产品分类

Nd : Ce:YAG

Nd:Ce:YAG is an excellent laser crystal without water-cooling and air-cooling solid-state lasers, and is widely used in small laser range finders and laser medical instruments.

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Product Description

Nd:Ce:YAG is an excellent laser crystal without water-cooling and air-cooling solid-state lasers, and is widely used in small laser range finders and laser medical instruments.

Main Features

high efficiency

low threshold

high optical quality

Good resistance to UV radiation and good thermal stability

Material Properties

Crystal structure	Cubic system
Lattice constant	12.01 Å
Melting point	1970°C
Moh's hardness	8.5
Density	4.56±0.04 g/ cm3
Specific heat	0.59J/ g.cm3 @0-20℃
Elastic Modulus	310GPa
Young's modulus	3.17×10 4 Kg/ mm2
Poisson's ratio	0.3
Tensile strength	0.13~0.26 GPa
Coefficient of thermal expansion	[100] Direction: 8.2×10 -6 /K @0~250℃
	[110] Direction: 7.7×10 -6 /K @0~250℃
	[111] Direction: 7.8×10 -6 /K @0~250℃
Thermal conductivity	14W/m/K @20℃
Thermal conductivity	10.5W/m/K @100℃
Thermo-optic coefficient (dn/dT)	dn/dT =7.3×10 -6 /K
Thermal shock resistance	790W/m
Solubility	Insoluble in water, slightly soluble in common acids

Product Parameters

Doping concentration	Nd: 1.1～1.4at%, Ce: 0.05～0.1at%
Orientation	[111], ±5°
Wavefront distortion	≤ 1/4 lambda/25mm
Extinction Ratio	≥28dB
Size	Diameter: 3 ~ 6mm , length: 40 ~ 80mm can be customized according to customer requirements
Dimensional tolerance	Diameter: +0.00/-0.05mm , Length: ±0.5mm
Cylindrical processing	Grinding or Polishing
Parallelism of end faces	≤10"
Perpendicularity	≤5′
Flatness of end face	λ/10 @632.8nm
Surface Quality	10-5 (MIL-O-13830A)
Chamfer	0.15±0.05mm