12 Jun 2007 A fully qualified, ultra-high power, un-cooled multimode laser module for fiber laser pumping. The un-cooled single emitter module, incorporating the latest generation of multimode pump laser chips from the Bookham Zurich facility, delivers 8 to 10W light output power at 940-960nm from a multimode fiber with 105µm core diameter and 0.15 or 0.22 numerical aperture. The module is designed to support current and next generation fiber laser systems by providing increased brightness while retaining high reliability and cost-effectiveness.
To achieve full qualification, the module’s laser chip has undergone a rigorous 5000h accelerated lifetest under various test conditions. The module itself has also been subjected to a 2000h lifetest at 10A injection current and 45°C heat sink temperature.
"With the new higher power pump modules, Bookham continues to build on its leading position in the fiber laser market," said Berthold Schmidt, director of product marketing for High Power Lasers. "In addition to requiring increasing high brightness, our customers also demand exceptional reliability; we are demonstrating this at LASER with the release of the qualified pump module. We will also show new data that highlights the exceptional ability of our seed laser module, which is being used in pulsed fiber lasers."
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