About the laser pointer

Post on: May 07,2018 By Widerlaser Category: Laser pointer introduction

  Today,I want to discuss with laser safety level.Responsible laser owners should take some time to fully understand the FAA regulations surrounding the use of laser pointers. Laser has 5 class,class more higher,the laser's power is too high.

   Class I
   Inherently safe; no possibility of eye damage. This can be either because of a low output power,or due to an enclosure preventing user access to the laser beam during normal operation.Just like  the teach laser.

   Class II
   The blink reflex of the human eye will prevent eye damage, unless the person deliberately stares into the beam for an extended period. Output power may be up to 1mW.

   Class IIa
   A region in the low-power end of Class II where the laser requires in excess of 1000 seconds of continuous viewing to produce a burn to the retina.

   Class IIb
   Lasers in this class may cause damage if the beam enters the eye directly.This generally applies to lasers powered from 5–500 mW. Lasers at the high power end of this class may also present a fire hazard and can lightly burn skin.Just like burning laser pointer.

   Class IV
   Lasers in this class have output powers of more than 500 mW in the beam and may cause severe, permanent damage to eye or skin without being magnified by optics of eye or instrumentation.If you want burning laser,need to goggles,it's very important for us.

  

   Safety Recommendations for Laser Pointers

   The use of laser pointers has become widespread. The laser pointers are useful tools for educators in the classroom and at conventions and meetings. However, due to the low cost and ubiquitous supply, these laser pointers are now being purchased and used by the general public, including children, and used in ways not intended by the manufacturers. As a result, serious concerns about the hazards of laser pointers have surfaced.

   The hazards of laser pointers are limited to the eye. Although with most visible lasers, the largest concern is potential damage to the retina, most laser pointers are not likely to cause permanent retinal damage. When you use high power laser,please remind,need  goggles to protect your eyes.

    This one is best suggest:200-560nm Eyes Protective Goggle Glasses with Glasses Cloth .

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