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Physics
Classical Physics
Optics
Light coupling from optical fiber to glass?
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[QUOTE="Mary09, post: 6831904, member: 731565"] I tried to make a cone shape at the end while melting the glass but was not successful in a quick approach as the glass cools down very fast and it tends to bend while heating.... with the clear epoxy was also one of my ideas, i filled a capillary and will check when its hardened. As far as i have understood, when the light enters the glass it propagates via total internal reflection and will exit at the tip. Its right that some light will be lost where the radius is reduced, but i also checked capillaries without any tapering and most of the light is lost already here with the coupling. I have also found one paper where lenses are used and losses are significantly reduced. However i am not too familiar with the optics and alignment etc. also i think not everything is clearly explained here [URL]https://www.scirp.org/pdf/JCC_2013112910444793.pdf[/URL] [/QUOTE]
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Forums
Physics
Classical Physics
Optics
Light coupling from optical fiber to glass?
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