Erbium is a chemical element in the lanthanide series, with symbol Er and atomic number 68. Optical fibers doped with erbium, can amplify light in the 1550 nm region when pumped at around 980 or 1480 nm by an external light source. The 1550 nm wavelength is important for optical communications because standard singlemode optical fibers have minimal loss at this particular wavelength. This process results in an unusually mechanically simple laser optical amplifier. Fiber amplifiers are used to support dense wave length division multiplexing (DWDM) and to expand to the other wavelength bands supported by fiber.
Sensing and monitoring article
Fibre Optics aren't just used in communications, they're also being used increasingly for sensing and monitoring…read more
Fibre Optic innovations are increasing day by day as more and more industries take advantage of…read more
Connecting the Future World
Fibre Optic cables have been used to transmit information for over 50 years, being constantly developed…read more