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Lasers & Sources

808nm laser diode bars

Bookham, Inc., a leading manufacturer of optical components for industrial applications, announces the launch of its next generation 808nm multi-mode high power laser diode bar portfolio, with the fully qualified products delivering in excess of 60W in continuous wave operation for pumping and fiber-coupled applications.

At Photonics West 2008, Bookham (#1207) will show the first range of products from the new platform that will enable higher efficiency and increased power resulting in reduced energy consumption and thermal loads. The 40W 30% Fill Factor and 60W 50% Fill Factor 808nm laser diode bars, available on passive cooler and micro-channel cooler, are designed to deliver higher power, improved efficiencies and extended lifetimes to customers' laser systems. To achieve full qualification, the gold-tin hard-soldered laser diode bar products have successfully passed rigorous intermitted lifetests, including accelerated long-term operation at 100W for the 50% Fill Factor device.

"This new generation of 808nm product is built on a proven semiconductor material structure that will allow us to grow this portfolio of products, increasing output and offering customers a scalable solution to deliver greater power and reliability in their laser systems," said Bookham senior product line manager, Christian Naumer. "In the Bookham facility, we have demonstrated up to 130W CW at 50% Fill Factor with this product."

The new bars offer low divergence in the fast and slow axis, enabling cost-effective side-pumping and fiber coupling, reducing losses and improving coupling efficiencies. The next generation 808 products are available in highly customised configurations, including multi-bar arrays.