This 11 page White Paper on How to Improve Laser Diode Lifetime addresses the importance of the mounting or heatsinking of laser diode packages.
Laser diodes have increased in output power and the increased power means added waste heat to contend with. The mounting or heatsinking of the laser package is of tremendous importance because operating temperature has a strong influence on laser lifetime and performance. Achieving correct mounting or heatsinking of the laser package effectively is not as simple as many would assume. This article will discuss the various package types and the best practices for ensuring you are mounting the laser diode correctly. Correct mounting or heatsinking will ensure the best performance and longest lifetimes.
Laser Diode Housings and Packages:
Most of the laser diode types discussed above are available in many different housings or package types. Determining the correct package type depends on the output power of the laser and the options needed. We will group these packages types into the following groups: Open Packages, Sealed Packages, and Fiber Coupled Packages. Each of these groups has some specific requirements and concerns to achieve the best performance. Before we get to the specifics for each package group, here are some general advice and precautions that should be taken for all laser diodes...
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