Optimizing Refractive Index for Bright and Even Side Glow in Solid Core Object

AI Thread Summary
To achieve a bright and even side glow in a solid cylindrical object, the refractive index of the outer translucent or transparent layers is crucial. The goal is to optimize light transmission and minimize reflection at the interface between the core and the layers. A refractive index close to that of the core material will help in achieving uniform light distribution, especially when the object is bent. Experimentation with different materials and their refractive indices may be necessary to find the optimal combination. Understanding the principles of light propagation in optical fibers can also provide valuable insights for this project.
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Hi All,

I'm trying to create something which has a solid, cylindrical, non-reflective core (assume the core is made out of a black rubber similar to that of a car tyre for instance and 20m in length, but only 1cm in diameter), which has a translucent or transparent plastic layer (or several layers) wrapped (read: extruded) around this black, solid cylinder.

The purpose of the additional transparent or translucent layers is to ensure when a light is shone into the side of the previously black object, the whole object will glow. Similar to 'side glow optical fibre'.

The question is; what refractive index (or indices) do I need to aim for in the outer layer(s) to ensure the light glows brightly and spreads as evenly as possible along the length of the object longitudinally, even when the object is bent.

Thanks in advance.

Andrew
 
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Thanks for the post! Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post?
 
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