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Pinhead mirror: a previously undiscovered imaging device?

T H Nilsson

    Applied Optics
    |May 11, 2010
    PubMed

    Abstract:

    Investigating the source of a round patch of light in a dark hallway led to discovery of the pinhead mirror, a reflecting analog of the pinhole lens. Some pinhead mirrors were made and tested. The pinhead mirror's imaging characteristics appear to be similar to those of the pinhole lens.

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