snickersnee
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What is a "light line"?
The graph pictured below contains a "light line." What does it signify? What equation did it come from? All I know is it's important if something is above or below the light line, but other than that I don't have a clue. I would appreciate any explanation. A web link would be great too.
The graph is on the 2nd page of this paper: http://www.stanford.edu/group/fan/publication/Fink-Science-282-1679-1998.pdf
The paper is just an example, the light line is not specific to this paper. It seems to be a standard tool in the photonics field.
http://snag.gy/hdeb3.jpg
The graph pictured below contains a "light line." What does it signify? What equation did it come from? All I know is it's important if something is above or below the light line, but other than that I don't have a clue. I would appreciate any explanation. A web link would be great too.
The graph is on the 2nd page of this paper: http://www.stanford.edu/group/fan/publication/Fink-Science-282-1679-1998.pdf
The paper is just an example, the light line is not specific to this paper. It seems to be a standard tool in the photonics field.
http://snag.gy/hdeb3.jpg