Laser diode bar modules are a single bar in a heat sink housing that allows the bar module to be integrated into laser pumped systems. The laser bar modules are used for solid state and fiberoptic laser pumping.
Laser diode bar modules are high-power semiconductor laser devices that consist of multiple laser diode bars integrated into a single package. These modules are commonly used in materials processing, medical equipment, printing, and imaging applications where high output power and beam quality are required.
Each laser diode bar in a laser diode bar module typically contains several individual laser diodes, and the total output power of the module can range from a few watts to hundreds of watts, depending on the number of laser diode bars and the design of the device.
The fabrication process for laser diode bar modules is similar to that of laser diode bar chips. It involves epitaxial growth of the active and cladding layers on a substrate, followed by lithography and etching to define the device structure. The individual laser diodes are then formed by cleaving or dicing the device into smaller pieces, each containing one or more laser diodes.
In addition to the laser diode bars, laser diode bar modules may also include additional optics and electronics to enable efficient coupling of the light into an optical fiber or other delivery system. The packaging also provides thermal management to dissipate the heat generated by the high power output of the device.
Laser diode bar modules can be designed to emit light in a continuous wave (CW) mode or in a pulsed mode. In CW mode, the laser diodes emit a continuous stream of light, while in pulsed mode, the laser diodes emit short bursts of high-intensity light.
Overall, laser diode bar modules provide high-power and high-brightness output that make them suitable for a range of industrial and scientific applications.
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