Today's day for the use of laser use hasnow reached a proper high degree of good for us in the development of today isnow inseparable from the use of this extra material for the laser light source,we can find Days because of the effectiveness of the laser to a large extentfor our day supply of immeasurable changes. But in our laser glasses nowadaysmost people in fact the use of these diversified laser equipment in the processof neglect of the laser on the human body to the damage, to know that even ifthe use of laser is very simple and convenient, but we constitute the Damage ismonasteries and can not be recovered, and serious can blinding.
There are many types of laser protectiveglasses, the use of materials on the contrary, different principles, the use ofthe occasion is the opposite. Therefore, to supply the laser invalidprotection, must be applied in accordance with the laser goggles must continueto reasonable choice. When choosing a protective goggles, the maximum inputpower (or energy), beam diameter, pulse time and other parameters of the laserinput maximum radiation or maximum radiation. Then, according to thecorresponding span and the maximum allowable radiation time of the amount ofradiation (eye shine limit) to determine the minimum required optical densityvalue of the mirror, and thus select the appropriate protective glasses.Selection of the detailed conditions are:
1, the maximum radiation Hmax (J / m2) orthe maximum Emax (W / m2);
2, a certain degree ofprotection;
3, the required minimum optical density value Dmin in the correspondingprotection span;
4, non - symmetry of protective lens,asymmetry, the concept of incident light effects;
5, anti-laser radiation power;
6, Visible light transmittance;
7, structure and shape.
Laser damage with many of thecharacteristics of the same type of equipment used in many of the materials arenot negligent in the process, and more important is that our days has been thelack of a variety of laser protection equipment, but we do not know how to uselaser Protection, as long as the laser is now available in Shanghai is notirreversible irreversible use of laser protection equipment have to know, haveto say how pathetic one thing. Laser protective glasses we can expect a clearunderstanding of the laser to know, the extravagance and practicality of thelaser is indeed very strong, but can not therefore prevent the laser.
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