In laser optics, our core objective remains singular: to perfectly converge laser energy into an extremely small, intense spot. Yet, perfect geometric shapes often present challenges in nature. Traditional spherical laser focusing lenses, though simple to manufacture, carry an inherent flaw due to physical laws: spherical aberration. 1.Spherical Lenses: A...
10-Step Laser Lens Cleaning Professional Care for Extended Equipment Life
In laser processing, the focusing lens plays a crucial role. It concentrates kilowatts of laser energy into a micron-sized spot. However, the ZnSe material is notably soft. Furthermore, it easily attracts smoke and dust. Even tiny dust particles can quickly carbonize under high laser temperatures. This forms a "burn spot,"...
Laser Safety Classification Explained Risk and Distinction from Class 1 to Class 4
Lasers, these "miraculous lights," precisely treat diseases and process materials. However, they can instantly cause irreversible harm to humans. Thus, to quantify this risk, the International Electrotechnical Commission (IEC 60825-1) and the American National Standards Institute (ANSI Z136) established a universal safety classification system. Ultimately, therefore, understanding these classifications is...