ADG Hot Sale Hair Removal Accessory High Quality Nd Yag Laser Rod 1064nm Q-switch ND Yag Laser Equipment Crystal Rod

Nd: YAG crystal is currently the best solidstate laser material with high gain, low threshold, high efficiency, low loss, good thermal conductivity and thermal shock resistance. It is suitable for a variety of laser operation modes (continuous, pulse, Q-switch, mode locking, frequency doubling, etc.), and is widely used in industry, medical and scientific research fields

Technical Indicators

Doping concentration:Nd: 0.2～1.3at%Crystalline orientation:[111]or[100]，deviation5°withinWavefront distortion:See the table below for details.extinction ratio:See the table below for details.Crystal rod size:diameter:2～15 mm, length:3～200 mmOther on requestDimensional tolerance:diameter:+0.00/-0.05mm, length:±0.5mmCylindrical Processing:400#Abrasive finishing or polishingEnd-face parallelism:≤ 10"Verticality between end face and rod axis:≤ 5′End flatness:λ/10 @632.8nmsurface quality:10-5 (MIL-O-13830A)Inverted side:0.15±0.05mmReflectivity of antireflective film:≤ 0.25% @1064nmLaser Damage Threshold of Coatings:≥500MW/cm2

Extinction ratio and wavefront distortion of crystal rods are shown in the table below.：

Physical and chemical properties

crystal structure:Cubic systemlattice constant:12.01 Åmelting point:1970℃Mohs hardness:8.5density:4.56±0.04g/cm3specific heat:0.59J/g.cm3@0-20℃Modulus of elasticity:310GPaYoung's modulus:3.17×104Kg/mm2Poisson ratio:0.3Tensile strength:0.13~0.26GPathermal expansion coefficient:[100] direction:8.2×10-6/℃@ 0~250℃[110]direction:7.7×10-6/℃@0~250℃[111]direction:7.8×10-6/℃@0~250℃Thermal conductivity:14W/m/K@20℃10.5W/m/K@100℃Thermo-optical coefficient(dn/dT):7.3×10-6/℃Thermal shock resistance:790W/msolubility:Insoluble in water，Slightly soluble in ordinary