Nd:YAG is the earliest and most famous laser host crystal. Since it combines great advantages in many basic properties, Nd:YAG is the ubiquitous presence for near-infrared solid-state lasers and their..
|
Chemical Formula
|
Y3Al5O12
|
|
Thermal Expansion Coefficient
|
7.8x10-6 /K <111>，0 - 250 oC
|
|
Mohs hardness
|
8.5
|
|
Thermal Conductivity
|
14W/m/K, 20°C
10.5W/m/K, 100°C |
|
Stimulated Emission Cross Section
|
2.8x10-19 cm-2
|
|
Loss Coefficient
|
0.003 cm-1 @ 1064nm
|
|
Linewidth
|
0.6 nm
|
|
Radiative Lifetime
|
550 us
|
|
Item
|
Nd:YAG Crystal
|
|
Wavefront distortion
|
λ/ 4
|
|
Diameter Tolerance
|
+/-0.1mm
|
|
Nd Dopant Level
|
0.3~2.0(±0.1)atm%
|
|
Parallelism
|
<20 arc sec
|
|
Surface quality
|
10/5
|
|
Flatness
|
λ/ 8
|
|
CA
|
>95%
|
|
Coatings
|
HR-Coating: R>99.8%@1064nm and R＜5% @808nm;
|