Mass-producible microscopic computer-generated holograms: Microtags

M. R. Descour; W. C. Sweatt; A. K. Ray-Chaudhuri; K. D. Krenz; M. E. Warren; S. H. Kravitz; D. A. Tichenor; R. H. Stulen; T. L. Love

doi:10.1364/OL.21.001951

Mass-producible microscopic computer-generated holograms: Microtags

M. R. Descour, W. C. Sweatt, A. K. Ray-Chaudhuri, K. D. Krenz, M. E. Warren, S. H. Kravitz, D. A. Tichenor, R. H. Stulen, T. L. Love

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

We have developed a method for encoding phase and amplitude in microscopic computer-generated holograms (microtags) for security applications. An 8 × 8 cell phase-only and an 8 × 8 cell phase-and-amplitude microtag design has been exposed in photoresist by the extreme-ultraviolet (13.4-nm) lithography tool developed at Sandia National Laboratories. Each microtag measures 80 μm × 160 μm and contains features that are 0.2 μm wide. Fraunhofer zone diffraction patterns can be obtained from fabricated microtags without any intervening optics and compare favorably with predicted diffraction patterns.

Original language	English (US)
Pages (from-to)	1951-1953
Number of pages	3
Journal	Optics letters
Volume	21
Issue number	23
DOIs	https://doi.org/10.1364/OL.21.001951
State	Published - Dec 1 1996
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OL.21.001951

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title = "Mass-producible microscopic computer-generated holograms: Microtags",

abstract = "We have developed a method for encoding phase and amplitude in microscopic computer-generated holograms (microtags) for security applications. An 8 × 8 cell phase-only and an 8 × 8 cell phase-and-amplitude microtag design has been exposed in photoresist by the extreme-ultraviolet (13.4-nm) lithography tool developed at Sandia National Laboratories. Each microtag measures 80 μm × 160 μm and contains features that are 0.2 μm wide. Fraunhofer zone diffraction patterns can be obtained from fabricated microtags without any intervening optics and compare favorably with predicted diffraction patterns.",

author = "Descour, {M. R.} and Sweatt, {W. C.} and Ray-Chaudhuri, {A. K.} and Krenz, {K. D.} and Warren, {M. E.} and Kravitz, {S. H.} and Tichenor, {D. A.} and Stulen, {R. H.} and Love, {T. L.}",

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doi = "10.1364/OL.21.001951",

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AU - Descour, M. R.

AU - Sweatt, W. C.

AU - Ray-Chaudhuri, A. K.

AU - Krenz, K. D.

AU - Warren, M. E.

AU - Kravitz, S. H.

AU - Tichenor, D. A.

AU - Stulen, R. H.

AU - Love, T. L.

PY - 1996/12/1

Y1 - 1996/12/1

N2 - We have developed a method for encoding phase and amplitude in microscopic computer-generated holograms (microtags) for security applications. An 8 × 8 cell phase-only and an 8 × 8 cell phase-and-amplitude microtag design has been exposed in photoresist by the extreme-ultraviolet (13.4-nm) lithography tool developed at Sandia National Laboratories. Each microtag measures 80 μm × 160 μm and contains features that are 0.2 μm wide. Fraunhofer zone diffraction patterns can be obtained from fabricated microtags without any intervening optics and compare favorably with predicted diffraction patterns.

AB - We have developed a method for encoding phase and amplitude in microscopic computer-generated holograms (microtags) for security applications. An 8 × 8 cell phase-only and an 8 × 8 cell phase-and-amplitude microtag design has been exposed in photoresist by the extreme-ultraviolet (13.4-nm) lithography tool developed at Sandia National Laboratories. Each microtag measures 80 μm × 160 μm and contains features that are 0.2 μm wide. Fraunhofer zone diffraction patterns can be obtained from fabricated microtags without any intervening optics and compare favorably with predicted diffraction patterns.

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Mass-producible microscopic computer-generated holograms: Microtags

Abstract

ASJC Scopus subject areas

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