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Each is described in more detail here: Class 2, Class 3R, Class 3B and Class 4. The first two Classes are relatively safe for eye exposure; the last two are hazardous. The chart below shows how the eye injury hazard increases as the laser’s power increases.
- Class 3B
As the laser power increases, the risk of eye injury also...
- Laser Safety Info
Class 3R or IIIa (up to 5 milliwatts - maximum power for a...
- Laser Labels
Laser labels We have provided ready-to-print labels for...
- FAQ
If a Laser Safety Facts label cannot fit onto a laser,...
- QR and DM Codes
For any given laser model, each code -- on the Laser Safety...
- Class 3R
A 4.99 mW Class 3R laser beam can temporarily flashblind a...
- About
Laser Safety Facts Helping the public safely use consumer...
- Class 2 Labels
Generic Class 2 Laser Safety Facts labels (diode laser only)...
- Class 3B
Classification is determined by calculations based on exposure time, laser wavelength and average power for CW or repetitively-pulsed lasers and total energy per pulse for pulsed lasers. (1)
Moderate and high-power lasers are potentially hazardous because they can burn the retina, or even the skin. To control the risk of injury, various specifications, for example 21 Code of Federal Regulations (CFR) Part 1040 in the US and IEC 60825 [1] internationally
There are four main classes for visible-beam lasers: Class 2, Class 3R, Class 3B and Class 4. The first two are relatively safe for eye exposure; the last two are hazardous. The chart below shows that the eye injury hazard increases as the laser’s power increases.
What does a power of 100 watts mean? Is 30 Watts better than 25 Watts? For that, you need to know how laser power impacts laser marking and/or laser processing applications. In the following, we’ll explore laser power fundamentals and how to optimize laser technology for precision and accuracy.
7 lis 2023 · Laser power is expressed in watts (W), kilowatts (kW), or milliwatts (mW). Each watt indicates that the laser can emit 1 joule of energy per second. This means that a 100W laser can emit 100 joules of energy per second. Laser power must not be confused with power density.
The chart below gives hazard distances for selected consumer laser types, and for various parameters such as the beam color, beam spread and power. In addition, text below the chart describes how divergence (beam spread), power and wavelength (color) affects these hazard distances.
