Erbium Foil (Light Tight)

Erbium Foil (Light Tight) is a foil product from Goodfellow's extensive range of metals and alloys. This erbium foil is characterized by its light blocking abilities due to its opaque nature across visible and infrared wavelengths. With a density of 9.066 g/cm3, it also possesses high thermal and electrical conductivity. Erbium foil finds use in optical filters where blocking specific wavelengths is necessary. It is also implemented as a coating material for enhancing thermionic emission in cathode tubes. At Goodfellow, you can find erbium foil in various dimensions and forms tailored to your application.

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