Subsurface glass reticles

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United States of America Patent

PATENT NO 9423604
SERIAL NO

13974688

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Abstract

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An optical instrument for light incoming along a principal optical axis includes a glass block and a subsurface object within the glass block. The subsurface object includes an arrangement of object marks. Each object mark includes a plurality of scattering layers stacked against the principal optical axis of the incoming light. First and second scattering layers of the plurality of scattering layers have different polarization responses.

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Patent Owner(s)

Patent OwnerAddress
TRANSLUME INC655 PHOENIX DRIVE ANN ARBOR MI 48108

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dugan, Mark A Ann Arbor, US 9 92
Said, Ali Ann Arbor, US 8 27

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