Mr. Walter Daschner Profile

Walter Daschner

Director Product Development at Lumileds LLC

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Publications (3)

SPIE Journal Paper | 1 January 1998

Optical recognition of phase-encrypted biometrics

Eric Johnson, James Brasher, Don Gregory, Peter Erbach, Michael Duignan, Gregory Behrmann, Sing Lee, Walter Daschner, Pin Long

OE, Vol. 37, Issue 01, (January 1998) https://doi.org/10.1117/12.10.1117/1.601850

KEYWORDS: Photomasks, Biometrics, Lithography, Analog electronics, Wavefronts, CCD image sensors, LCDs, Optical correlators, Optical engineering, Fingerprint recognition

Proceedings Article | 15 May 1997 Paper

Replicating diffractive optical elements on DuPont photopolymer by optical lithography using a HEBS-glass gray-scale mask

Pin Long, Walter Daschner, Eric Johnson, Sing Lee

Proceedings Volume 3010, (1997) https://doi.org/10.1117/12.274406

KEYWORDS: Photomasks, Diffractive optical elements, Computer generated holography, Diffraction, Optical lithography, Binary data, Holography, Printing, Dry etching, Holograms

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Proceedings Article | 7 May 1996 Paper

One-step lithography for mass production of multilevel diffractive optical elements using high-energy beam sensitive (HEBS) gray-level mask

Walter Daschner, Robert Stein, Pin Long, Chuck Wu, Sing Lee

Proceedings Volume 2689, (1996) https://doi.org/10.1117/12.239618

KEYWORDS: Photomasks, Diffractive optical elements, Lithography, Micro optics, Computer generated holography, Ion beams, Etching, Photoresist processing, Mask making, Analog electronics

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