Solar ♦ news digest and 1.2 percent respectively.
“We are encouraged to see that sequential growth resumed across all regions, especially in Europe and Japan, in March,” says Brian Toohey, president, Semiconductor Industry Association. “We look for seasonal moderate growth to continue in the second quarter and build momentum as 2012 progresses. However, while forecasts for global economic growth are improving, macroeconomic and geopolitical uncertainties remain.”
Emcore completes sale of VCSEL product lines to SEDU
The product lines include VCSEL and photodiode components, parallel optical transceiver modules, and active optical cables
Emcore Corporation has completed the sale of its Vertical Cavity Surface Emitting Lasers (VCSEL)- based product lines to Sumitomo Electric Device Innovations U.S.A., Inc. (SEDU), a subsidiary of Sumitomo Electric Industries, Ltd. (SEI).
As previously disclosed, SEI agreed to pay $17 million in cash for the fixed assets, inventory and intellectual property of the VCSEL-based product lines within Emcore’s fibre optics business unit, subject to closing adjustments.
Osram Opto introduces turbo charged industrial lasers
The company’s new III-V based laser bar family offers 200 W continuous power and an efficiency of up to 65 percent
Osram Opto says its new laser bars can simplify the design of laser systems and reduce their cost. Laserline are now using laser bars from Osram Opto Semiconductors as the core of its latest and most powerful fibre-coupled diode laser series for industrial material processing. The complete system is water-cooled and supplies between 2 and 15 kW power via a fibre with a core diameter of 1 to 2 mm. The overall efficiency reaches maximum levels of more than 40 percent.
Laser bar series SPL BKxx-40WFT The laser bar series SPL BKxx- 40WFT produces infrared radiation in various wavelengths, ranging from 915 to 1020 nm. As a result of their efficiency values of up to 65 percent, the bars achieve a long operating lifetime of up to 30,000 hours and meet the requirements for industrial laser systems.
The dimension bar width is 10 mm with a cavity length of 4 mm. Besides the optical pumping of fibre lasers, direct material processing, for example welding and cutting of metals in the automotive industry, is one of the main applications of infrared lasers with more than 1 kW power. Direct diode lasers are one of the most efficient laser light sources for such fibre-coupled systems and are a suitable alternative for the previously often used though less efficient carbon dioxide lasers. Michael Klein, Marketing Manager for laser bars with Osram Opto Semiconductors, emphasises, “Our developments in the field of laser bars push the utilisation of direct diode lasers into ever higher power ranges, thus enabling our customers to open up new markets.
The end-users benefit from the improved technology, e.g. lower investment cost because less laser bars are required to generate the needed power. Furthermore, the cost for electricity and maintenance will also decrease due to high efficiency and long operating lifetime.” This laser has been developed on the basis of results, which Osram Opto Semiconductors discovered in the project HEMILAS, supported by the German Federal Ministry of Education and Research. The main results were the efficiency optimised structure of epitaxy layers and improved mirror technologies with a high damage threshold.
June 2012
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