c
ND:YAG Your Are Here: Home > Products>Laser crystals>ND:YAG Neodymium Doped Yttrium Aluminum Aluminum Garnet(Nd:YAG)Crystal Neodymium Doped Yttrium Aluminum Garnet-Nd:Y3A15O12(Nd:YAG) with high efficiency, high beam damage threshold and good heat conductivity ,has been applied to activate and sensitize ion so as to enhance the laser output. Therefore, it has been continuous to be the most widely used solid state laser material. At room temperature, it can work in continuous, pulsed and many other modes in which the continuous modes is its most efficient mode whose laser output has reached KW level. Basic properties of Nd:YAG crystal Chemical Formula: Nd:Y3Al5O12 Crystal Structure: Cubic Lattice Constant: 12.01? Melting Point: 1970°C Density: 4.5g/cm3 Refractive Index 1.82 Thermal Expansion Coefficient: 7.8x10-6 /K Thermal Conductivity(w/m/k): 14,20°C 10.5,100°C Mohs Hardness: 8.5 Stimulated Emission Cross-Section: 2.8x10-19 cm-2 Relaxation Time of Terminal Lasing Level: 30ns Radiative Lifetime: 550 ms Spontaneous Fluorescence: 230 ms Linewidth: 0.6nm Pump Wavelength: 807.5nm Polarized Emission: Unpolarized Thermal Birefringence High Pump Wavelength Absorption Band: 1nm Loss Coefficient: 0.003cm-1@1064nm u Advantages: l High gain, low threshold, high efficiency l Low loss at 1.06 um, high optical quality l Good mechanical and thermal properties l Easy to operate in TEM00 mode l A variety of operate modes (continuous, pulsed, Q-switched, mode-locking) Basic properties of Nd:GdVO4 crystal Crystal Structure Tetragona Space Group I41/amd Lattice Parameter a=0.721nm, b=0.635nm Lasing Transition 4F3/2 → 4I11/2 Lasing Wavelength 1062.9nm Emission Cross Section (at 1064nm) 7.6x10-19 cm2 Absorption Cross Section (at 808nm) 4.9x10-19 cm2 Absorption Coefficient (at 808nm) 74cm-1 Index of Refractivity (at 1064nm) n0=1.972, ne=2.192 Thermal Conductivity () 11.7W/(mxK) Density 5.47g/cm3 Nd Dopant Level (atomic) 0.1%, 0.2%, 0.3%, 0.5%, 0.7%, 1.0%...