Quote Originally Posted by Joe VanCleave View Post
I disagree with the OP's inference that the diffraction effect is "digital" because it produces discrete, light and dark, positively and negatively reinforced interference patterns...
Joe, I feel that you're failing to see my statement as an analogy. But I do agree with you that it's not a very good analogy. I think that this statement...

the diffraction of photons is a wave-like phenomenon, governed not by Boolean principles at all, and is most decidedly "analog" in nature, in the sense that multiple waves interfering with one another out of phase produce additive and subtractive vectors whose output space might resemble some discrete function only superficially

....eloquently describes the principle. That is of course, after I looked up some of the terms.

Thanks Lionel, my pleasure!