Can a laser pointer reach the moon?
The typical red laser pointer is about 5 milliwatts, and a good one has a tight enough beam to actually hit the Moon—though it’d be spread out over a large fraction of the surface when it got there.
The atmosphere would distort the beam a bit, and absorb some of it, but most of the light would make it..
What is the most powerful laser you can legally own?
Spyder IIIThe Spyder III, the World’s Most Powerful Portable Laser, Is a Real Life Lightsaber. The most powerful handheld laser in the world.
What is the most dangerous laser?
a lightsaber with a blue beam that can burn retinas and set skin on fire. The Spyder III Pro Arctic features a 1 watt laser the company warns is the most powerful portable laser available. The beam is a thousand times more powerful than sunlight on skin and the manufacturer warns it could cause cancer.
What color is the most powerful laser?
As a general rule, green lasers are 532nm are 5-7X brighter than any other laser color, at the same power. Whether blue, red, purple/violet, or a light color like yellow, green is the best at strength for visibility.
What makes a laser more powerful?
Not every laser we buy from our suppliers produces the same output level. The key is the KTP crystal (KTiOPO4). A crystal with good efficiency produces a more powerful beam than a less-efficient crystal using the same current. You can compare this with two gasoline engines, one more efficient than the other.
Which color laser is most dangerous?
blueOut of the visible colors, blue, ~445nm is probably the most dangerous since it’s absorbed so well, however going by absorption, shorter 405 purple would be even worse…