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no.
Not internal refraction - internal reflection. And yes, that's essential to make fiber optics work.
what is fiber optics what is fiber optics
he invented fiber optics in 1955
No, fiber optics are a transmission medium.
What are the common problems that can be incounter in testing fiber optics connectivity.
Fiber optics is used for long distance communication due to its various advantages..
Mirrors for the simplest, combined with optics if your periscope has magnification. It may well incorporate direction and range indication.
On the newer class submarines that don't employ optics, they're called "Photonics Masts". But it's still a Periscope.
no
No, fiber optics are cables ran from underneath the ground. The weather will not affect it.
SIC 3663 covers makers of fiber optics equipment