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  • Nd:Ce:YAG Laser Crystals
  • Nd:Ce:YAG Laser Crystals

Nd:Ce:YAG Laser Crystals

  • Low threshold and very high slope efficiency
  • Good thermal stability and high optical quality
  • Good anti-V irradiation property

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Dopant Concentration Nd: 0.9-1.3 atm %,
Ce : Nd=1:10
Orientation <111> crystalline direction within 5℃
Flatness <λ/10 Parallism ≤10 arc seconds
Perpendicularity ≤5 arc minutes Surface Quality 10/5 S/D MIL-O-13830A
Optical Quality Interference fringes ≤ 0. 25 λ /inch
Extinction ration ≥ 30dB
Size Diameter: 3~8mm,
Length: 40~80mm
Upon request of customer
Dimensional Tolerances Diameter: +0.000"/-0.05"
Length: ±0.5"
AR-Coating Reflectivity ≤ 0.2% (@1064nm)


Physical and Chemical Properties:

Chemical Formula Nd3+: Ce3+: Y3Al5O12 Crystals Structure Cubic
Lattice Parameters 12.01Å Melting Point 1970℃
Moh Hardness 8.5 Density 4.56 ± 0.04g/cm3
Specific Heat(0-20) 0.59J/g.cm3 Modulus of Elasticity 310Gpa
Young’s Modulus 3.17×104Kg/mm2 Poission Ratio 0.3(est.)
Tensile Strength 0.13~0.26Gpa Thermal Expansion Coefficient [100]:8.2 × 10-6 /℃
[110]:7.7 × 10-6 /℃
[111]:7.8 × 10-6 /℃
Thermal Conductivity 14W/m/K(@25℃ ) Thermal Optical Coefficient (dn/dT) 7.3×10-6 /℃
Thermal Shock Resistance 790W/m


Laser Properties:

Laser Transition 4F3/2 --> 4I11/2 Laser Wavelength 1.064μm
Photon Energy 1.86×10-19J@1.064μm Emission Linewidth 4.5A @1.064μm
Emission Cross Section 2.7~8.8×10-19cm-2 Fluorescence Lifetime 230μs
Index of Refraction 1.8197@1064nm

Nd:Ce:YAG crystal is an excellent laser material used for no-water cooling and miniature laser systems. The (Nd, Ce): YAG laser rod we produce has the characteristics of high efficiency, low threshold, anti-violet radiation and high repetition frequency for lasers operation. It has achieved the international advanced level. It is the most ideal laser material for the high repetition air cooling lasers. It suitable for different modes of operation (cw, pulsed , Q-switched, mode locked, doubling of frequency ) and high-average power lasers.