500W Single Mode Continuous Wave 532nm Green Laser Successfully Developed!

Recently, Civan Lasers, an Israeli supplier of high-power lasers, announced that the company has successfully developed a 500W single-mode continuous wave (SMCW) 532nm green laser, setting a world record for this type of laser.
The green laser was developed as part of the EUREKA project "CBC-Green", led by Fraunhofer IWS, Siemens and ThyssenKrupp, which aims to create and realize high-power laser beams for more flexible and efficient processing of copper materials.
How does it work? What are the benefits?
The 500W single mode continuous wave 532nm laser utilizes Coherent Beam Combining (CBC) technology, which combines multiple single mode laser beams into a single coherent beam with superior beam quality.
With Coherent Beam Combining (CBC) technology, Civan Lasers' systems are able to achieve high brightness without the risk of damaging the laser crystals (as would be the case if higher laser powers were used to increase brightness), preserving the spectral characteristics of the beam and ensuring long-lasting, reliable performance over time.
It is this CBC technology that enables lasers to use high quality, high power beams to improve process efficiency and performance in materials processing, while providing power modulation. This is a significant advancement considering that 532nm lasers typically require stable crystal temperatures - a capability that has the potential to break through the current limitations of copper processing. This limitation is due to high reflectivity (green lasers exhibit more absorption in materials compared to infrared fiber laser radiation). This will help industry to better process copper components that are key to producing energy storage systems, power electronics, controls and necessary cooling structures.
What's next?
While the development of a green light single mode continuous wave laser is still underway, Civan Lasers has already mentioned its intentions to make further progress, and these plans build on a range of different material processing applications.
These include the welding of highly reflective materials - such as copper, soldering in the semiconductor sector - especially chip-to-wafer soldering, but also as an alternative to conventional metal bonding processes, and 3D printing of products made of copper.
Future development plans include halving the size of the laser, significantly reducing its cost, increasing its power capability and introducing a dynamic beam in the green laser - ultimately differentiating it from its market competitors.
After further refinements and upgrades, the laser will be sent to the Fraunhofer Institute for Materials and Beam Technology (Fraunhofer IWS) in Germany. There, the institute will lead the development process for two industry giants, Siemens and ThyssenKrupp, and further explore the laser's capabilities and potential applications, many of which are currently uncharted territory.