Excel is controlled by laser pointer
Are you looking for a high-potential laser or infrared laser pointer crow for positioning and aiming in the military? Different laser tools will find different values ​​for each army. The 532nm green laser pointer is the brightest light color in the human eye, but it is often misunderstood as the most suitable for engraving. The actual situation is not the case, because the color does not determine the engraving ability, it is determined by the force itself. For example, 200mW green will burn like any other 200mW color, and vice versa. These are the simplest indicator laser diodes available at these wavelengths. The pointer is just a battery-powered laser diode. The first green laser pointer released in the early 1980s were large and bulky devices that sold for hundreds of dollars. Today, they are smaller and usually cheaper. In the 21st century, a diode-pumped solid-state (DPSS) red laser pointer with an emission wavelength of 671 nm can be used. This wavelength can be obtained directly with an inexpensive laser diode, but the DPSS design can be used to achieve higher beam quality and narrower spectral bandwidth.
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The quality of the laser crystal is particularly important. Low cost is the reason for the low price, so the quality of laser crystals manufactured in large quantities is poor. Although the price of sloppy laser pointers is low, there is always danger in the beginning. People still choose sloppy laser crystals. In the same output power range, a sloppy high powered laser pointer is not as bright as a real laser pointer. Sloppy laser crystals usually do not have infrared lasers. Infrared light is very dangerous and people will not notice it until it seriously damages the eyes. Therefore, when using a laser pointer with a wavelength of 532NM, pay special attention to whether it will pass the IR filter or not. The infrared filter laser pointer is not only brighter than a sloppy laser, it is also the safest choice for laser lovers.
2021-12-30 13:24:39
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