I don't know if this is relevant, but I'm reminded of what I thought was a clever design of a supermarket bar code reader, whereby they built the conventional spinning mirrors/optics system, then took a hologram of the system, and now just spin the laser illuminated hologram to scan the complex raster on the bar code.
Hoyt Stearns Scottsdale, Arizona US http://HoytStearns.com -----Original Message----- From: Jones Beene [mailto:[EMAIL PROTECTED] Sent: Sunday, May 04, 2008 2:46 PM To: vortex Subject: [Vo]:Stationary Fresnel Array (Hybrid) It is perhaps possible to provide a *stationary* Fresnel array which has "virtual" tracking. Imagine a fixed, stationary array of Fresnel lens and underlying photocells, somewhat as in this image:
