Nd:YVO4

Advantages: u Lower lasing threshold and higher slope efficiencyu Low dependency on pumping wavelength and tend to single mode outputu Large stimulated emission cross-section at lasing wavelengthu High absorption over a wide pumping wavelength bandwidthu Optically uniaxial and large birefringence emit strongly-polarized laserSpecifications:Dopant concentration 0.5 3.0 atm % Boule Dimension Diamater:25 30mm, Length:40 60mm Dimensional tolerances Diameter: ± 0.5mm ,Length: +0.2mm, -0.1mm Parallelism ≤10" Perpendicularity ≤5 ' Surface Quality 10/5 (MIL-O-13830A) Flatness <λ/4 @ 632.8 nm AR Coating Reflectivity Upon request of customer Main properties of Nd:YVO4 crystal:Space group D4h-I4/amd Lattice Parameters a=b=7.12Å, c=6.29Å Density 4.22 g/cm3 Mohs Hardness Glass-like, 4 5 Thermal Expansion Coefficient α a=4.43x10-6/K, α c=11.37x10-6/K Thermal Conductivity Coefficient | |c: 5.23 W/m/K; c: 5.10 W/m/K Lasing Wavelengths 914nm, 1064 nm, 1342 nmThermal Optical Coefficientdno/dT=8.5x10-6/K, dne/dT=3.0x10-6/KStimulated Emission Cross-Section25.0x10-19 cm2 , @1064 nmFluorescent Lifetime90 μ s @ 808 nmAbsorption Coefficient 31.4 cm-1 @ 808 nmAbsorption Length 0.32 mm @ 808 nmGain Bandwidth0.96 nm (257 GHz) @ 1064 nmDiode Pumped Optical to Optical Efficiency π polarigation;> 60%