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Ning Zhu edited Figures.tex
over 8 years ago
Commit id: ee09e8df902c09e48c52e9999b0acb37d8b37bc4
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3. Lock-in Method
$$I_{coil_dc}=0.6137\times V_{coil_dc}$$
$$B=11.1\times\frac{mT}{A}\times I$$
$$V_{Photodiode}=\frac{V_{output}\times1.11}{500\times2\times10\times1}$$ $$Gain=G_{preamplifier}\times G_{filter}\times G{lock-in amplifier}\times G_{lowpass filter}=500\times2\times10\times1=10000$$
$$V_{Photodiode}=\frac{V_{output}\times1.11}{10000}$$