Nd:Ce:YAG

Crystals >>> Laser Crystals >>>  Nd:Ce:YAG

Nd:Ce:YAG is an excellent laser material used for no-water cooling and miniature laser systems. 

Advantages of Nd:Ce:YAG Crystals:

  • High efficiency 

  • Low threshold

  • Good anti-UV irradiation property

  • Good thermal stability

  • High optical quality

Main Specifications  
Dopant concentration Nd:1.11.4at%,Ce:0.050.1at%
Orientation [111] within 5
Wavefront distortion  ≤ 0.2λ/inch
Extinction Ratio ≥28 dB
Rod Sizes Diameter:36mm,Length:4080mm 
Upon request of customer
Dimensional Tolerances Diameter+0.000"/-0.002",Length 0.02"
Barrel Finish Ground Finish: 400# Grit
Parallelism ≤10"
Perpendicularity ≤5′
Flatness λ/10
Surface quality  10-5(MIL-O-13830A)
Chamfer 0.006"0.002" at 45 5
AR coating reflectivity  ≤ 0.25% (@1064nm)

  

Optical and Spectral Properties  
Laser Transition 4F3/2--> 4I11/2
Laser Wavelength 1.064μm
Photon Energy 1.8610-19J@1.064μm
Emission Linewidth 4.5 @1.064μm
Emission Cross Section (Nd1at%) 2.7~8.810-19cm-2
Fluorescence Lifetime (Nd1at%) 230μs
Index of Refraction 1.8197@1064nm
Physical and Optical properties
Crystal Structure Cubic
Lattice Parameters 12.01
Melting Point 1970C
Moh Hardness 8.5
Density 4.560.04g/cm3
Specific Heat (0-20) 0.59J/g.cm3
Modulus of Elasticity 310GPa
Young's Modulus 3.17104Kg/mm2
Poisson Ratio 0.3(est.)
Tensile Strength 0.13~0.26GPa
Thermal Expansion Coefficient [100]Direction:8.210-6/C(0~250C)
[110]Direction:7.710-6/C(0~250C)
[111]Direction:7.810-6/C(0~250C)
Thermal Conductivity 14W/m/K(@20C)
10.5W/m/K(@100C)
Thermal Optical Coefficient (dn/dT) 7.310-6/C
Thermal Shock Resistance 790W/m
Solubility Water: Insoluble;
Common Acids: Slightly

 

 

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