Physics - Optics & Photonics news

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 ...

Nov 11, 2013 4.8 / 5 (4) 0

Laser as sniffer dog for explosives

A new compact sensor system based on an LED pumped polymer laser detects explosive vapors quickly and sensitively. This is a promising approach for the detection of hazards, for instance in humanitarian land ...

Nov 08, 2013 5 / 5 (2) 0