A 200MW laser pointer for burning
As a general rule of thumb, note that lasers below 200mW do not provide enough heat to burn, but lasers above 200mW produce enough heat to be considered a thermal laser. That's important. If you're looking for a laser that can illuminate matches, etc., make sure it's at least 200mW. Cheap 10,000 MW super strong green laser pointer lasers, each laser (I find the term "laser pointer" inappropriate since class 3B or even Class 4 lasers are no longer "indicators", even if they are built into pen-like cases) has its own sharp wavelength. But different 10-watt laser Pointers operate over very different wavelength ranges.
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Customs has the right to simply test the laser pointer during the inspection process in order to make an initial assessment of whether it might be a subject of prohibition and restriction. As this assessment is made by the Consumer Protection Office as a market watchdog, customs has the right to let the Consumer Protection Office make this decision as it may be subject to bans and restrictions. The role of plasma cloud in high powered laser pointer 10W is of great interest because of its effect on energy transfer mechanism. In this study, spatially relevant plasma properties including spectral intensity, plasma temperature and electron density were examined using photoemission spectroscopy. The plasma temperature is calculated from the Boltzmann diagram of the Fe line, and the electron density is determined by the Stark broadening of Fe I at 381.584 nm. The plasma characteristics related to laser radiation are quantitatively analyzed. The results show that the plasma radiation increases with increasing laser power in the partial penetration mode, and then decreases sharply after the start of full penetration.
2021-12-14 11:01:31
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