How to properly use the laser pointer outdoors?
Laser pointers are becoming more and more popular among astronomers. Astronomers all over the world are adding high-power lasers to their kits, so it will take some time to provide tips on how to use laser pointers safely. The main use of lasers in astronomy and starry sky observation is to help identify constellations, stars and planets. Although federal authorities are increasingly complaining that this aircraft is the target of malicious and irresponsible laser owners. For outdoor signal indication at night, you need to choose a higher power green laser or blue laser. If you choose a green laser, the power needs to be greater than 50mw, 50mw, 100mw, or 300mw. The greater the power, the clearer the brightness of the beam at night, and the longer the range. It can be effectively used for signal communication between teammates and even for help.
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Because Laser pointer are dangerous, especially high-power lasers for outdoor use, laser flashlights using lithium batteries, the focal point of the laser has a certain degree of heat after focusing, which can cause physical damage. When using, make sure that the laser cannot be aimed at others or yourself, and be careful not to aim at easily ignited substances when using it at close range. The laser beam has a dazzling effect at close range. Do not observe the beam at close range for a long time, or deliberately observe the beam. The scattered light of the laser beam will make your eyes tired. Do not lend the laser pointer to other third parties who do not understand the dangers of lasers. If you have to borrow, you must clearly tell the other party the correct usage and precautions.
2021-10-06 09:47:27
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