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Nonlinear optical crystals are very important for laser frequency conversion. Potassium dihydrogen phosphate (KDP) is suitable for higher harmonic generation of huge laser systems for fusion experiments because it can be grown to larger sizes and also KDP has a high laser damage threshold. It has high optical nonlinearity, large temperature and angular allowance and it is non hygroscopic and mechanically...
The corona resistant property of polyimide (PI) composite films is a very important parameter in the application of electrical insulation materials. The reports show that the ultraviolet (UV) ray in the corona process always destroy the PI. In this background, a novel method using SiO2-coated TiO2 (TiO2@SiO2) particle as dopant in PI has been proposed and the composite films with different content...
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