After the view of laser protective glasses we increasingly understand is that protection of different types of laser protective glasses for our eyes to the differences, protection for our eyes to ensure contact laser tasks in personnel, time for our eyes to maintain the role in the use of laser protective glasses in real time on the eyes progress of our peace, here Xiaobian recommend everyone using laser protective glasses that we can let you in the use of our laser protective glasses are increasingly concerned and admit.
There are many types of laser protective glasses, the data differences, individual differences also use place reason. Therefore, to provide the laser invalid protection, must be in accordance with the detailed application of laser protective glasses to stop the reasonable choice. Choose the door mirror, the maximum input power laser with first basis (or energy), beam diameter, laser pulse time and other parameters must enter the maximum irradiance or maximum exposure. Then, according to the maximum permissible exposure time and light response wavelength (eye shine limit) certainly glasses the minimum optical density value, and then select the appropriate protective glasses.
The details of the choice are minor:
1, the maximum amount of radiation Hmax (J/m2) Emax (W/m2) or the maximum irradiance;
2, specific protection wavelength;
3, in response to the optical density value of Dmin protective wavelength;
4, the protection of the lens of the non - average, asymmetry, the incident light angle effect;
5, anti laser radiation ability;
6, visible light transmittance;
7, structure and shape. Laser protective glasses, laser protective glasses, laser glasses, laser protection, protective glasses, we only need a pair of eyes
American laser safety standard ANSI Z136.1ANSI Z136.1 specification: after the optical density (OD, Optical Density) to stop the trade-off. The logical relationship between optical density OD and transmittance T: D=-log10 T. European laser safety standard EN207/EN208EN207/EN208 specification: optical density OD, also need to consider the damage threshold (power / energy density changes with time). According to the American laser safety code ANSI Z136.1 and the European laser safety code EN207/EN208, the laser can be classified according to the following specifications. Class Definition Suggestion class definition