Sapphire, or aluminum oxide diamond, is a common gemstone material that possesses a high degree of optical transparency and excellent physicochemical properties, and therefore has been widely studied and applied to optical devices, laser technology, microelectronics, and other fields in recent years.
For the application of aspherical surface and the accuracy requirements are different, its processing methods are different. According to the process characteristics, the aspherical surface processing methods can be divided into three categories: injection molding, molding and cold processing.
A total solar radiation meter is an instrument used to measure the total solar radiation, which is based on the principle of extrapolating the total solar radiation by measuring the energy loss of sunlight as it passes through the atmosphere.