GB/T 44567-2024 Optics crystal—Ultraviolet grade calcium fluride crystal

GB/T 7962.1-1987 Colorless optical glass test methods Refractive index and coefficient of dispersion GB/T 7962.1-2010 Test methods of colourless optical glass—Part 1:Refractive index and coefficient of dispersion GB/T 7962.2-1987 Colorless optical glass test methods Test method by collimator for optical homogeneity GB/T 7962.2-2010 Test methods of colourless optical glass—Part 2:Optical homogeneity—Fizeau plano-interferometry GB/T 7962.5-1987 Colorless optical glass test methods Middle stress birefringence GB/T 7962.5-2010 Test methods of colourless optical glass—Part 5:Stress birefringence GB/T 7962.16-1987 Colorless optical glass test methods Linear thermal expansion coefficient and trasformation temperature GB/T 7962.16-2010 Test methods of colourless optical glass—Part 16:Linear thermal expansion coefficient,transformation temperature and yield point temperature GB/T 7962.20-1987 Colorless optical glass test methods—Density GB/T 7962.20-2010 Test methods of colourless optical glass—Part 20:Density GB/T 16534-1996 Test method for Vickers hardness of high performance ceramics GB/T 16534-2009 Fine ceramics(advanced ceramics,advanced technical ceramics)—Test method for hardness of monolithic ceramics at room temperature GB/T 22588-2008 Determination of thermal diffusivity or thermal conductivity by the flash method