Hi all,
I think this comes from the misunderstanding of the effect and the try
to explain it as the "additional" absorption of outgoing light. Am I right?
kicaj
W dniu 10-11-16 19:19, Scott Calvin pisze:
Hi all,
As some of you know, I'm currently working on a textbook on XAFS
analysis. Because of that, I'm going to occasionally pose some
questions for the list that may seem a bit random. I hope none of you
mind me using the list in this way; the questions may seem to come out
of left field, but I think they will still be of interest to many.
With that said, here's my question for today:
What is the origin of the use of "self-absorption" to describe the
suppression of fine-structure observed in thick, concentrated samples
measured in fluorescence? I understand the physics of the effect
itself, my question is the curious wording. Compared to a thin
concentrated sample, the effect might better be described as
"saturation," while compared to a thick dilute sample, it's actually
related to a lack of absorption by other elements.
--Scott Calvin
Faculty at Sarah Lawrence College
Currently on sabbatical at Stanford Synchrotron Radiation Laboratory
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