high-energy density laser beam as a heat source to irradiate on the stainless steel material, causing the surface to generate colored oxides or a layer of colorless and transparent oxide film. The light interference effect of the film will produce colorful marks. Moreover, by controlling laser energy and parameters, the oxide film of different thickness can be produced, which then produces different colors, and even produces color gradient marking.

The application of laser color marking effectively supplements the shortcomings in the appearance of stainless steel products. In addition, stainless steel itself has the merits of good corrosion resistance and excellent decoration, making the application of stainless steel products with color patterns more and more widespread.

There are two commonly used cutting methods for PVC plastic pipes: cold cutting and hot cutting. The most typical hot cutting tool is traditional laser cutter, which uses the high temperature generated by the laser beam to instantly melt the material to be cut, achieving the cutting purpose. Hot cutting is prone to damaging the properties of the material edges and compromising the cutting quality; Cold cutting can avoid environmental issues caused by thermal cutting, effectively avoiding material damage caused by thermal cutting, and improving cutting quality.

Laser processing has the merits of fast processing speed, no direct contact, and easy integration. Laser technology has been gradually applied in the field of semiconductor manufacturing, targeting at a smaller and more precise micro world. It plays a crucial role in processes such as chip cutting, marking, micro welding, cleaning, and annealing.

Gemstones have excellent physical and chemical characteristics such as high wear resistance, high hardness, excellent thermal conductivity, electrical insulation, and stable chemical properties, and are widely used in the electronic display industry such as high-end smartphones, tablets, and flat TVs. Because gemstones are hard and brittle materials, traditional machining methods are prone to defects such as cracks, fragments, lamination, edge break, edge fracture, and tool wear, and because gemstones show good chemical stability, it is difficult to use traditional chemical processing methods to process them. Laser cutting technology is a high-speed and high-quality cutting method for gemstone chips, which features not only fast processing speed, good cutting quality but also capability to cut out any shape.

Laser processing has a number of merits, including high precision, fast processing speed, small thermal impact, and no mechanical effects, so it has been applied in many fields related to aviation engine manufacturing. Laser cutting technology has solved various difficulties such as cutting materials of aviation engines, efficient machining of multiple holes in large sized thin-wall component, high-precision cutting of blade holes in components, and surface machining of special parts. It has effectively promoted the progress of aviation vehicles towards high-performance, lightweight, long lifespan, short cycle, and low cost, and infused new momentum for the development of the aviation industry.