Superresolving optical system with time multiplexing and computer decoding

Amir Shemer, David Mendlovic, Zeev Zalevsky, Javier Garcia, Pascuala Garcia Martinez

Research output: Contribution to journalArticlepeer-review

Abstract

Objects that have slow temporal variations may be superresolved with two moving masks such as pinhole or grating. The first mask is responsible for encoding the input image, and the second one performs the decoding operation. This approach is efficient for exceeding the resolving capability beyond Abbe’s limit of resolution. However, the proposed setup requires two physical gratings that should move in a synchronized manner. We propose what is believed to be a novel configuration in which the second grating responsible for the information decoding is replaced with a detector array and some postprocessing digital procedures. In this way the synchronization problem that exists when two gratings are used is simplified. Experimental results are provided for illustrating the utility of the new approach.

Original languageEnglish
Pages (from-to)7245-7251xs
JournalApplied Optics
Volume38
Issue number35
DOIs
StatePublished - 10 Dec 1999

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