News tagged with power density

Laser diodes versus LEDs

Solid-state lighting based on light-emitting diodes (LEDs) is the most efficient source of high color quality white light. Nevertheless, they show significant performance limitations such as the "efficiency droop". Blue laser ...

dateNov 11, 2013 in Optics & Photonics
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Electric hybrid drives for aircraft

In cooperation with several partners, Siemens has created its second aircraft powered by an electric series hybrid drive system. The two-seat DA36 E-Star 2 plane recently made its one-hour maiden flight and was then presented ...

dateJul 09, 2013 in Energy & Green Tech
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