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The reflection coefficient (in circuits, for example) is generally given the symbol Gamma (\$\Gamma\$). What is the symbol given for the pass or transmission coefficient \$1-\Gamma\$?

I've usually just seen it written out in terms of \$\Gamma\$ but I'm trying to be more concise in my notation.

MarkU
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nate
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1 Answers1

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Variously:

$$ \begin{aligned} Reflection\ coefficient&=R,\ \ \Gamma\\\\ Transmission\ coefficient&=Τ,\ \ τ\\\\ Absorption\ coefficient&=K,\ \ \alpha,\ \ \varepsilon,\ \ \mu \end{aligned} $$

tim
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  • I'm working with optical couplers which generally already use \$\tau\$, but 'T' may work as well. – nate Apr 30 '21 at 02:06