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Nathanael A. Fortune edited textbf_please_see_specific_comments__.tex
over 8 years ago
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\textbf{Similarly, the Shot noise part of your aims section would be expected to} reference Schottky's prediction of a fundamental relation between the size of the fluctuations $<\delta i^2(t)>$
in \textit{in a current of
\textit{uncorrelated uncorrelated (randomly emitted) electrons}
and of average magnitude $i_{dc}$ (produced, in this case, by a photo-diode illuminated by a light bulb)and the amount of charge $e$ carried by an individual electron in that current:
\begin{equation}
\label{eq:SchottkyPredictionForShotNoise}
<\delta i^2(t)> = 2 e i_{\textrm{dc}} \Delta f
.
\end{equation}
where $e$ is the charge carried by an electron, $i_{dc}$ is the average dc current (produced, in this case, by a photo-diode illuminated by a light bulb), and $\Delta f$ is the ENBW, as before.
If you need to review the physics behind this, I STRONGLY suggest re-reading Chapter 1 of the TeachSpin manual on JOhnson Noise and Chapter 3 on Shot noise rather than relying on the unpublished lab report of an undergraduate from another school whose data isn't nearly as good as yours!