Re: JP Aerospace to compete for America's Space Prize

From: Paul F. Dietz (dietz_at_dls.net)
Date: 01/30/05 

Date: Sun, 30 Jan 2005 17:42:47 -0600

Alex Terrell wrote:

> But I guess the theroetical minimum thickness would be on the order of
> a wavelength.

No, actually there are semiconductors that absorb visible light photons
over a distance of only a fraction of a wavelength, and photon trapping
techniques might let you get by with an absorber with an effective
thickness of only a fraction of that.

        Paul

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