Er:YAG
Er3+:YAG晶体属于立方晶系，一种很有前途的中红外波段固体激光材料，在室温下可输出三种波长的激光：1.64μm、1.78μm和 2.94μm，其中1.64μm和1.78μm处于人眼安全波段，2.94μm处于羟基吸收峰、能被生物组织强烈吸收，因此在激光医疗、激光通讯、激光测 距等方面有很好的应用前景。
Specifications
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Dopant Concentration
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Er：30-50at%
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Orientation
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<111> within±5°
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Size
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Rods: Diameter（4-5）mm, length≤130mm
Also customized according to customer requirements
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Interference Fringe
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≤1/8λ/inch@632.8nm
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Extinction Ratio
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≥28db
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Dimensional Tolerance
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Diameter: 0/-0.05mm,Length: +/-0.5mm
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Ends parallel Parallelism
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≤ 10"
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Perpendicularity to rod axis
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≤ 5′
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Flatness
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≤λ/10 @632.8nm
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Surface Quality
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10-5 (MIL-O-13830A)
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Chamfer
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0.1±0.05mm*45°
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AR-Coating Coating Reflectivity:
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Damage Threshold
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