Why do I have to use a laser pointer?
Green laser pointers are now the most popular and cheapest laser pointers in the world, because green light is six times higher than red light, significantly higher than red light beams, and the price is cheaper than many blue and yellow ones. Users generally use a green high power laser pointer. The powerful 3000mw green laser pointer emits light at a wavelength of 532nm, the laser type is Class IIIA, and uses two AAA batteries. The brightness of the green laser pointer is relatively objective, so the risk to the eyes is relatively high, and the higher the power, the more dangerous it is.
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Some tips about laser pointers
1. Laser equipment should be reclassified to lower the upper threshold for 3000mw Class 4 laser pointers (or apply collimation criteria to avoid excessive irradiance). Furthermore, in the future it will be necessary to translate the standard NF EN 60-825 (or the reference text in French law) into a plain language that all users can use.
2. Laser equipment should be marked with an indelible grade and power mark on the equipment itself.
3. The prohibition against selling (and possibly owning) Class II (new) and above green laser pointer equipment to the (non-professional) public shall be maintained.
So I myself have a small red laser pointer with 5mW power (usually it's more powerful than the pointers in most people's homes) and it points very far I would say about 1000 meters. I accidentally saw half in the eye via reflex, twice, and once via direct contact. So far I have had no vision issues other than strabismus issues.
2022-01-29 09:01:26
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