Talk:Cladding (fiber optics)

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  This article was the subject of a Wiki Education Foundation-supported course assignment, between 28 September 2021 and 2 December 2021. Further details are available on the course page. Student editor(s): Sethpedia. Peer reviewers: Ajmellquist, Taylorrnguyenn, ZWpedia.

Above undated message substituted from Template:Dashboard.wikiedu.org assignment by PrimeBOT (talk) 19:07, 17 January 2022 (UTC)Reply

NA

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That NA equation is easy to derive: The NA of the fiber is given by  . To get TIR on the wall, the angle isn't   but the angle opposite  . The sine of that angle is the cosine of   and so is equal to  . Then plug and chug. —Ben FrantzDale (talk) 20:42, 28 November 2011 (UTC)Reply