Source: MD INNOVATION TECH GmbH

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Direct Diode Lasers: A Comprehensive Overview

Introduction to Direct Diode Lasers

Direct diode lasers are laser devices that utilize the output of laser diodes directly for various applications, such as laser cutting and welding in laser material processing. This is different from diode-pumped lasers, where the diode laser radiation is used to pump another laser.

Advantages of Direct Diode Lasers

Direct diode lasers offer several advantages:

• They are simpler, more compact, and potentially more cost-effective.
• They have higher wall-plug efficiency, leading to reduced electric energy consumption.

Used Diode Lasers

Direct diode lasers are typically based on gallium arsenide technology, allowing for emission wavelengths between 0.8 μm and 1 μm. These lasers can achieve high output powers using diode stacks that contain multiple diode bars.

Advancements in Beam Quality

Recent advancements have significantly improved the beam quality and radiance of high-power laser diodes, making them suitable for applications like metal cutting, welding, soldering, brazing, cladding, and surface treatments.

Beam Delivery Options

Direct diode laser products can emit a free-space laser beam or can be fiber-coupled. Fiber coupling is advantageous for many applications, provided that the beam quality of the source is high enough.

Conclusion

Direct diode lasers have evolved to become versatile tools in various industrial applications, offering efficiency, compactness, and high-performance capabilities. With ongoing technological advancements, the scope of direct diode laser applications continues to expand, making them valuable assets in the field of laser technology.

Source: Business Wire
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