lecture6eno - This week Please hand in HW3 Lab report Lab 2...

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Unformatted text preview: This week Please hand in HW3 Lab report Lab 2 due next week Today we continue last 2 Polarization Imagine a wave traveling in the z direction . A possible solution for the E field is: E = E sin( kz t ) x We call such a wave linearly polarized in the x direction. Polarization However, a more general solution is: E = E x sin( kz t ) x + E y sin( kz t + ) y E x ! E y but more important is elliptically polarized light (draw on board) special cases: E x = E y circularly polarized light =0 linearly polarized light. unpolarized light: direction of E changes randomly with time and position in space usually due to fluctations in the source (either in space or time) Polarizer Can be used to measure and change the polarization of the light dichroic polarizer absorbs light with E parallel to a specific direction. Electrons in the material are freer to move in 1 direction than another. The component of E perpendicular to the electron motion is transmitted. Waves, reflection, and refraction Imagine a plane wave incident...
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This note was uploaded on 12/29/2011 for the course PHYSICS 375 taught by Professor Eno during the Spring '11 term at Maryland.

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lecture6eno - This week Please hand in HW3 Lab report Lab 2...

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