Properties of 1.0% Nd:YAG at 25°C
Formula |
Y2.97Nd0.03Al5O12 |
Crystal structure |
Cubic |
Density |
4.55 g/cm3 |
Melting point |
1970oC |
Mohs hardness |
8.5 |
Transition |
4F3/2→4I11/2 @ 1064 nm |
Fluorescence lifetime |
230 μsec for 1064 nm |
Thermal conductivity |
0.14 Wcm-1 K-1 |
Specific heat |
0.59 J g-1 K-1 |
Thermal expansion |
6.9 x 10-6 °C-1 |
dn/dt |
7.3 x 10-6 °C-1 |
Young’s modulus |
3.17 x 104 Kg/mm-2 |
Poisson ratio |
0.25 |
Thermal shock resistance |
790 Wm-1 |
Refractive index |
1.818 @ 1064 nm |
Doping |
0.8% or 1.1% |
Orientation |
<111> crystalline direction |
Surface quality |
10-5 scratch/dig as per MIL-O-13830A |
Surface flatness |
λ/10 at 633 nm |
Parallelism |
< 10 arcsec |
Perpendicularity |
< 5 arcmin for plano/plano ends |
Diameter tolerance |
+0/-0.05 mm |
Length tolerance |
+1/-0.5 mm |
Clear aperture |
> 90 % of full aperture |
Chamfers |
0.1 mm at 45 deg |
Coating |
both sides coated AR @ 1064 nm, R < 0.2%, AOI = 0 deg |
Barrel grooving |
all dia 6.35, 8, 10, 12 mm rods with barrel groowing |
EKSMA Optics Nd:YAG Crystals
146.98 kB |
Neodymium Doped Yttrium Aluminum Garnet - Nd:YAG laser crystal is the most popular lasing media for solid-state lasers. Good fluorescence lifetime, thermal conductivity and robust nature make Nd:YAG laser crystal suitable for high power continuous wave, high intensity q-switched and single mode operation. EKSMA OPTICS offers high optical quality standard sizes Nd:YAG laser crystals - rods with high damage threshold AR@1064 nm coatings.