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A DIY hologram project based on AIRR ("Aerial Imaging by Retro‐Reflection") developed by Prof. Yamamoto. Using two optical component, if you count the observers eyes it's one more :D, this optical system can refocus light sources in mid air, hence you get the impression of a floating image in mid air. The main optical components are a half mirror (aka magic mirror) and a retroreflector. A retroreflector is like a mirror, but it reflects always the photons back to the light sources. For example, all the street signs utilises retroreflectors as a foil to get higher visibility. A similar foil is used for this project, but with a better optical resolution and reflectivity value. The half mirror is self made. The glas is cut from a photo picture frame, and a sun shield / privacy foil was applied.
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http://www.k2.t.u-tokyo.ac.jp/perception/AIRR_Tablet/index-e.html
 
http://www.k2.t.u-tokyo.ac.jp/perception/AIRR_Tablet/index-e.html
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https://onlinelibrary.wiley.com/doi/abs/10.1002/j.2168-0159.2013.tb06364.x
 
https://onlinelibrary.wiley.com/doi/abs/10.1002/j.2168-0159.2013.tb06364.x
 
   
 
   
https://www.spiedigitallibrary.org/conference-proceedings-of-spie/8648/1/Aerial-3D-LED-display-by-use-of-retroreflective-sheeting/10.1117/12.2005674.short?SSO=1
 
 
 
https://de.wikipedia.org/wiki/Retroreflektor
 
https://de.wikipedia.org/wiki/Retroreflektor
  
 
https://www.youtube.com/watch?v=zlN7DTx6urY
 
https://www.youtube.com/watch?v=zlN7DTx6urY

Aktuelle Version vom 2. Juli 2018, 11:03 Uhr

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A DIY hologram project based on AIRR ("Aerial Imaging by Retro‐Reflection") developed by Prof. Yamamoto. Using two optical component, if you count the observers eyes it's one more :D, this optical system can refocus light sources in mid air, hence you get the impression of a floating image in mid air. The main optical components are a half mirror (aka magic mirror) and a retroreflector. A retroreflector is like a mirror, but it reflects always the photons back to the light sources. For example, all the street signs utilises retroreflectors as a foil to get higher visibility. A similar foil is used for this project, but with a better optical resolution and reflectivity value. The half mirror is self made. The glas is cut from a photo picture frame, and a sun shield / privacy foil was applied.


http://www.k2.t.u-tokyo.ac.jp/perception/AIRR_Tablet/index-e.html

https://onlinelibrary.wiley.com/doi/abs/10.1002/j.2168-0159.2013.tb06364.x

https://de.wikipedia.org/wiki/Retroreflektor

https://www.youtube.com/watch?v=zlN7DTx6urY