The commonest laser-active exceptional earth ions and host media along with some standard emission wavelengths are proven in the next table:激光晶体的极化性能可能会影响输出激光束的质量和特性。有些激光晶体产生线性偏振光，这对某些应用可能有益。激光晶体是固态激光器的核心。它们是光放