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Does anyone have one of those military grade green lasers that can set things on fire? I've seen people build them but I don't have a solder iron :(
A green laser is a laser that emits green light at a wavelength of approximately 532 nanometers. This is in the visible spectrum and is produced by a process called frequency doubling, where the light from an infrared laser is converted to green light.
A green laser has the potential to set fires because it produces a concentrated beam of light that can reach high temperatures. When the beam is focused on a flammable material, it can heat up the material to its ignition point, causing a fire.
Materials that are highly flammable, such as paper, cardboard, or fabrics, are most at risk of catching fire from a green laser. However, even materials that are not typically considered flammable, such as wood or plastic, can still ignite if exposed to a strong enough beam for an extended period of time.
Yes, green lasers can cause harm to humans if they are used improperly or without proper precautions. The bright light from a green laser can cause temporary or permanent vision damage, and the high temperatures it produces can also cause burns.
In most countries, there are regulations and restrictions on owning and using green lasers. In the United States, for example, green lasers with a power output of more than 5mW are considered hazardous and are regulated by the FDA. It is important to check with local laws and regulations before purchasing or using a green laser.