博文

目前显示的是 五月, 2021的博文

Do you Know These Knowledge Points of Optical Glass?

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As an   Optical Domes Supplier , let me share with you. Optical glass is the foundation and important part of the optoelectronic technology industry, and its components are key components in optical instruments. Optical glass in a narrow sense refers to colorless optical glass. Optical glass lens molding technology is a high-precision optical component processing technology. It puts the softened glass into a high-precision mold, and under the condition of heating, pressure and oxygen-free, it can be directly molded at one time to achieve use. Required optical parts. This technology has now become one of the internationally advanced manufacturing methods for optical parts. Glass Optical Domes The optical glass molding method for manufacturing optical parts has the following advantages: 1. Without the need for traditional rough grinding, fine grinding, polishing, edging centering and other processes, the parts can achieve higher dimensional accuracy, surface accuracy and surface roughnes

Optical Design of Visibility Meter

Visibility meter is an important tool for measuring the degree of haze in the atmosphere. Visibility depends on the interaction between infrared radiation and particles in the atmosphere. The visibility meter is based on the principles of light intensity attenuation and scattering. It determines the visibility of the day by measuring the extinction coefficient of the atmosphere. The  optical components  used in the visibility meter include bandpass filters and convex lenses. After the light passes through the optical lens and the optical filter, the relationship between the optical signal and the total radiation is calculated by the detector, and the visibility value is obtained. The commen  optical lens  is a quartz lens coated with an anti-reflection coating. The quartz lens narrows the divergence angle of the incident beam and increases the energy volume density of the beam. An anti-reflection film reduces the energy loss of transmitted light, thereby increasing the transmittance of

Do you know the Operating Process of Fused Silica?

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  As a   Silicon Domes Manufacturer , share with you. (1) This operation process is suitable for silica sol, the surface layer or transition layer of the shell. (2) The silica sol used in this process is the same as the zircon powder coating, which is 30% silica. (3) The wetting agent and defoaming agent in this process operation are the same as the zircon powder coating. (4) The flow cup viscometer used in this operation is Zahn 5# cup, and the outlet aperture is Φ5.28mm. (5) Coating preparation: Fused Silica Windows 1. The preparation of fused silica powder, 320 mesh (network number: 0.044) 275 mesh (network number: 0.052) 200 mesh (network number: 0.076) 120 mesh (network number: 0.125) The mass fraction of SiO2 in the fused silica powder is 99.5% or more. Among them: 320 mesh accounts for 50%, 200 mesh accounts for 25%, and 120 mesh accounts for 25%. The percentage is calculated as mass fraction, that is, weight ratio. 2. The viscosity of the paint is 50~60 seconds, strictly contro