GB/T 45908-2025 Sodium chloride optical components

GB/T 903-1987 Colourless optical glass GB/T 903-2019 Colourless optical glass GB/T 1185-2006 Surface imperfections of optical elements GB/T 1555-1997 Test methods for determining the orientation of a semiconductor single crystal GB/T 1555-2009 Testing methods for determining the orientation of a semiconductor single crystal GB/T 1555-2023 Test methods for determining the orientation of a semiconductive single crystal GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2831-1981 Surface form deviation of optical elements—Inspection methods GB/T 2831-2009 Surface form deviation of optical elements GB/T 7661-1987 Bubble classes for optical elements GB/T 7661-2009 Bubble classes of optical elements GB/T 7962.6-1987 Colorless optical glass test methods Edge stress birefringence GB/T 7962.6-2010 Test methods of colourless optical glass—Part 6:Young's modulus,shear modulus and Poisson's ratio 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 19466.4-2016 Plastics—Differential scanning calorimetry(DSC)—Part 4:Determination of specific heat capacity GB/T 21781-2008 Test methods for melting point and melting range of chemical products—Capillary tube method GB/T 32561.1-2016 Measuring method for chalcogenide infrared optical glass—Part 1:Homogeneity GB/T 32561.2-2016 Measuring method for chalcogenide infrared optical glass—Part 2:Degree of striae GB/T 32561.4-2022 Measuring methods for chalcogenide infrared optical glass—Part 4:Coefficient of optical absorption GB/T 32642-2016 Flat panel displays glass substrate surface roughness measurement method GB/T 34184-2017 Test method for infrared refractive index of infrared optical glass—The deflection angle measurement GB/T 36403-2018 Test methods of infrared transmittance for infrared optical glass—Fourier transform method GB/T 42657-2023 Test method of temperature coefficient of infrared refractive index for infrared optical glass—Normal incidence method GB/T 44567-2024 Optics crystal—Ultraviolet grade calcium fluride crystal GB/T 19466.4-2025 Plastics—Differential scanning calorimetry(DSC) method—Part 4:Determination of specific heat capacity