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Products  >  Crystals  >  Nd:YAG
 
Nd:YAG
 
Nd:YAG (neodymium-doped yttrium aluminium garnet; Nd:Y3Al5O12) is a crystal that is used as a lasing medium for solid-state lasers. The dopant, triply ionized neodymium, typically replaces yttrium in the crystal structure of the yttrium aluminium garnet, since they are of
Nd:YAG rod is an excellent laser crystal for high energy application, it has a high thermal conductivity, and good optical quality.
 
Specifications
Dimension tolerance
0.1mm
Angle tolerance
0.5
Surface flatness
l/8@632.8nm
Wavefront distortion
l/8@632.8nm
Surface quality
20-10
Parallelism
<20 arcsec
Perpendicularity
<5 arcmin
Clear aperture
>85%
 
Nd:YAG optical and physical properties.
Crystal structure
Cubic
Lattice parameters
A=B=C=12.01A
Density
4.56g/cm3
Melting point
1970
Mohs hardness
8.5
Density
4.64g/cm3
Thermal expansion coefficient
7.8 x10-6/ [111]
Thermal conductivity
14w/m/k @20
 
Refractive index
1.82
Lasing wavelength
1064nm
Stimulated emission cross-section
2.8x10-19cm-2 @1064nm
Relaxation time of terminal
30ns
Spontaneous fluorescent
230ms 1 atomic %Nd
Radiative lifetime
550ms
Loss coefficient
0.003 cm-1 @1064nm
Absorption band at pump wavelength
1nm
Pump wavelength
807.5nm
Polarized emission
unpolarized
 
Price on request
Custom design
Volume discount
 
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