GOST R 8.942-2017 保证测量均匀性的状态系统. 国家标准. 标准参考数据. 激光晶体(稀土钨酸钾). 弹性常数. 用于各向同性衍射的弹性光学模块
State system for ensuring the uniformity of measurements. National standard. Standard reference data.Laser Crystals (Potassium rare-earth tungstates). Elasticity constants. Elasto-optic modules for isotropic diffraction