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   68    

68 Er Erbium

Lanthanoid, mass: 167.26 u, 6 stable isotopes (162, 164, 166-168, 170), abundance rank (earth/space): 56/66

Click image to magnify. Ultrapure erbium with cut traces, 25 grams. Original size in cm: 1 x 2 x 2
Erbium Erbium cut traces
Erbium is used for amplifiers in optical fibres and therefore is very important for the internet and the transcontinental data transfer. Erbium oxide can double the intensity of optical light under certain conditions and so allows the signal to travel long distances without fading. This is a good example of how a neglected and mostly unknown element can certainly become very popular for a single special qualification.

Erbium same piece Erbium glass
Right: Pink erbium glass bead, stained with erbium oxide (Er2O3). Diameter 1 cm.


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The images are licensed under a Creative Commons Attribution 3.0 Unported License, unless otherwise noted. Attribution by linking (outside of the internet credit with url) to the according element page.



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