UV-A Long-wave UV-A, with a wavelength between 320 and 400 nanometers, is also known as long-wave black spot effect ultraviolet rays. It has strong penetrating
Whether it is made of inorganic or organic materials, in daily use, friction with dust or grit (silicon oxide) will cause the lens to wear
After the optical lens is finely ground by the abrasive liquid, there is still a crack layer about 2–3m thick on the surface. The method
Optical films can be divided into reflective film, anti-reflection film/anti-reflection film, neutral beam splitter (splitter), cut-off; filter, bandpass filter, polarization beam splitter according to their
Name: Aluminum oxide (AL2O3) It is generally used in intermediate materials. This material has a good packing density and a zona pellucida in the region
In the plating of optical thin films, as the requirements for film quality increase, various plating methods have been continuously researched, and the test after
Optical touch technology is a new technology that is different from the existing infrared, surface acoustic wave, resistance, capacitance and other touch technologies. The optical
Fluorescence filters refer to various filters used in fluorescence systems, including the extraction of fluorescence energy or the acquisition of fluorescence imaging. Its main feature
1. Wearing finger cots, there are substances on the hand that are easy to corrode the glass surface, such as acid and salt. If you
Refractive index The refractive index of a certain medium refers to the ratio of the speed of light in vacuum to the speed of light
Surface Quality The quality of the optical surface is used to measure the surface characteristics of the optical product, and it covers some flaws such
Diameter tolerance The diameter tolerance of circular optics provides an acceptable range of diameter values. This production specification will vary depending on the technical level
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