Nd:YAG
Key words:
Nd:YAG
Classification:
Product Description
Nd:YAG is an earlier and well-known laser host crystal. Since it combines obvious advantages in basic properties of laser crystal, Nd:YAG has ubiquitous presence in near-infrared solid-state lasers and their frequency-doubler, tripler, and higher order multiplier.
THATSHIGH Specifications for Nd:YAG Crystal
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Dimension |
Maximum length 200mm with tolerance ±0.5mm |
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Maximum diameter 20mm with tolerance ±0.05mm |
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Doping Concentration Nd |
0.3~1.0 (±0.1) atm% |
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Chamfer |
0.1mm @45º |
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Wavefront Distortion |
λ/8 @633nm |
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Damage Threshold |
>750MW/cm2 |
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Flatness |
λ/10 @633nm |
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Parallelism |
< 10" |
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Perpendicularity |
≤5′ |
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Surface Quality [S/D] |
10/5 |
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Coating |
HR |
R>99.8% @1064nm R<5% @808nm |
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AR |
R<0.15% @1064nm |
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Other HR coatings, e.g. HR@1064nm & 532nm, 946nm, 1319nm etc. are also available |
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THATSHIGH Quality Standard of Nd:YAG Crystal
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Diameter (mm) |
Standard Grad |
Excellence Grade |
Super Excellence Grade |
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φ3~6.35 |
≤ 0.5 fringes/ inch |
≤ 0.25 fringes/ inch |
≤ 0.1 fringes/ inch |
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≥ 25 dB |
≥ 28 dB |
≥ 30 dB |
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φ7~10 |
≤ 0.7 fringes/ inch |
≤ 0.4 fringes/ inch |
≤ 0.16 fringes/ inch |
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≥ 22 dB |
≥ 25 dB |
≥ 28 dB |
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φ11~13 |
≤ 1 fringes/ inch |
≤ 0.6 fringes/ inch |
≤ 0.2 fringes/ inch |
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≥ 20 dB |
≥ 23 dB |
≥ 26 dB |
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φ14~16 |
≤ 1.2 fringes/inch |
≤ 0.8 fringes/inch |
≤ 0.25 fringes/inch |
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≥ 18 dB |
≥ 20 dB |
≥ 23 dB |
Note:
Nd:YAG rods for 946 nm or 1319 nm lasers, and higher grade or specific Nd:YAG rods or slabs can be provided. Er:YAG, Yb:YAG and other ion doped YAG crystals are also available upon request.
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