What Is a Laser Diode Module?
A laser diode module combines a laser diode, optics, and electronic driver circuits to create a compact, efficient laser source. This module generates coherent light through the electrical excitation of a semiconductor, where electron-hole recombination produces photons. These photons are then amplified and focused into a beam.
With applications spanning optical communication, medical instrumentation, precision measurement, and consumer electronics, laser diode modules are valued for their small footprint, high power efficiency, durability, and affordability. They vary by output wavelength—visible, infrared, or blue—each selected based on the specific needs of the application, considering factors such as performance requirements and operational longevity.