What is a Laser light source?

A laser light source is a device that generates light with high directionality, brightness, and coherence (wave consistency). "Laser" stands for Light Amplification by Stimulated Emission of Radiation, referring to the amplification of light through stimulated emission. Laser light is monochromatic, meaning it has a single wavelength, and it travels in a straight line with high intensity and concentration. This unique characteristic makes it useful in various applications such as precision machining, medical treatments, communication, optical instruments, measurement, and research. Examples include CD/DVD reading, laser surgery, and fiber-optic communication.

Application of Laser light source

１．CD/DVD Players
Laser light sources are used to read data etched onto optical discs. The laser reads the reflections on the disc, allowing for the playback of audio and video content.
２．Laser Surgery
In the medical field, laser light sources are used for precise surgeries. For example, in ophthalmology, lasers are used to treat retinal disorders with high accuracy.
３．Fiber Optic Communication
In high-speed data transmission over fiber optic cables, laser light sources convert electrical signals into light and transmit them over long distances with minimal loss.

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