Laser features: high brightness, strong monochrome, good parallelism. It has a stable frequency, but it can have a lot of specific frequencies, so it can have a colorful laser. The color of the laser depends on its wavelength, which in turn depends on the active substance emitting the laser, the kind of material that produces it when stimulated. In the process of high power laser processing, there are many factors affecting laser thermal processing. For the laser beam, the main factors are the focus power density, focal spot shape, intensity distribution and focal spot drift, etc. These parameters are not only related to the laser output power, but also depend on the distribution and stability of beam mode.
The generation of laser plays an important role in scientific research
The emergence of high powered laser, has brought a lot of influence for the development of society, I believe that with the rapid development of science and technology, we will be more and more bright
The interaction between laser and matter has brought great impetus to scientific research, national production and economic development. Laser processing is one of the least difficult and most economical methods to prepare superhydrophobic materials. Laser processing does not involve mechanical operation
Dynamics, such as the hardness and toughness of the material, do not affect the final result, and laser processing reduces the likelihood of cracks and holes in the material. Laser refers to a coherent enhanced beam of photons produced by stimulating atoms to cause electron transitions to release radiative energy.
What's the difference between a laser and other light?
One of the reasons lasers are so dangerous is that, unlike light bulbs or the sun, their light is collimated into small beams. For non-laser sources, the energy diffuses over a large area before reaching our eyes (unless you look directly at the sun -- which we've all been warned not to do, as this can also damage the eyes). Another danger unique to infrared lasers is their lack of visibility. We can stare directly at an infrared laser beam without seeing it, because the human eye cannot see its wavelength at all. Our instinct to blink and look away isn't triggered, and we don't feel uncomfortable. Because we do not have a natural tendency to avoid exposure to infrared laser radiation, we run the risk of being exposed for too long and causing significant damage.
