Optical fiber is the abbreviation for light-guide fiber. Optical fiber communication is a communication method that uses light waves as the carrier and optical fiber as the transmission medium.Brief i...
1. Introduction to double concave lensA double concave lens is also called a negative spherical lens. The middle of the lens is thin, the edge is thick, and it is concave, so it is also called a conca...
1. What is a cylinder lens?Cylinder lenses are similar to spherical lenses because they all use curved surfaces to focus or diverge light, but cylindrical lenses only have the ability to converge or d...
As public and personal safety win more and more attention nowadays, the global market of security camera will continue to maintain a high boom in the next few years, and the Chinese market is the main...
With the development of the economy, the sales of cars have been maintaining a continuing growth trend globally, and the market of in-vehicle cameras has stepped into a period of rapid growth. The dev...
Interesting optical phenomenon1. The small hole imaging——The straight line propagation of light.2. The reflection of light——The difference between the mirror reflection and diffuse reflection.3. T...
Endoscope is a testing instrument that integrates traditional optics, ergonomics, precision machinery, modern electronics, mathematics, and software. One has an image sensor, optical lens, light sourc...
The so-called narrow-band filter is subdivided from the band-pass filter and has the same definition as the band-pass filter, that is, the filter allows the light signal to pass through in a specific ...
Optical glass is glass that can change the direction of light propagation and can change the relative spectral distribution of ultraviolet, visible, or infrared light.
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