Bookham to introduce high-power un-cooled pump laser

June 9, 2005
June 9, 2005, Zurich, Switzerland--Bookham plans to introduce a new high power un-cooled multimode pump laser module for fiber laser pumping at Laser 2005 in Munich next week. The pump module combines high power with high reliability and stable performance.

June 9, 2005, Zurich, Switzerland--Bookham plans to introduce a new high power un-cooled multimode pump laser module for fiber laser pumping at Laser 2005 in Munich next week. The pump module combines high power with high reliability and stable performance.

The new multimode pump laser module allows a significant step forward in the design of current and next generation fiber laser systems by providing increased brightness at lower cost and with high reliability. The un-cooled module, incorporating the latest generation of multimode pump laser chips from the Bookham Zurich facility, delivers above 7 W light output power from a multimode fiber with 105 micron core diameter and 0.15 or 0.22 numerical aperture. Powers of more than 10 W out of fiber have been successfully achieved, demonstrating the capability of the design. The hermetic module with floating anode/cathode is available in various packaging form factors.

One of the core technologies driving advances in power and reliability is the Bookham proprietary E2 process, which passivates the laser's front mirror. The aim of this passivation is to prevent Catastrophic Optical Mirror Damage (COMD), which is otherwise a common problem in the development of high brightness GaAs laser diodes.

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