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The quarter-wavelength film used for IR infrared coating is 10-20 times thicker than the visible light area. Therefore, although the level of stress and absorption

The formation of quartz window sheet is caused by the high temperature viscosity of its melt. It is widely used in the manufacture of semiconductors,

With the continuous upgrading of the optical industry, the application of optical lenses and filters is becoming more and more popular. Quartz glass is the

The infrared temperature measurement window is mainly used for the internal temperature measurement of various high-voltage switchgear cabinets, metal armored cabinets, urban ring-network cabinets and

The polarizing beam splitter prism is made of two high-precision right-angle prisms glued on the bevel, and coated with a polarizing beam splitter film on

A filter is a kind of optical filter in the shape of a piece. Usually its transmittance (reflectivity) is related to the wavelength, and some

A biconcave lens is composed of two inward curved surfaces and has a negative focal length. It is often used to increase the focal length

The beam-combining mirror is used to combine the light of two wavelengths into a light path through transmission and reflection. In laser processing, it is

A triangular prism, referred to as a prism for short, is a triangular cylinder formed by the intersection of various planes of the glass transparent