26/7.2018
Numerical control machine tool is an important basic equipment of machine tool manufacturing.In recent years, China's machine tool manufacturing industry is facing both the opportunity of manufacturing equipment development and the pressure of market competition.From the perspective of technology, accelerating CNC technology will be a key to the sustainable development of machine tool manufacturing.At present, the wo
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26/7.2018
1. Crystal class of alkali halides: such as lithium fluoride, sodium fluoride
2. Crystals of alkali soil-halogen compounds: calcium fluoride, barium fluoride, strontium fluoride
3. Oxide crystals: sapphire (aluminum oxide), quartz (silicon dioxide), magnesium oxide
Mineral crystals: strontium carbonate, barium titanate
Semiconductor crystals: lead sulfide, lead selenide, cadmium telluride
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The temperature coefficient of refractive index (dn/dt) of some materials is large, resulting in a larger focal distance with temperature drift.If the operating temperature range is wide, appropriate selection of infrared optical materials or necessary measures must be taken to compensate....26/7.2018
Infrared transmission material refers to the material that can pass through the infrared radiation, and the components used to make infrared instruments, such as the window of the infrared detector, the lens and prism of...26/7.2018
As can be seen from the physical and chemical properties of zse materials, it is a good transmission line at 0.5 to 22 microns, covering the range of visible -- infrared band, and is an excellent material for all-weather...