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Engineers Create New Tunable Laser Materials

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Engineers doped alumina (Al2O3) crystals with neodymium (Nd) ions to develop a new laser material capable of emitting ultrashort, high-power pulses. Their approach to materials processing resulted in a Nd-Al2O3 laser gain medium that has 24× higher thermal shock resistance than one of the leading solid-state laser gain materials. Nd and Al2O3 are two of the most widely used components in today’s solid-state laser materials. However, alumina crystals typically host small ions like titanium or chromium. Neodymium ions are too big — they are normally hosted inside a...Read full article

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