https://www.wiki.mh8.fr/ 2026-04-14T04:04:26+00:00 https://www.wiki.mh8.fr/ https://www.wiki.mh8.fr/lib/exe/fetch.php?media=wiki:logo.png text/html 2025-06-02T19:23:55+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.wiki.mh8.fr/doku.php?id=network:fiber-optics&rev=1748892235&do=diff Fiber Optics General information The speed of light in free space is $c = 3.10⁸ (m/s)$ Fiber optics propagate light using the refractive index of different materials. It is the ratio of the speed of light in free space to the speed of light in a given material.$nm$$Hz$$\lambda=\frac{c}{f}$$f=\frac{c}{\lambda}$$\lambda$$nm$$f$$Hz$$c$$THz$ text/html 2025-06-02T19:23:55+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.wiki.mh8.fr/doku.php?id=network:start&rev=1748892235&do=diff Network OSI Model The OSI (Open System Interconnect) Model was developed in 1984 as an open standard to promote network interconnection and interoperability. Layer Function Examples 7. Application End User : Support for applications HTTP,