What Are The Applications Of High-quality Lasers?

High Quality Lasers have a wide range of applications in various fields. In the manufacturing industry, laser manufacturing is its main application direction, including five categories: removal and connection, surface engineering, additive manufacturing, repair and remanufacturing, and micro-nano manufacturing. Laser manufacturing is known as a "universal processing tool" and "a common processing method for future manufacturing systems". It has the advantages of easy operation, non-contact, high flexibility, high efficiency, high quality, energy saving and environmental protection, and has a profound impact on the process of industrial intelligence. Influence.

In addition, high-quality lasers also play an important role in the medical field, for example, they can be used for a series of applications such as immunophenotyping (white blood cells), ploidy analysis (DNA), cell counting, and GFP (green fluorescent protein) expression analysis. In the field of scientific research, laser technology, as one of my country's important strategic supporting technologies, plays a key supporting role in the forefront of scientific research and the national high-tech industry.

In the field of commercial and consumer goods, laser marking is widely used in various materials and almost all industries. Currently used lasers include YAG lasers, CO2 lasers and semiconductor pump lasers; laser drilling is mainly used in aerospace and automobile manufacturing. , electronic instruments, chemical industry and other industries. In addition, three-dimensional color holography technology is also a next-generation technology that projects three-dimensional images in three-dimensional space.

A. Metal manufacturing
High Quality Lasers are used in a wide range of metal manufacturing applications, including welding, cutting, engraving and marking. First of all, for the cutting of metal materials, laser cutting has become an ideal solution for the sheet metal cutting industry due to its high efficiency, high energy density, non-contact processing and flexibility, as well as its advantages in accuracy, speed and efficiency. Whether it is micron-level ultra-thin plates or tens of millimeters thick plates, it can be cut efficiently. Secondly, welding is another important application. Especially in the field of thick plates where laser welding was not suitable in the past, laser welding can now be combined with traditional arc welding to obtain better welded joints than single arc welding. Laser-arc hybrid welding technology has been used in shipbuilding. application. In addition, high-quality lasers can also be used for engraving and marking metal products. For example, the brightness and power of blue semiconductor lasers are continuing to increase to new boundaries, which will also lead to more and wider applications.

B. Electronic Manufacturing
High-quality lasers are used in a wide range of electronics manufacturing processes, including soldering and desoldering, drilling and trimming. First of all, laser welding technology has unique advantages in the packaging of integrated circuits and semiconductor devices due to its small heat-affected zone, rapid heat concentration, and low thermal stress, and has been widely used. In addition, as electronic devices develop toward precision, miniaturization, and flexibility, the unique advantages of ultrafast laser processing technology are attracting researchers to continuously explore its application in the field of electronic manufacturing. For example, ultrafast laser stealth cutting technology can induce tiny cracks inside transparent materials. These tiny cracks gradually extend along the laser scanning path under the guidance of external forces, achieving separation of transparent materials. In addition, drilling and trimming are also one of the important applications of lasers in electronic manufacturing. In general, the application of high-quality lasers in electronic manufacturing can effectively improve product accuracy and quality and improve production efficiency.

C. Medical device manufacturing
High-quality lasers are used in a wide range of medical device manufacturing, including surgeries and treatments as well as medical device manufacturing. In the manufacturing of medical devices, technologies such as laser marking, welding, cutting, and micro-machining are widely used. For example, our common bone screws, pacemakers, hearing implants, and endoscopic instruments are all marked with lasers. Laser marking permanently provides company and product information and is corrosion-resistant to ensure long-term traceability. In addition, because laser processing has many advantages such as dense spot size (can be as small as several microns), precise processing, high flexibility, excellent processing surface quality, and reduced or no need for post-processing, it has become an ideal solution for medical device processing.

In terms of medical treatment, the application of lasers is becoming increasingly popular, from ophthalmology (such as myopia correction, retinal repair, etc.), surgery (laser scalpel), to internal medicine, gynecology, otolaryngology, cardiovascular department, dermatology, etc., they have become The applicable fields of laser medical devices have huge market potential.

D. Improve the efficiency of automobile assembly lines
High-quality lasers are widely used in automobile manufacturing and can significantly improve the efficiency of automobile assembly lines. Since the early 1980s, the automotive industry has been one of the main driving forces in the high-power laser industry. This industry has very strict requirements on the quality and reliability of laser sources.

Compared with traditional manufacturing technologies, laser technology can bring greater benefits in the fields of cutting, welding and marking. Because laser technology is more flexible and easier to automate than traditional technology, it can meet the core requirements of the entire industry. For example, it can be used for cutting and welding car body steel plates and marking parts. In addition, with the trend of automobiles becoming lightweight, laser, as a processing technology in modern manufacturing, has become a standard tool in the automobile manufacturing industry, which not only improves production efficiency, but also improves product quality and reduces production costs.

E. High quality lasers in communication systems
High-quality laser diodes are rapidly changing the semiconductor technology landscape in the telecommunications sector. They are regarded as game-changers, bringing numerous benefits to the industry and driving industry development. First of all, due to their small size and high efficiency, laser diodes are widely used in high-speed optical modules. For example, in 100G optical modules, vertical cavity surface emitting lasers (VCSEL) are usually used for distances of tens of meters, ranging from 500 meters to 10 meters. Distributed feedback lasers (DFB) are used for distances of kilometers, while externally modulated lasers (EML) are used for distances of 40 kilometers.

As diode laser prices drop and performance improves, new markets are opening up rapidly. The continuous advancement of semiconductor laser technology has brought new possibilities to the fields of laser material processing and industrial manufacturing. The realization of ultra-high-speed, ultra-long-distance non-relay optical soliton communication systems also benefits from the compensation of losses by laser diode-pumped erbium-doped fiber amplifiers. High-quality laser diodes have had a profound impact on communication systems, playing a key role in improving communication speeds, expanding communication range, and innovating communication methods.

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