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Optoelectronics/Displays??

Conductively cooled lasers offer extended lifetime

Posted: 13 Mar 2007 ?? ?Print Version ?Bookmark and Share

Keywords:lasers? PulseLife? CCP? Coherent?

PulseLife CCP laser bars from Coherent

A series of conductively cooled semiconductor laser bars from Coherent Inc. promises high power and extended lifetime, even under adverse operating conditions.

The PulseLife Conductively Cooled Package (CCP) series uses telecom-grade solder technology to bond the laser die directly to its heat sink. This approach is complemented by the company's Aluminum-free Active Area (AAA) epitaxy at 810nm, as well as high-efficiency 940nm and 980nm material systems. Together, these deliver over 10,000hrs of lifetime (MTTF) at output powers of 50W. Most importantly, the optimum balance between thermal conductivity and expansion coefficient matched packaging maintains this reliability under torturous "on-off" cycle conditions.

This high durability, together with the convenience of conductive cooling, make PulseLife CCP lasers suitable for demanding tasks in materials processing and medical applications. In addition, they offer the performance characteristics necessary for military applications in which the laser is subjected to elevated operating temperatures (as high as 75C), frequent power cycling and extremes of shock and vibration. PulseLife CCP lasers have also been designed with ease of integration in mind.




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