Nd:YVO4 is one of the most promising commercially available diode pumped solid state laser materials.
Its large stimulated emission cross-section at lasing wavelength, high absorption coefficient and wide absorption bandwidth at pump wavelength, high laser induced damage threshold as well as good physical, optical and mechanical properties make Nd:YVO4 an excellent crystal for high power, stable and cost effective diode pumped solid-state lasers.
Nd: YVO4 can produce IR green and blue laser by using minor different set-up. A broad absorption band centered at 808nm and favorable mechanical properties make Nd:YVO4 well suited for compact, efficient, high power diode-pumped lasers. Natural birefringence gives rise to a highly polarized output at 1064.3 and 1342nm.
Low lasing threshold and high slope efficiency
Low dependency on pump wavelength
Large stimulated emission cross-section at lasing wavelength
High absorption over a wide pumping wavelength bandwidth
Optically uniaxial and large birefringence emits polarized laser
Laser Properties of Nd:YVO4 VSNd:YAG
Stimulated emission cross-sections (σ)
Absorption Coefficient (α)
Fluorescent Lifetime (τ)
Absorption Length (La)
Threshold Power (Pth)
Pump Quantum Efficiency
Atomic Density (Nd1.0%)
1.26 x1020 atoms/cm3
Zircon Tetragonal, space group D4h
Thermal Expansion Coefficient
914nm, 1064 nm, 1342 nm
Thermal Optical Coefficient
Stimulated Emission Cross-Section
25.0x10-19cm2 @1064 nm
90us @808 nm, (50us @808 nm for 2atm% Nd doped)
31.4 cm-1@808 nm
0.32 mm @808 nm
Less than 0.1% cm-1@1064 nm
0.96 nm (257 GHz) @1064 nm
Polarized Laser Emission
ppolarization, Parallel to optic axis (c-axis)
Diode Pumped Optical to Optical Efficiency
Sellmeier Equation (for pure YVO4 crystals, λin um)
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