Advantages Of Nd:YAG：
　　•   High gain;
　　•   Low threshold;
　　•   High efficiency;
　　•   Low loss at 1064nm;
　　•   Good thermal conductivity and thermal shock characteristics;
　　•   Mechanical strength;

       •   High optical quality;

　　•   Material characteristics that allow for various modes of operation (CW, pulsed, Q-switched, mode locked).

Table 1.Basic Properties

Specifications of Nd:YAG crystal from CASTECH：

      •   Dimention: size up to dia.15x180mm  and maximum diameter of  dia.40mmx2mm;
       •   Nd Dopant Level: 0.3~2.0(±0.1)atm%;
       •   Diameter Tolerance： ±0.05mm；
       •   Length Tolerance：±0.5mm；
       •   Perpendicularity：＜5′；
       •   Parallelism：＜10″；
       •   Wavefront distortion：λ/8;
       •   Flatness：λ/10;
       •   Surface quality: 10/ 5 @ MIL-O-13830A;
       •   Coatings：HR-Coating: R>99.8%@1064nm and R＜5% @808nm;
　                          AR-Coating (Single layer MgF₂)：R<0.25% per surface (@1064nm);
       •   Other HR coatings, such as HR @1064/532 nm, HR @946 nm, HR @1319 nm and other wavelengths are also available;
       •   Damage Threshold: >500MW/cm^{‍‍‍‍‍‍‍‍‍‍2} .

High grade or specific Nd:YAG rods or slabs, and Nd:YAG rods for 946nm and 1319nm lasers can be provided. Er:YAG, Yb:YAG and other ion doped YAG crystals are also available upon request.