Where does the high-quality green laser pointer come from?

 The laser can be emitted in the form of a compact beam that does not become larger at a certain distance from the laser. This means that there may be the same degree of danger near and far away from the laser. When used in winter, the red laser pointer may need to be warmed up for a period of time to reach the best brightness. It can be put in a pocket and then put in the battery. The continuous lighting time should not exceed 1 minute. In order to prevent the laser from premature aging or overheating, causing damage to the laser LD or module.

How high is the irradiation point temperature of the laser pointer?

In astronomical research, laser enthusiasts or astronomers may use Class IIIa 532nm 5mw green laser pointer for stargazing. This type of laser pointer is widely used by leading astronomy enthusiasts to point at stars, constellations and other celestial bodies. The laser 20000mw is only visible in a very dark operating environment. Astronomical observers do not need to choose high-power lasers. The irradiation point of the laser pointer not only depends on the output power and apparent brightness of the laser reflected from the surface, but also depends on the color version of the human eye. For example, the human eye is most sensitive to wavelengths in the visible spectrum from 520 nm to 570 nm, but less sensitive to red and blue laser wavelengths. Therefore, the 532 nm green laser is brighter than other color lasers with the same output power. The wavelengths of the red laser are 635 nm and 650 nm, and the wavelengths of the green laser are 515 nm, 520 nm and 532 nm. Lasers of different wavelengths will produce laser beams and spots of different colors during operation. A red laser with a certain output power has a better combustion power than a green laser.

Self-defense: When you are hit by a dangerous animal on the mountain, or robbed by a gangster, and your life and property are threatened, you can use a laser pointer 5000mw for defense, and you can use a high-power laser pointer to scare the enemy. Laser pointers with different output powers and wavelengths will have different production costs and different technical requirements. For example, the price range of a green laser and a 200mw red laser are the same. Red lasers above 300mw are more expensive. Blue lasers, especially high output power, have low raw material costs and low technical requirements. It is always available at a lower price.

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