Laser safety and protection

　　Laser is dangerous, but with electricity, as long as we are not careless, lightly, but strictly abide by the rules of safe operation, laser treatment can be harmless. Because different types of lasers need to pay special attention to this problem, for example, operators must also pay attention to protect themselves. In addition to general safety rules, their eyes and skin are raised in ultraviolet, visible, red and near-infrared, far-infrared and dye lasers. It may cause injury. Protective measures and safety standards should be taken. This will encourage laser workers to use lasers to take protective measures, be aware of them, and not be indecisive.

　　 (1) Harm and protection of far-infrared laser: Carbon dioxide laser (10.6 meters) is used for corneal absorption and cannot enter the eyes. This kind of laser is invisible and generally has a higher power, which will burn the cornea, conjunctiva and eyelids. Corneal burns. The light little white cloud only involves the corneal epithelium 10 minutes after irradiation, swelling, calming down, no visible scars, and more serious cylindrical white scars, from the outside to the inside, and then the formation or perforation of heavy ulcer scars. Although powerful, the door is very simple and only wears a pair of flat glass glasses. The carbon dioxide laser threshold is 0.1 w/cm².

　　 carbon dioxide laser absorbs 0.2 mm thick skin, which can easily cause blisters or burns. Because of the greater power, it will burn, and physiological reactions (such as pain) cannot protect it. Cross-stimulating the atmospheric pressure carbon dioxide laser can ionize the air. If 30 mJ of carbon dioxide is used on the forearm skin surface for 0.5 ~ 0.25 s, the spot diameter is 10 meters, and the irradiation stings and burns. A few hours after the appearance of erythema, it expands after 24 hours, edema, and finally scars. Wear protective gloves.

　　 (2) General protection measures: the laser should be turned off. In addition to the laser beam, the laser beam should not leak to other targets. The laser beam should not be at the same level. The laser beam should be limited to non-reflective and fireproof materials. The pulse laser should be a safety door to prevent the laser from exploding. For each application, it should be used to achieve the lowest level of radiation.

　　 The walls of the laser room cannot be powered off. Use light and diffuse light paint to reduce specular reflection and improve it. The pupils that should be bright inside have shrunk. It should also be well ventilated, xylene, carbon tetrachloride (cleaning), nitrogen (cooling), and the concentration of ozone in the air should not exceed the allowable value. Indoor furniture should be reduced to a minimum, and the surface of the furniture should be rough. Irrelevant personnel are not allowed. Obstacles should be set up so that people cannot approach the laser. It should be the same as the X-ray machine, and the high-power laser should be marked as a red light. The laser should be operated remotely and the operator should be in the next room.

　　 All indoor personnel should wear suitable protective glasses. Don't use a mirror. Employees should wear work clothes and gloves. Put the laser gun, do not look directly at the laser beam, and stay as far away from the laser beam as possible. Pay attention to high-voltage operating rules to prevent electric shocks (exceeding laser damage reports foreign shocks). Check your eyes regularly. Employees who started should strengthen laser protection education.

　　 For many years, Laser Technology Co., Ltd. http://www.zheshjg.com/) is a well-known authoritative manufacturer of industrial laser equipment at home and abroad, integrating Ru0026D, production and sales of laser marking machines, laser cutting machines, , Laser drilling machine, laser deep engraving machine, laser cladding and other series of products, with high-quality product quality and the most affordable price system to serve customers. The people of Laser Technology Co., Ltd. warmly welcome you to join us. Please call the national unified investment hotline: 13928265568.

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