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Source: Market Research Intellect Erbium in Photonics Erbium (chemical symbol: Er) is a rare earth metal widely used in photonics as the laser-active dopant in gain media. It is commonly employed in the form of the trivalent ion Er3+ in various host materials, including crystals and glasses. Erbium-doped Glasses Erbium-doped glasses, primarily silicate and phosphate […]