News | April 1, 2005

Coherent Introduces Fiber-Coupled Laser Diodes To Deliver Highest Available Efficiency

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Santa Clara, CA — The newest Fiber Array Package (FAP™) diode lasers from Coherent, Inc. deliver the highest efficiency in the industry today. Now available at 940 nm and 980 nm, these new generation FAPs produce 40W of CW power through an 800-µm fiber bundle, with a numerical aperture of <0.11. These lasers are conduction cooled and produce a wall-plug efficiency (WPE) of >50%, which is significantly higher than the 35% efficiency of earlier generation FAPs. These new products are the most recent addition to the FAP family that has an installed base in excess of ten thousand lasers and proven product performance over more than five years.

Meta Keywords:(1024 Chars) This FAP is first in a series of high-brightness products being developed that utilize high-efficiency epitaxy bars. High efficiency offers the customer several important benefits. First, the it lowers the power supply requirements of the FAP itself, resulting in reduced system cost, size and weight. Second, high efficiency reduces the amount of dissipated heat, minimizing the number and/or power of thermo-electric coolers (TECs) required in the system, again reducing the overall system power requirements and cost. A third benefit of the new FAP's high efficiency is increased lifetime, due to decreased junction temperature rise of the device.

The new generation 940 nm and 980 nm FAP products are primarily targeted at medical applications and fiber-laser pumping. Medical uses include therapeutic applications in dermatology and surgery, where these FAPs enable new developments in laser-enabled cardiac surgery. As pump lasers, these new lasers are also ideal for both erbium- and ytterbium-doped fiber lasers.

Founded in 1966, Coherent, Inc. is a Standard & Poor's SmallCap 600 company and a world leader in providing laser-based solutions to the commercial and scientific research markets. For more information about Coherent, visit our Web site at http://www.Coherent.com.

Source: Coherent, Inc.