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PHY 218: Electricity and Magnetism II
Prof. S. Teitel stte@pas.rochester.edu ---- Spring 2016
March
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1
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2
lecture 14
Waves in a dielectric, dispersion relation, effects of complex permittivity, phase velocity, group velocity, normal and anomalous dispersion
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3
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4
HW#4 due
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5
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6
spring break
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7
spring break
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8
spring break
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9
spring break
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10
spring break
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11
spring break
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12
spring break
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13
spring break
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14
TA available for questions during lecture period
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15
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16
MIDTERM EXAM
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17
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18
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19
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20
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21
lecture 15
Wave pulse spreading, real and imaginary parts of the permittivity, real and imaginary parts of the wavenumber, regions of transparent propagation, resonant absorption, and total reflection
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22
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23
lecture 16
Waves in a conductor: free current density and free charge density, frequency dependent conductivity, dispersion relation, good and poor conductors, skin depth
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24
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25
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26
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27
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28
lecture 17
Plasma frequency, longitudinal modes, reflection and transmission of waves at an interface
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29
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30
lecture 18
Reflection and transmission continued: Snell's law, critical angle, total internal reflection, corrections to Snell's law for a dissipative medium, transmission into a highly absorptive medium
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31
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