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To: blam
“micron-thin diffractive-optics membrane”

Is this a kind of Fresnel lens?

9 posted on 12/18/2011 8:33:46 AM PST by CrazyIvan (Obama's birth certificate was found stapled to Soros's receipt.)
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To: CrazyIvan
"Is this a kind of Fresnel lens?"

That's my thought too.

25 posted on 12/18/2011 9:32:07 AM PST by blam
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