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Physics 1161 Lecture 19 Polarization

Physics 1161 Lecture 19 Polarization. Unpolarized & Polarized Light. Polarization of Light. Unpolarized. Electric fields of unpolarized light vibrate in all directions perpendicular to the direction the light travels. A polarizing filter can constrain light to vibrate in only one direction.

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Physics 1161 Lecture 19 Polarization

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  1. Physics 1161 Lecture 19 Polarization

  2. Unpolarized & Polarized Light

  3. Polarization of Light Unpolarized Electric fields of unpolarized light vibrate in all directions perpendicular to the direction the light travels. A polarizing filter can constrain light to vibrate in only one direction Polarized

  4. Polarizing Filters

  5. Polarization

  6. Polarization

  7. Reflected Horizontally Polarized • Polarization of Reflected Light

  8. Brewster’s Angle • At this angle of incidence all the reflected light is polarized parallel to the surface of the material (non-conducting) • Polarization of Reflected Light

  9. Which pair of glasses is best suited for automobile drivers? (The polarization axes are shown by the straight lines.) • A • B • C

  10. Two Polarizers Perpendicular Axes Parallel Axes

  11. Insert Third Polarizer

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