Winston Cone Simulations - PowerPoint PPT Presentation

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Winston Cone Simulations

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Winston Cone Simulations. Winston Cone. Winston Cone is a light guide. Try to use specular reflection to direct light rays toward the exit aperture ... – PowerPoint PPT presentation

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Title: Winston Cone Simulations


1
Winston Cone Simulations
2
Winston Cone
  • Winston Cone is a light guide
  • Try to use specular reflection to direct light
    rays toward the exit aperture
  • Add depth, close off ends, connect 2 cones

3
Simulations
  • End up with a bar
  • 1 m long, 4x1 cm cross-section
  • Use Optica Package (a Mathematica Add-On) to
    perform ray-tracing
  • Best results 17 collection efficiency

4
Modifications
  • Try different shapes
  • Change ends
  • Add notches
  • Vary notch shape
  • Add more fibers
  • Change fiber locations/'s (2/4 at ends, 2 in the
    middle)
  • Get up to 25

5
Alternative - MINOS bar
  • Use MINOS design with 2 additional fibers
  • Again ray-trace with Optica - maintain similar
    conditions
  • Use diffuse reflections (Optica hack)
  • Results 20 efficiency
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