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Forums
Physics
Classical Physics
Optics
Light coupling from optical fiber to glass?
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[QUOTE="hutchphd, post: 6832195, member: 635497"] This makes no sense to me. The index of the "fiber" must be larger than the index of the cladding to produce total internal reflection. How do you know this? The hollow part of the tube is problematic. Most of the coupling losses are going to be "acceptance angle" issues and not reflective losses at the entrant surface. If you fill the glass tube with epoxy and use it to glue on the fiber (or the LED!) you will do far better than 10%. Keep it simple. [/QUOTE]
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Forums
Physics
Classical Physics
Optics
Light coupling from optical fiber to glass?
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