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Proceedings Paper

Virtual optical interfaces for the transportation industry
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Paper Abstract

We present a novel implementation of virtual optical interfaces for the transportation industry (automotive and avionics). This new implementation includes two functionalities in a single device; projection of a virtual interface and sensing of the position of the fingers on top of the virtual interface. Both functionalities are produced by diffraction of laser light. The device we are developing include both functionalities in a compact package which has no optical elements to align since all of them are pre-aligned on a single glass wafer through optical lithography. The package contains a CMOS sensor which diffractive objective lens is optimized for the projected interface color as well as for the IR finger position sensor based on structured illumination. Two versions are proposed: a version which senses the 2d position of the hand and a version which senses the hand position in 3d.

Paper Details

Date Published: 21 April 2010
PDF: 10 pages
Proc. SPIE 7675, Photonics in the Transportation Industry: Auto to Aerospace III, 76750C (21 April 2010); doi: 10.1117/12.851990
Show Author Affiliations
Vic Hejmadi, USI Photonics Inc. (United States)
Bernard Kress, USI Photonics Inc. (United States)


Published in SPIE Proceedings Vol. 7675:
Photonics in the Transportation Industry: Auto to Aerospace III
Alex A. Kazemi; Bernard C. Kress; Eric Y. Chan, Editor(s)

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