Can class 3 laser Pointers be sold on the market?
Laser Pointers and high powered laser flashlights sold on the market, many of which belong to class IIIB, power more than 5mW, if the laser directly into the eye will cause damage to the eye. Some high-power laser Pointers, diffuse light will also cause damage to the eye, the focus is more easily burned flammable. Laser Pointers are not toys and are not suitable for children. If you are using a high-power laser pointer, you should wear special safety glasses, especially a contact laser. In addition, no matter how powerful the laser is, it should also be avoided into the eyes of yourself and others. Lasers between 5 mW and 500 mW are "Class IIIb" lasers. Damage to the eyes can happen quickly. It is recommended to wear laser glasses when using these lasers.
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Either way, you can't replace laser goggles with sunglasses or a welding mask or anything else. These glasses are complex devices designed for a single purpose. Nothing works, not even close. The astronomical light projected into the night sky by these special types of devices can stretch for kilometers, making it an excellent tool for astronomy to quickly and easily identify and locate stars and other celestial bodies. Like a telescope frame, but it also serves as a visual indicator of place, helping people focus the telescope on desired objects. The 30,000MW laser beam produced by this special type of device is easy to see at night and can penetrate smoke and fog.
2021-11-09 12:36:40
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