Transcription of Chapter 4 Polarization - Instructor.physics.lsa.umich.edu
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Chapter 4 Polarization - Instructor.physics.lsa.umich.edu
physics 341 Experiment 4 Page 4-1. Chapter 4 Polarization Introduction Polarization generally just means orientation. It comes from the Greek word polos, for the axis of a spinning globe. Wave Polarization occurs for vector fields. For light (electromagnetic waves) the vectors are the electric and magnetic fields, and the light's Polarization direction is by convention along the direction of the electric field. Generally you should expect fields to have three vector components, (x,y,z), but light waves only have two non-vanishing components: the two that are perpendicular to the direction of the wave.
Physics 341 Experiment 4 Page 4-4 performed in Experiment 2. Put a green interference filter in the light beam just in front of the photodiode. The polarizers are most efficient in this part of the spectrum. Use a lamp voltage of 10 V, and a spacing ~30 …
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