Difference between revisions of "Kerr - July 19, 2016"
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(Created page with "B field equation as a function of distance in mm from foil surface ----> y = -1.186ln(x) + 3.9958 with an r^2 value of R² = 0.9831 media:Bfieldfunction.xlsx") |
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| − | B field equation as a function of distance in mm from foil surface ----> y = -1.186ln(x) + 3.9958 | + | B field equation as a function of distance in mm from foil surface ----> |
| + | * y = -1.186ln(x) + 3.9958 | ||
| + | * r^2 value of R² = 0.9831 | ||
[[media:Bfieldfunction.xlsx]] | [[media:Bfieldfunction.xlsx]] | ||
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| + | '''Milestone moment''' | ||
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| + | With the Lock-in Amplifier system and the two equations provided in the Hinds instrument MOKE manual I am able to observe a Kerr θ and ε on the Lock-in Amplifiers!!! --v | ||
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| + | [[file:KErrRotation.jpeg|thumb|upright=1.5|Although the fit is far from perfect, some setup optimization may help us observe a more clear signal]] | ||
| + | [[file:EllipticityKerr.jpeg|thumb|upright=1.5|This quite smooth curve agrees with literature in that the ellipticity is more sensitive to change in magnetization of foil.]] | ||
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| + | Powerpoint for ODU so far: ---> [[file:ODUpresentation.pptx]] | ||
Latest revision as of 08:30, 20 July 2016
B field equation as a function of distance in mm from foil surface ---->
- y = -1.186ln(x) + 3.9958
- r^2 value of R² = 0.9831
Milestone moment
With the Lock-in Amplifier system and the two equations provided in the Hinds instrument MOKE manual I am able to observe a Kerr θ and ε on the Lock-in Amplifiers!!! --v
Powerpoint for ODU so far: ---> File:ODUpresentation.pptx