Erbium

Description

Erbium has application in glass coloring, as an amplifier in fiber optics, and in lasers for medical and dental use. The ion has a very narrow absorption band, coloring erbium salts pink; iit is therefore used in eyeware and decorative glassware. It can neutralize discoloring impurities such as ferric ions and produce a neutral gray shade and s used in a variety of glass products for this purpose.

It is particularly useful as an amplifier for fiber optic data transfer as it lases at the wavelength required to provide an efficient optical method of amplification, 1.55 microns. Lasers based on Er:YAG are ideally suited for surgical applications because of its ability to deliver energy without thermal build-up in tissue.

Erbium is available as metal and compounds with purities from 99% to 99.999% (ACS grade to ultra-high purity); metals in the form of foil, sputtering target, and rod, and compounds as submicron and nanopowder.

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