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 types, are utilized in bulk lasers, fiber lasers, and amplifiers. The most prevalent laser transition involves the 4I 13/2 to 4I 15/2 levels, typically emitting between 1.53 and 1.6 μm. Efficient pump absorption is achieved through ytterbium codoping, enhancing the performance of erbium-doped laser systems.
Erbium-doped Crystals
Erbium ions are also incorporated into crystals like Er:YAG, where laser transitions occur between different energy levels, resulting in emissions at wavelengths around 2.9 μm or 1.645 μm. These crystals find applications in Q-switched lasers and medical devices due to their absorption properties.
Applications
Erbium-doped glasses and crystals are extensively used in various applications, including Q-switched lasers, range finding, medical devices, and optical fiber communications. The unique optical properties of erbium make it a valuable element in the field of photonics.
Overall, erbium plays a crucial role in the development of laser technologies, enabling the creation of efficient and versatile laser systems for a wide range of applications in industry, medicine, and communication.
Source: Fosco Connect
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