What the precautions for buying powerful laser light?
If you are a buyer of Laser pointer, you will find changes in laser color, output power, design features, visibility and accessories. Different colors are very different in every way. A parallel lamp 6 meters away can ignite the cardboard in a few seconds. If you want to light it, you can only use appropriate paper near the focus. The light on the wall is dazzling. Goggles must be worn when working nearby.Powerful laser light arrow was once the "standard configuration" of Chinese fans. Before players start playing, when reporters enter the word "high-power laser pointer", it can search thousands of related products. According to the wavelength, the light emitted by these laser pointers is divided into red, green and blue.
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Technology
Many suppliers said in the demonstration that the light emitted by the laser pen can "extinguish matches", "light pipes" and even "light cigarettes". The unit energy of laser indicators is in Watts - at least 3 megawatts (that is, some salespeople even claim that the prices of these laser indicators are different). These powerful laser light usually require only a few buttons or dry batteries. Pointer. Although some salespeople claim that their laser pen has more power, they also frankly say that they are actually called high heat. Generally speaking, the actual power of the laser pen is lower than the specified power. " I spent 200 yuan to buy a red laser pointer with a rated output power of 250 mW. In communication with the seller, the reporter found that the parts for manufacturing high-power laser pointer are easy to find. If there are switches, laser diodes (semiconductor materials), individuals can create simple family elements. Laser arrow.
2021-09-03 11:14:16
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