Structure and principle of laser protective glasses

2016-10-08
0

Laser safety glasses operators to bring you, we do not know the principleand structure of Laser safety glasses. Hope you can give us certain support and the laser goggles understanding and awareness, then we take a look at thespecific meaning.

                       


When the incident laser energy across the certain value, the anti laser radiation protection mirror micro explosion safety glasses: the inner lens is coated with a layer of a high brightness chemical film. The chemical "burst" black, so that the lens is not completely transparent, so as to protect theeyes from the laser. This protective mirror is more practical than high powerlaser.

But also sensitive to light intensity, the use of nonlinear optical principle to honor the laser protection has become a hot spot in the eyes of many administrative divisions. The nonlinear laser protective mirror made of thismaterial is not only sensitive to span. Can at the same laser wave has opposite two indicators to light high optical density and low light on high brightness and balance. According to the briefing, the carbon carbon polymer (nonlinear optical effect, C60 or C70 are very fast and also a cash reverse saturable attraction material, in the low light energy made of this material lightcontrol device, the transmission rate with the increase of incident light intensity increased, so that the input light control in a certain energy threshold. This material has high visible light transmittance, more than 60%, but theoptical density is low, 3 in normal time, anti laser damage threshold of thenormal low. The characteristic is that when the laser is low, the attractionis little, and the high transmission is high. Because the nonlinear attractivefrom the electronic mechanism, so fast, the time for a hundred responses to asingle call a hundred responses to a single call picosecond.

Polycarbonate or similar performance of diamond doped conductive polymer andorganic semi conductor materials, the United States Navy test chamber has beendeveloped for the skills of laser protective eyewear giant pulse, broadband, ultra fast. The nonlinear effect and the charge exchange principle, with its inherent honor to attract the laser transient response time, recovery time of 109 seconds, 108 seconds, door span in the visible scale, can be used to resist shrapnel protection and laser shock.

When the laser intensity exceeds the certain value, the anti laser radiation protection mirror type laser photochemical reaction: this kind of door mirror is the solution of two lenses between certain chemical substances perfusion. The color of the solution becomes deeper, thus blocking the transmission ofa certain span by laser beam.

When the intensity of the incident laser is changed after the safety value, the radiation protection lens of the laser radiation protection mirror is made of glass ceramics. The Department is completely transparent materials forleisure time. And the laser light can still attract, stay after the restoration of lit.

Glass lens as a matrix, a U.S. patent. Cuprous halide low-temperature deposition of photochromic or cuprous cadmium halide crystalline materials, light radiation on fundamental ultraviolet light and 400550nm within the scope of the span not through, while the rest of the visible band with high transmission, the visible light transmittance of up to 70%.

High intensity laser radiation can be blocked. Optical switch is the evaporation of polymer components, anti laser radiation protection mirror high intensity laser mirror is composed of stereoscopic optical switches and rearview mirror etc.. There are attractive properties that can be protected from visibleto far infrared laser radiation, rather than a vivid spectrum of narrow band.Protective performance is independent of the beam intensity, and has nothing todo with the span.

Using the principle of the Fourier transform to attenuate the laser intensity, the anti laser radiation protection mirror differential laser protection lens: this kind of protective lens is usually filled with water and ethanol between two layers of glass sheets or glass sheets. The prevention of laser damage protection covering the whole span of omentum, spectral scale, and unwarranted use visual acuity.

Above is the work of the laser goggles for everyone to bring, for the organization and principle of the laser protective mirror. We expect everyone to see after the support, then we would like to know more about the class of the above common sense and meaning. Please pay more attention to us.