Er:YAG crystal
Er:YAG (Er:Y3Al5O12) combine various output wavelength with the superior thermal and optical properties of YAG. It is an excellent laser crystal which lasers at 2.94μm. This wavelength is the most readily absorbed into water and hydroxylapatite of all existing wavelengths and is considered a highly surface cutting laser. It is a well known material for medical applications.
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Dopant concentration, at.% |
up to 50 at% |
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orientation: |
<111>within 5° |
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Flatness: |
< λ/10 measured at 633 nm |
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Parallelism : |
≤ 30" |
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Perpendicularity : |
≤ 5 ′ |
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Optical Quality: |
Interference fringes ≤ 0.125 λ /inch(@1064nm) |
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Dimensional tolerances: |
Diameter:+0.000"/-0.05", |
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AR Coating Reflectivity : |
≤ 0.2% (@2940nm) |
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