Sure everyone in yourlife is quite common in the use of a helmet, that we should know that a lot oftime because for various new man-made material feels very interesting, the mosttypical is the laser, laser protective glasses found that laser is widely usedto make a lot of people fear and worship. So everyone should know the real lifemany application characteristics of the laser? Laser pulse phenomenon is one ofthe most difficult to understand, and today we will tell you about the laserpulse.
Laser pulse isactually refers to a light pulse works from the laser pulses, in short, is likea flashlight work, has been close button is a continuous work, close the switchand turn off is a light pulse in a moment. Work in pulse way has its necessity,such as signal and reduce the generation of heat, etc.
Laser pulse can bevery short, such as picosecond level, that is for picosecond pulse of time andthe order of magnitude 1 picosecond is equal to one over one trillion of asecond (10 e - 12 seconds). Laser is generated by stimulated radiation andamplification of light. With excellent monochromaticity, emittance, can achievevery high brightness (power). Can club the practical application of the laseris quite common in life, we should know the particularity of laser for mostpeople have is unable to understand, only know is that the laser has a strongradiation effect, and in view of the laser radiation we oh oh even wear protectiveglasses so you can avoid laser radiation damage.
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