Laser Rod Nd:YAG Laser Crystals 3*12mm Crystal for Lasers Size Can be Customized
Properties of Nd:YAG crystals:
Chemical Formula: Y3Al5O12
Crystal Structure: Cubic
Lattice Constants: 12.01A
Melting Point: 1970°C
Density: 4.5g/cm3
Reflectivity: 1.82
Thermal Expansion Coefficient: 7.8x10-6/K <111>，0 - 250oC
Thermal Conductivity: 14W/m/K, 20°C, 10.5W/m/K, 100°C
Mohs Hardness: 8.5
Stimulated Emission Cross Section: 2.8x10-19cm-²
Loss Coefficient: 0.003 cm-1@ 1064nm
Linewidth: 0.6 nm
Radiative Lifetime: 550 ms
[Specification]
| Parameters |
Value |
| Nd dopant |
0.5~1.2 atm % |
| Orientation |
<111> ±5° |
| Flatness |
<λ/10 @ 632.8 nm |
| Parallelism |
≤10" |
| Verticality |
≤5 ′ |
| Surface Finish |
10/5 Scratch / Digper MIL-O-13830A |
| Optical Quality |
Interference fringes: ≤ 0. 125 /inch
Extinction ratio: Ф3-Ф6.35 ≥ 28dB Ф7-Ф10 ≥ 25dB |
| Size |
Ф(3~10)mm*L(30~180)mm |
| Dimensional Tolerance |
Diameter: +0/-0.05mm
Length: ±0.5mm Chamfer: <0.1 mm @ 45 |
| Antireflection Coating |
≤ 0.2% (@1064nm) |
| High Reflective Coating |
>99.8%@1064nm and R<5%@808nm |
| Other High Reflective Coating |
Such as HR @ 1064/532 nm, HR @ 946nm, HR@1319 nm |
| Laser Damage Threshold |
>500MW/cm² |
| Laser Characteristics |
Long pulse point efficiency: 3.3% (lamp pump, 20J input), long pulse ramp efficiency: 4.2% |
$203 is the price of 3*12mm crystal, If you need other sizes, please refer to the table below.
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