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Shanghai LaserMa Crystals Inc.
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Neodymium doped Yttrium Aluminium Garnet (Nd:Y3Al5O12 or Nd:YAG) crystal with the excellent thermal-mechanical properties and unique laser properties is by far the most commonly used solid-state laser material. Pumped by Xenon arc lamp or 808nm-LD, Nd:YAG mainly lase at 1064.14nm and run in both pulsed and CW operation. Nd:YAG laser has been widely used in a various applications in the military, scientific, industrial, and medical areas.
We provide high quality Nd:YAG laser crystal in the form of disk, rod or slab with different dimensions and specifications described as below.
Main Specifications of Nd:YAG rod or slab
Nd Dopant concentration
2-3at%(high level for disk or slab), 0.8-1.1at%
Orientation
<111> within �0.5o
Dimensions
Ф60�mm3,
Ф2-15mm�0.05mm; Length 5-200mm �0.5mm
Ф50mm or 30x30mm2, thickness of 1-5mm for slab
Dimension tolerance
Dia. +0.000�/-0.002�, length �0.02�
Barrel finish
Ground finish 400# grit
Chamfer
0.006� �0.002� @45o�5o
Parallelism
≤ 10�
perpendicularity
≤ 5�
End faces flatness
λ/10
End faces quality
10/5 (MIL-O-13830A)
Coatings
AR/AR @1064nm, R<0.2%;
HR @1064nm >99.5%R, HT @808nm >95%T
Other properties of Nd:YAG crystal
Structure
cubic/ garnet
Refractive index
1.8169@1064nm
Dn/dt
+8.9 �10-6 K-1
Thermal conductivity
0.129W/cm�
Linear expansion coefficient
7.8 �10-6/K along <111> direction
Specific heat
0.59 J/g�
Hardness
8.5 (Mohs), 1350�5 Kg/mm2
Notes: Your inquiry or order should provide detailed specification as list. Dopant concentration, size, and coating are essential specification.
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