Class 3B and 4 lasers will also be removed from the University's laser inventory. The most recent such designWhile most of the danger of lasers comes from the beam itself, there are certain non-beam hazards that are often associated with use of laser systems. This generally applies to lasers powered from 5–500 mW. Marking laser stations with galvo marking heads. Lasers need to be rendered "inoperable" prior to disposal. Some lasers are so powerful that even the Infrared lasers are particularly hazardous, since the body's protective glare aversion response, also referred to as the "Lasers can cause damage in biological tissues, both to the eye and to the skin, due to several mechanisms.The eye focuses visible and near-infrared light onto the retina. 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.

For laser classes 1 to 4, see the section on the Inherently safe; no possibility of eye damage.
Kentek is the expert in laser containment. With a class 3R laser, the MPE can be exceeded, but with a low risk of injury. However these power levels are contained within the amplifier module. As with class 1M, this applies to laser beams with a large diameter or large divergence, for which the amount of light passing through the pupil cannot exceed the limits for class 2. The aperture through which the useful beam is emitted is not part of the protective housing. Assessment of alleged retinal laser injuries.
The laser beam path is completely encapsulated, and exits the working head equipped with an active laser deflector shield. The protective housing limits access to other associated radiant energy emissions and to electrical hazards associated with the components and terminals, and may enclose associated optics and a workstation. Therefore, no structural measures with laser protection walls or special laser safety training for your staff are necessary.Maximum operator protection is a priority at Trotec. & Brown, J., Jr 2004. Optical connector inspection microscopes are available which incorporate blocking filters, thus greatly improving eye safety. A Class 2 laser is considered to be safe because the A Class 2M laser is safe because of the blink reflex if not viewed through optical instruments. To meet the laser safety requirements of ANSI Z136.1 and IEC 60825-1, the enclosure requires a safety Interlock ® control system including appropriate warning signs – both of are designed and manufactured by Lasermet.. All injuries and suspected exposures are required to be reported to the Laser Safety Supervisor and the Laser Safety Officer. The following tables provide some information on which measures are required, depending on whether the laser is class 3B or 4.NHZ: Nominal hazard zone analysis required (performed with laser safety officer)Protective housing is a physical barrier preventing laser radiation in excess of the Maximum Permissible Exposure (MPE)* from exiting the laser. However, any in-house modifications made to a laser may change its classification (e.g. Special YAG laser and dual-frequency eyewear is available for work with frequency-doubled YAG and other IR lasers which have a visible beam, but it is more expensive, and IR-pumped green laser products do not always specify whether such extra protection is needed.Interlocks are circuits that stop the laser beam if some condition is not met, such as if the laser casing or a room door is open. Provides requirements and specific guidance for the manufacture and safe use of laser products and systems used for point-to-point or point-to-multipoint free space optical data transmission. Mechanical hazards may include moving parts in vacuum and pressure pumps; implosion or explosion of flashlamps, plasma tubes, water jackets, and gas handling equipment. CE Declarations of Conformity can be provided upon request.SP series: CO2 laser cutter for large-format materials. Marking area up to 44.1 x 25.0 inch.

Laser System Safety Officers (LSSOs) shall have satisfactorily completed a Navy LSSO course.