Manufacturing method of laser pointer listener
Both laser applications basically use the same system technology, because in both cases focused infrared light (laser radiation) is used in the processing steps. The main difference lies in the type of application of the process gas. When using green laser pointer cutting, the shielding gas or active gas is guided to the processing area at high pressure to blow down the produced melt, while when using laser welding, the (dedicated) shielding gas is distributed over a larger area with a smaller pressure . The melt should not be removed, but should only be protected from the environment before it solidifies again. In industrial manufacturing technology, lasers are used in various manufacturing processes. For this, they run on laser processing machines or laser scanners. Lasers are suitable for forming, cutting, joining, coating and changing the properties of many materials, such as wood, plastic, paper and metal. Laser cutting is also called laser beam cutting, which refers to cutting materials by continuous or pulsed laser radiation through material ablation (removing material by heating).
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The wavelength of laser radiation: Simply put (in the visible light range) is also the "color" of the laser. This is an important parameter because every material has an absorption level that depends on the wavelength. For example, in the case of copper, the relative absorption coefficient of a standard infrared high powered laser with a wavelength of 1064 nm is only about 5%, while the relative absorption coefficient of a green laser with a wavelength of 532 nm is 40%. Laser eyes are an alternative to glasses or contact lenses. In the case of corneal or retinal diseases, treatment with eye laser can help correct these weaknesses. Various techniques are used. The excimer laser changes the cornea of the eye by changing the refractive power of the eye. The refractive power is the intensity of the incident light rays gathered in the eye. These are measured in diopters. For people with normal vision, the refractive power is approximately 65 diopters. A high value indicates hyperopia; a low value indicates myopia.
2021-12-30 13:26:03
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