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During SPS samples both inside and outside heating, heating can be very rapid. Only after heating the mold and sample conduction to cut off them that is, to achieve rapid cooling, the cooling rate of up to 300 ° C / min, more than [11-12]. Sintering as a new technology, the SPS not been thoroughly studied in the preparation of transparent ceramics field, where the author's laboratory has a SPS equipment imported from Japan, I was committed to the application of the SPS in the preparation of transparent ceramics. SPS technology transparent ceramic sintering. More market share ofgreen laser pointerwill bring more profit.
The advantages of rapid heating characteristics of the SPS technology, conducive to the abnormal growth of the control of grain, while the pressure given by the mold and promote densification; but the disadvantage is heating up fast, holding time is relatively short, which makes the pores completely rule out the more difficult because the movement speed of the pores during the sintering process is relatively slow, but also may lead to imperfect development of the grain, affecting its light transmission properties. SPS transparent ceramics sintered, remains to be further studied. The application of transparent ceramics lighting transparent ceramics have a wide range of uses, was first used on the discharge of high-pressure metal. The light ofgreen laser pointershould be carefully adjusted.
The high-pressure sodium lamp is one of the most representative. Sodium vapor discharge temperatures above l000 ℃, and is highly corrosive, glass tube in such conditions is not working correctly. At present, through extensive research and advanced equipment imported from overseas, domestic production in the high-pressure sodium lamp has matured, the annual domestic manufacturers must produce tens of millions of high-pressure sodium lamp, the market demand of nearly 3 million a year, and each year 10% a 15% growth rate. Laser material in the laser transparent ceramics, the most typical Nd YAG materials serving the state. The market share ofgreen laser pointeris one of the comparison index.
The overall performance of the Nd YAG ceramic laser is superior to high-quality single crystal prepared by other methods, so more goods transparent Nd, and YA (; ceramic is expected to become the next generation of solid-state laser materials. Three infrared window materials, infrared night vision instrument, missiles and laser-guided a new generation of optoelectronic devices, sometimes under very severe conditions for such as: high temperature and narrow, strong friction, and rain strong erosion and erosion in order to ensure the system to normal operation as well as be able to accurately correct to accept from all directions must be used in the external infrared window materials. The customer is really interested in the featured products of green laser pointer.
Transparent ceramics for its excellent performance in this area has a broad application shadow. 4 inorganic scintillator inorganic scintillator in radiation detection plays an often crucial role, is widely used in the field of imaging in nuclear medicine, nuclear physics, high energy physics, oil exploration, and security checks. The most widely used inorganic scintillator inorganic scintillator Shao body, but the potential inorganic scintillation materials, crystal length technology is difficult to achieve, transparent ceramic preparation technology of electro-optic ceramic electro-optic ceramics is a kind of optical properties of the applied electric field and change the ceramic. On this basis, with the appropriate equipment can constitute a the goggles piece and used as the image memory. The manager hopes that the output of green laser pointer can be higher.