical imaging systems have been designed to achieve spatial resolution exceeding the limit proposed by Abbe theory, namely lambda/2NA. These systems invariably use light inefficiently. We discuss the application of information theory to this problem, in an effort to find an upper limit to the theoretical efficiency of a super-resolving system, as a function of the degree to which its capabilities exceed the Abbe limit.

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