How to judge the laser pointer output power?
The green laser pointer comes from a diode-pumped laser diode, not a terminating laser diode. Professionals obtain the 532nm green laser in three steps. In the first step, a formal standard laser diode will produce infrared light with a wavelength close to 808nm. The second step is to focus the near-infrared light onto the neodymium crystal, which converts the light into a 1064 nm infrared laser. In the third step, the 1064nm infrared laser passes through the frequency doubling crystal and emits green light with a wavelength of 532nm. The long-distance laser pointer is made of high-quality green laser pointer module, high-quality optical glass lens, control circuit and housing. It is a high-performance, high-transmittance gadget that can create good night vision effects and perfectly transform your sniper rifle into a real night hunter. Even on a moonless night, it can provide maximum illumination. Combined with a powerful green laser diode and a precise optical collimator, it allows you to project a bright green laser beam to fully illuminate targets up to 300m away. The optical collimator only needs to rotate 360 degrees to quickly and completely adjust the beam diameter and intensity.
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When using a slide show, you are using some notebooks or organizers provided by the meeting organizer. In the latter case, there are several disadvantages: 1. The organization will treat your presentation as a file, and you can do whatever you need for the recording. 2. The organization's computer may not have all the necessary software installed. The demo software may not be updated to the latest version. In particular, there may be a problem with the video data: your video runs on your laptop, not your company's computer (this happened to me a month ago). Now the projector is very smart and can handle Windows and Apple laptops.303 The green high powered laser pointer is a high-power laser pointer, a pointer commonly used by astronomers. Green is more suitable for viewing the night sky than other colors because the human eye is more sensitive. You can point the beam to emphasize the constellation, and the light from the laser seems to reach where you are pointing. This green laser pointer is powerful and can work normally even in the bright night sky.
2021-12-13 11:38:26
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