Laser Safety Goggles

Laser Safety Glasses

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Laser safety glasses are made of compounds that block specific wavelengths of light to protect your eyes from the lasers' emission.

Amount of Protection

The amount of protection is rated by the Optical Density (OD) of the safety glasses, which measures how much laser light is blocked. Mathematically, the amount of transmission is the light source to the negative power of the Optical Density (Transmission = Light Source^-OD). So every 1 point increase of the OD blocks transmitted light by another factor of 10.

Therefore, OD 4 glasses will reduce the transmitted energy of a 500mw laser to an equivalence of 0.05mw, which is barely visible. However, even if safety glasses are being worn, a laser should never be fired into the eyes. High-power lasers are not toys –- they must be treated with respect and caution. Any retinal damage done is permanent.

OD 0 = 100% transmission
OD 1 = 10% transmission
OD 2 = 1% transmission
OD 3 = 0.1% transmission
OD 4 = 0.01% transmission
OD 5 = 0.001% transmission

(Note: since protective glasses block a laser’s wavelength, this means that a laser’s beam cannot be seen while wearing the glasses. So if a laser is being used for entertainment purposes, for example, then wearing safety glasses would defeat the purpose as none of the laser's visual effects could be seen. Safety glasses are best suited for high-power lasers in working environments. Consult your safety supervisor for appropriate precautions.)

	190-540nm: Eye protection from UV, blue, and green lasers. Includes protective case and microfiber cloth. (Although we find that warm water, liquid soap, & gentle fingers give the best scratch-free clean.) Specs: OD 5+, VLT > 55%. CE certified. Laser absorption material meets EN207: 1998+A1: 2002 standard. OLY-LSG-3 - laser safety goggles 190-540nm ..........................$24.95
	520-590nm: Eye protection from yellow and orange lasers. Covers all yellow lasers, but doesn’t quite reach fully into the higher-wavelength orange spectrum (for example, protection against a 593nm laser would require our OLY-LSG-11 glasses). Includes protective case and microfiber cloth. Specs: OD 2.5, VLT > 50%. CE certified. Laser absorption material meets EN207: 1998+A1: 2002 standard. OLY-LSG-11A - laser safety goggles 520-590nm .....................$89.95
	580-760nm: Eye protection from yellow, orange, and red lasers. Doesn’t fully cover the lower end of the yellow spectrum (for example, 556 and 561nm require our OLY-LSG-11A glasses). Includes protective case and microfiber cloth. Specs: OD 4+, VLT > 40%. CE certified. Laser absorption material meets EN207: 1998+A1: 2002 standard. OLY-LSG-11 - laser safety goggles 580-760nm ........................$89.95
	600-700nm: Eye protection from red lasers. Specs: OD 5+, VLT > 55%. CE certified. Laser absorption material meets EN207: 1998+A1: 2002 standard. OLY-LSG-2 - laser safety goggles 600-700nm ..........................$29.95
	800-2000nm: Since you can’t see an IR beam, it's even more important to wear eye protection when using a powerful IR laser. These safety glasses also block blue and green wavelengths, but their primary use is to protect against invisible 800-2000nm IR beams. Includes protective case and microfiber cloth. Specs: OD 4+, VLT > 40%. CE certified. Laser absorption material meets EN207: 1998+A1: 2002 standard. OLY-LSG-1 - laser safety goggles 190-540 + 800-2000nm ....$79.95
	10600nm: Eye protection from CO2 lasers. Since CO2 lasers are usually very powerful, and the human eye can't see this wavelength, it is especially important to wear eye protection when working with these lasers. Includes protective case and microfiber cloth. Specs: OD 4+, VLT > 65%. CE certified. Laser absorption material meets EN207: 1998+A1: 2002 standard. OLY-LSG-4 - laser safety CO₂ goggles 10600nm .....................$79.95


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