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English
MOPA (Master Oscillator Power Amplifier) pulsed fiber lasers feature independently adjustable pulse width and repetition frequency. With this unique advantage, they have become essential processing tools in the fields of electronic information (e.g., metal marking and welding) and new energy (e.g., photovoltaic cell scribing and lithium battery pole piece cutting). However, service life is the top concern for users during model selection and daily operation of MOPA pulsed fiber lasers. Based on practical engineering experience, this paper analyzes the lifetime determination mechanism of MOPA pulsed fiber lasers and summarizes product life extension strategies from three dimensions: design, production and application.
Automotive busbars are critical conductive components within the power battery systems of new energy vehicles. Fabricated primarily from copper or aluminum, they serve as high-current pathways for efficient electrical connection, transmission and distribution, functioning both as the "electricity highway" and a safety monitoring channel. Their operational stability directly determines the cruising range, fast-charging performance, vehicle service life and driving safety of new energy vehicles.
Key Parameters of Laser Source SystemIntroductionLaser systems are widely applied in cutting-edge fields including material processing, laser surgery and remote sensing. Regardless of diverse application scenarios, several core physical parameters usually determine the performance of the entire syst
Laser was first applied to cutting back in the 1970s. When a focused laser beam hits a workpiece, the irradiated area heats up sharply, causing the material to melt or vaporize. Once the beam penetrates the workpiece, the cutting process begins: the laser moves along the preset contour while melting the material. This is the basic principle of laser cutting.
