Laser diode modules are compact devices that integrate a laser diode, optics, and electronics into a single package. These modules are widely used in various applications such as telecommunications, medical equipment, industrial manufacturing, and scientific research. The laser diode module emits a coherent beam of light that is highly directional and monochromatic, making it ideal for precision applications. The laser diode module consists of a semiconductor laser diode that emits light when an electric current is applied. The laser diode is mounted on a heat sink to dissipate the heat generated during operation. The emitted light passes through a collimating lens that converts the diverging beam into a parallel beam. The beam then passes through a series of lenses and mirrors that shape and direct the beam as required for the specific application. Laser diode modules are available in various wavelengths ranging from ultraviolet to near-infrared. The wavelength of the laser diode determines its application. For example, red laser diodes are commonly used in barcode scanners, green laser diodes in laser pointers, and infrared laser diodes in fiber optic communication systems. The performance of laser diode modules is affected by various factors such as temperature, humidity, and power supply stability. Therefore, these modules are often equipped with control circuits that regulate the output power, temperature, and other parameters to ensure stable and reliable operation. In summary, laser diode modules are compact and versatile devices that provide a coherent and directional beam of light for various applications. These modules are widely used in telecommunications, medical equipment, industrial manufacturing, and scientific research, among others.
semiconductor, collimating lens, wavelength, control circuits, coherent beam
CITATION : "Matthew Johnson. 'Laser Diode Modules.' Design+Encyclopedia. https://design-encyclopedia.com/?E=360756 (Accessed on June 07, 2025)"
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