Wave Polarization Dandan Ji Emre Kopanoglu Andy Cai.
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Transcript of Wave Polarization Dandan Ji Emre Kopanoglu Andy Cai.
![Page 1: Wave Polarization Dandan Ji Emre Kopanoglu Andy Cai.](https://reader036.fdocuments.net/reader036/viewer/2022062518/56649dbc5503460f94aae687/html5/thumbnails/1.jpg)
Wave Polarization
Dandan JiEmre Kopanoglu
Andy Cai
![Page 2: Wave Polarization Dandan Ji Emre Kopanoglu Andy Cai.](https://reader036.fdocuments.net/reader036/viewer/2022062518/56649dbc5503460f94aae687/html5/thumbnails/2.jpg)
Learning Objectives
• Revisit the concept of wave polarization and how to generate polarized waves from recap of reading assignments
• Analyze how polarized waves work in real-life applications from video demonstration and discussion
• Apply knowledge of polarization to lighting design in homework
![Page 3: Wave Polarization Dandan Ji Emre Kopanoglu Andy Cai.](https://reader036.fdocuments.net/reader036/viewer/2022062518/56649dbc5503460f94aae687/html5/thumbnails/3.jpg)
Direction of propagation
A phenomenon peculiar to transverse waves.
Classification of Polarization
Video clip: http://www.youtube.com/watch?v=Fu-aYnRkUgg
![Page 4: Wave Polarization Dandan Ji Emre Kopanoglu Andy Cai.](https://reader036.fdocuments.net/reader036/viewer/2022062518/56649dbc5503460f94aae687/html5/thumbnails/4.jpg)
Polarization
Absorption
achieved by
Natural light: random
Polarized light: confined in a plane
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Polarization
Reflection
Natural light
θPθP
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Polarization
Reflection
![Page 7: Wave Polarization Dandan Ji Emre Kopanoglu Andy Cai.](https://reader036.fdocuments.net/reader036/viewer/2022062518/56649dbc5503460f94aae687/html5/thumbnails/7.jpg)
Polarization demonstration• Camera view on a LCD display, with a polarized
filter being rotated
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Polarization demonstration• Group Discussion (3 min): – Why does the LCD display go completely dark
when the filter is rotated?– Why does not the background light get completely
filtered?
![Page 9: Wave Polarization Dandan Ji Emre Kopanoglu Andy Cai.](https://reader036.fdocuments.net/reader036/viewer/2022062518/56649dbc5503460f94aae687/html5/thumbnails/9.jpg)
LCD displays/projectors
• Millions of liquid crystal cells!– Adjust light
![Page 10: Wave Polarization Dandan Ji Emre Kopanoglu Andy Cai.](https://reader036.fdocuments.net/reader036/viewer/2022062518/56649dbc5503460f94aae687/html5/thumbnails/10.jpg)
LCD displays/projectors• Adjust light
• Adjust color