1. The optical filter should do a good job of cleaningRegardless of whether the optical filter film is coated before or after coating, the degree of cleanliness directly affects the yield of the filte...
With the continuous development of science and technology, people's living standards have also risen to a new well-off era. There are more and more highways, urban roads and vehicles, so there are...
1. Optical properties of transparent optical materials (transmissive materials)It is mainly determined by the transmittance and refractive index of various colors of light, and most of the optical par...
Before cleaning the surface of the optical filter, the cleanliness of the glass surface must be checked, and the cleaning method should be selected based on this. Commonly used inspection methods are:...
Ⅰ. Reasons affecting the performance of narrow band optical filterThere are a certain number of pores in the film. Before the film is not absorbent, the pores in the film are filled by air and the re...
The World's leading trade fair for components, systems and applications of photonic successfully held in Munich, Germany, in April 2022. ECOPTIK participated in this event as an exhibitor.First of...
1. What is a narrow band optical filter?The so-called narrow band optical filter is subdivided from the bandpass filter. Its definition is the same as that of bandpass filter: this filter allows light...
1. What is the plano convex lens?The plano convex lens is a positive lens in the optical system, whose main functions are beam expansion, imaging, beam collimation, focus collimation, the collimation ...
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