How about laser safety glass?

Laser safety glass is a safety window that can effectively protect and filter lasers of specific wavelengths. There are mainly absorption-type laser protective glass and reflective laser protective glass. Because absorption-type laser protective glass is non-selective to light sources, it can provide good protection no matter at which angle the laser enters, and it can also protect various diffuse reflected light. The surface of absorption-type laser protective glass is not afraid of wear. Even if it is worn, it does not affect the effect of protecting the laser. It reacts to light quickly, absorbs lasers quickly, and has a high attenuation rate. Therefore, the number of people using absorption-type laser protective glass will be slightly larger. Let's discuss the working principle, material, and application scenarios of absorption-type laser protective glass today.

The working principle of absorption-type laser safety glass is to add specific absorbents to the glass matrix so that the laser energy is absorbed and converted into other forms of energy such as heat energy, thereby achieving the purpose of protecting the laser.

The characteristic parameters of absorption-type laser safety glass include protection band, optical density and visible light transmittance

① Protection band: Common protection bands include 450nm, 532nm, 1064nm, 10600nm, etc. Different application scenarios and laser equipment need to select laser protective glass with corresponding protection bands to ensure effective protection.

② Optical density, namely OD value (Optical Density): Optical density is an important indicator to measure the laser attenuation ability of laser protective glass. The larger the optical density value, the higher the OD value, the stronger the laser attenuation ability and the better the protection effect. Different levels of optical density such as OD5+, OD6+, OD7+, etc., we need to choose according to the actual laser intensity and safety requirements of the laser equipment.

③ Visible light transmittance: Indicates the proportion of visible light allowed to be transmitted by laser protective glass. On the premise of ensuring the laser protection effect, a higher visible light transmittance helps operators to clearly observe the working area behind the protective glass, improving work efficiency and safety.

Common materials for absorption-type laser safety glass include acrylic (PMMA), polycarbonate (PC), and glass.

Acrylic (PMMA): has good optical and processing properties, light weight, and low cost, but its impact resistance is poor, easy to break, and does not have flame retardancy 145.

Polycarbonate (PC): has high mechanical strength, good impact resistance, and also has certain flame retardancy, which can provide better mechanical safety while ensuring laser protection effect 45.

Glass: has high hardness and wear resistance, stable optical properties, not easy to deform, but relatively heavy and easy to break. Through special treatment and coating process, glass laser protection glass can also have good laser protection and optical properties.

Absorption-type laser safety glass is mainly used in industrial processing, medical beauty and scientific research experiments.

① Industrial processing: in laser processing such as laser welding, laser cutting, and laser marking, it is used to protect the eyes and skin of operators from laser radiation damage, and also prevent the impact of laser on surrounding equipment and environment.

② Medical cosmetology: It is used as a protective window in laser medical equipment such as laser surgical instruments and laser beauty devices to ensure the safety of medical staff and patients during laser treatment.

③ Scientific research experiments: In various laser laboratories, it is used to isolate the laser experiment area to prevent laser leakage from causing harm to the experimenters, and it is also convenient for the experimenters to observe the experimental process.

The Laser safety Glassof LaserPair: It provides laser protection windows made of various materials such as acrylic (PMMA) and polycarbonate (PC). The protection wavelength range is wide, the thickness is optional with 3mm and 5mm, the size is diverse, and it can be customized according to customer needs. Because of its wide wavelength range, durability, light weight, and high safety, it is suitable for laser industrial processing and manufacturing such as laser engraving, laser cutting, laser beauty and medical fields.