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Erbium-Doped Fluoroindate Glass Shows Promise for Mid-IR Lasing

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A research team from the Xi’an Institute of Optics and Precision Mechanics of the Chinese Academy of Sciences has revealed the spectroscopic properties of Er3+-doped fluoroindate glasses. Tests showed that fluoroindate glass is an attractive host for mid-infrared lasers and as a gain medium for optical amplifier applications, due to its extended fluorescence lifetime and larger emission cross-section than that of ZBLAN (ZrF4-BaF2-LaF3-AlF3-NaF), a fluorozirconate glass. Mid-infrared lasers have numerous applications, including in the military and medical fields. Laser glass, which...Read full article

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    Published: September 2021
    Glossary
    glass
    A noncrystalline, inorganic mixture of various metallic oxides fused by heating with glassifiers such as silica, or boric or phosphoric oxides. Common window or bottle glass is a mixture of soda, lime and sand, melted and cast, rolled or blown to shape. Most glasses are transparent in the visible spectrum and up to about 2.5 µm in the infrared, but some are opaque such as natural obsidian; these are, nevertheless, useful as mirror blanks. Traces of some elements such as cobalt, copper and...
    Research & TechnologyChinaXi'an Institute of Optics and Precision Mechanicsspectroscopyfluoroindate glassglassmid infraredLasersOpticsTech Pulse

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