》 Nd:YAG (Neodymium doped Yttrium aluminium garnet crystal)
〉 Advantages:
1. High Gain, High Efficiency, Low Threshold
2.High Optical Quality and low Loss at 1064nm
3. Good Mechanical and Thermal Properties
4. Easy to operate with TEMOO mode (Q-Switch, pulses, CW)
〉 Specifications:

〉 Properties of Nd:YAG crystal

》 Cr4+:YAG (Chromium doped Yttrium aluminium garnet)
Passive Q-switch crystal
〉 Advantages:
1. High chemicalstability and reliability
2. Being easy to be operated
3. High damage threshold (>500MW/cm2)
4. As high power solid state and compact passive Q-Switch
〉 Specifications:

〉 Properties of Cr4+:YAG
