When selecting glasses to protect your eyes from lasers it is important to understand the specifications and what is required by the standards in Australia. If you are unsure it is best to talk with a laser safety expert.

The first thing to consider is the wavelength of the laser which is normally expressed in nm ( nanometers ) or um (micrometers).  This helps work out the wavelength of light that needs to be filtered by the lenses.  The next this is the laser power which is expressed in milliWatts (mW) , Watts (W) or kiloWatts (kW). The power helps determine the level of Optical density ( OD ) that is required to attenuate the laser down to a safe level. An OD 7 is 10 million times reduction , an OD 6 is 1 million times down to an OD 1 which is 10 times.  The other thing to consider is the L rating required.  This not only takes the power and wavelength of the laser into consideration but also if it is pulsed or continuous and helps determine how long the glasses will withstand a direct hit from the laser.

Lastly the VLT or visibel light transmission which may be exporessed as 48% VLTY determines how easily we can see through the laser glasses while wearing them. A higher VLT means they are easier to see through.

More information on selecting the best laser safety glasses can be found vis the below free resource guide.

You guide to choosing laser safety eyewear (lasersafetyglasses.com.au)

Alternatively feel free to contact us and one of our laser safety experts will be happy to help.