Ok so forgetting I've been out of the laser game a while, UV is way out of the IR spectrum you would get damage from a diode laser. So from base/purple etc to above visible light 400 nm to around 1400 nm is where a majority of lasers output, especially handheld. So at least a welding helmet will protect 100%, how does this differ from auto glass, windshields also have plastic and glue that adhere the two pains together, that can only add to the reduced bypassed wavelengths right?
UV is at the upper edge of the light spectrum...so ordinary clear glass and plastic filters out the majority of the ultra short wavelength. Lasers, with the exception of IR (which is at the low end of the light spectrum) are visible light. The minor imperfections in ordinary laminated auto glass may serve to slightly diffuse the Laser but Retina damage often still occurs.
Welding helmets are designed to filter all wavelengths but are especially designed to filter UV which not only damages retinas but tissue as well.
Ah alright, makes a little more sense. But the glass on those lenses is really thin, I guess quality counts more than how thick the glass is. One thing I think should make more of a difference is the polarized variants inside as well.
Optically clear glass will not do it...you need something that filters the laser wavelength.
Good news is there are relatively inexpensive laser eye wear that affords more protection based on the class of laser
Ok so forgetting I've been out of the laser game a while, UV is way out of the IR spectrum you would get damage from a diode laser. So from base/purple etc to above visible light 400 nm to around 1400 nm is where a majority of lasers output, especially handheld. So at least a welding helmet will protect 100%, how does this differ from auto glass, windshields also have plastic and glue that adhere the two pains together, that can only add to the reduced bypassed wavelengths right?
UV is at the upper edge of the light spectrum...so ordinary clear glass and plastic filters out the majority of the ultra short wavelength. Lasers, with the exception of IR (which is at the low end of the light spectrum) are visible light. The minor imperfections in ordinary laminated auto glass may serve to slightly diffuse the Laser but Retina damage often still occurs.
Welding helmets are designed to filter all wavelengths but are especially designed to filter UV which not only damages retinas but tissue as well.
Ah alright, makes a little more sense. But the glass on those lenses is really thin, I guess quality counts more than how thick the glass is. One thing I think should make more of a difference is the polarized variants inside as well.