How far can a 2000 mW laser go?

A 2000 mW green laser is a flashblindness hazard to 5,200 feet (~1 mile), a glare/disruption hazard to 24,000 feet (4.5 miles), and a distraction hazard to 234,000 feet (44 miles).

How far can a 10000 mW laser go?

With such a portable tool, you can point at any target as far as 5000 meters.

How many mW is a powerful laser?

Visible laser pointers (400–700 nm) operating at less than 1 mW power are Class 2 or II, and visible laser pointers operating with 1–5 mW power are Class 3A or IIIa. Class 3B or IIIb lasers generate between 5 and 500 mW; Class 4 or IV lasers generate more than 500 mW.

How far can the longest laser reach?

A 270-kilometer optical fiber has been transformed into the world's longest laser, a feat its inventors believe will lead to a radical new outlook on information transmission and secure communications.

What is the most powerful laser you can buy legally?

Under federal law, it is perfectly legal to sell any laser above 5 mW as long as the laser complies with FDA/CDRH laser product requirements for labels, safety features, quality control, etc. AND as long as the laser is not promoted as a “laser pointer” or for pointing purposes.

Green Lasers: What Can Certain mW Do?

How far does a 532nm green laser go?

Green Laser Pointer, 532nm, Range to 3,000 Ft.

Can my laser 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.

How far can a 1mw laser go?

The 1 mW red pointer has a glare distance of 255 feet, compared to the same power green laser, which can cause glare at 490 feet.

What laser can start a fire?

Briday Class 4 laser pointers are the perfect choices to used as a burning tool. In contrast to green or red laser pointers, blue laser beam is dim but more powerful to able get stuffs burned.

How far can a 5 mW laser go?

A 5 milliwatt laser: a distraction 2 miles away

It is a potential eye hazard from the pointer to about 52 feet. It is a temporary flashblindness hazard from the pointer, out to about 260 feet.

Can a 500mW laser burn?

You'll need 500mW or above to really get the max burning ability, and always the higher the power the better for distance and burning.

Can a green laser start a fire?

A green beam laser can also light paper or other flammable materials on fire, though it may take longer for the fire to start. The higher the power rating of the laser pointer is, the faster it will light a match. Laser pointers can range from 50mW to 200mW or more in power.

Is 1 mW laser safe?

At low power, less than a thousandth of a Watt or 1mW, laser pointers are useful and bright but still safe. Straying above that power, however, risks eye damage if the laser beam is shone into someone's eyes.

Is 1mW laser powerful?

If a Class 1 device is modified, laser exposures are possible. Class 2 lasers are low power (< 1mW), visible light lasers that could possibly cause damage to a person's eyes.

Does a laser go on forever?

The light from a laser in space would continue on forever unless it hit something. However, if you were far enough away, you wouldn't be able to detect the light. A projectile would also continue on forever unless it hit something. Lasers produce light that can be tightly focused.

Can a laser reach Mars?

Engineers from Canada claim that a laser-based system to reach Mars could tremendously cut the time it takes to reach the Red Planet. According to NASA's estimates, it would take about 500 days for humans to reach Mars at current speeds.

Can a laser destroy a mirror?

Ryan Hoffman, Counter-Directed Energy program manager, says that mirrors protect well against low-power lasers. “However, reflective surfaces are not 100 percent reflective,” he says. “The small amount of laser energy that's absorbed will heat the mirror and cause damage.”

Can you point a laser at Mars?

T​he short answer: no. By the time the light finally reached Mars, the glint would be a million times dimmer than the faintest light visible to the human eye.

How far will a Class 3 laser go?

The Nominal Ocular Hazard Distance (NOHD) for the most powerful Class 3R visible-beam laser (4.99 mW) with a tight beam (0.5 milliradian divergence) is 104 ft (32 m).

Is 5mW laser powerful?

So the advantage of the 5mW version is: its beam is stronger than the 1mW version's. It could be used in the light pollution area. The advantage of the 1mW is: it is more power-effective than the 5mW version. So it could be used for a longer time than the 5mW version.

What does 532 nm mean on a laser?

532 nm represents second harmonics of fundamental 1064 nm radiation, emitted by Neodymium doped lasing material. Green lasers are used in various applications, such as fluorescence spectroscopy, optical alignment, dermatology, pumping of Ti:Sapphire lasers.