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iPhone-based DOLPi Polarimetric Camera Developed by Paul Wallace

Reader Paul Wallace contacted me to tell me about the DOLPi electro-optic polarization camera that he built for his iPhone. His ingenious solution makes use of the iPhone’s flashlight to calibrate and synchronize the control of the polarization analyzer (hacked from a welder’s mask as described in the DOLPi whitepaper).

 
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DOLPi Visor Replication by Andrew Gliesman

Andrew Gliesman sent me these pictures of his DOLPi Visor replication along with a very kind note. …I wanted to thank you for your excellent paper on the DOLPi Polarimetric Camera.  The amount of technical detail combined with providing a solution of a real world humanitarian problem made it special to me. I recently built

 
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DOLPi – A Low-Cost RasPi-based Polarization Camera

DOLPi – A Low-Cost RasPi-based Polarization Camera A polarimetric imager to detect invisible pollutants, locate landmines, identify cancerous tissues, and maybe even observe cloaked UFOs! The polarization of light carries interesting information about our visual environment of which we are usually unaware. Some animals have evolved the capability to see polarization as a distinct characteristic

 
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