Features of laser flashlight
This is a small flashlight whose bulb has been replaced by a single laser diode. It is powered by batteries or batteries. The current is therefore directly converted into a laser beam. The special feature of the flashlight is its thin and powerful beam, which allows it to point accurately at objects at a long distance. The characteristics of laser torch The International Electrotechnical Commission (IEC) divides laser pointers into 5 categories according to their output power and hazard. Lasers with output power greater than 1 milliwatt (mW) are prohibited from being sold in France.
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The laser can be green, red or blue. The green laser is the most dangerous, but it is also the most obvious. Some versions of the speaker are equipped with a pen and a USB key. Some Laser pointer torches have a laser beam in the center and LEDs on the periphery. The characteristics of the laser beam, the laser has the particularity that it easily enters the eyes and is absorbed by the retina. This may cause temporary or partial loss of vision. According to the World Health Organization (WHO), direct exposure of the eyes to a beam of more than 150mW for a few seconds is enough to cause damage to the eyes. The 500mW ray can ignite the object it points at.
2021-09-30 07:42:01
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