Virtual optical interfaces for the transportation industry

Vic Hejmadi; Bernard Kress

doi:10.1117/12.851990

21 April 2010 Virtual optical interfaces for the transportation industry

Vic Hejmadi, Bernard Kress

Proceedings Volume 7675, Photonics in the Transportation Industry: Auto to Aerospace III; 76750C (2010) https://doi.org/10.1117/12.851990
Event: SPIE Defense, Security, and Sensing, 2010, Orlando, Florida, United States

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.

Citation Download Citation

Vic Hejmadi and Bernard Kress "Virtual optical interfaces for the transportation industry", Proc. SPIE 7675, Photonics in the Transportation Industry: Auto to Aerospace III, 76750C (21 April 2010); https://doi.org/10.1117/12.851990

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KEYWORDS

Interfaces

Projection systems

Sensors

CMOS sensors

Semiconductor lasers

Image processing

Optical components

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