2018-06-27 16:07:27 57

High reliability of the VCSEL is essential in many applications. Ongoing life-testing, in combination with accelerated stress tests at high temperatures, indicate rates of random failure and wear-out of Vertilte VCSELs are very low and project stable long-term operation.

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Fig. 5 Accelerated lifetest of VCSEL single emitters at 95 °C heatsink temperature (left), and LIV curves of one 1-Watt array after aging at 85 °C for different hours (right)