Earth Day highlights – according to SPIE

Monday 22 Apr 13


Carsten Dam-Hansen
Senior Researcher
DTU Fotonik
+45 46 77 45 13

In celebration of Earth Day 2013, SPIE has highlighted four new photonics solutions. DTU Fotonik’s “Next generation lighting” is one of the four.

Photonics applications that enhance sustainable living opportunities, enable monitoring of climate change and its environmental impacts, and solve many other environmental challenges are among achievements to celebrate on Earth Day, Monday 22 April, say event organizers at SPIE, the international society for optics and photonics.

Next-generation lighting

SSL utilizing light-emitting diodes (LEDs) is the new industry standard for energy efficiency, and the rapid development of LEDs has flooded the lighting market, Eglash said. LEDs are efficient and long-lived sources for general lighting, but commercially available products exhibit variable quality.

Carsten Dam-Hansen and Technical Univ. of Denmark colleagues Anders Thorseth, Dennis Corell, and Peter Poulsen tested a large number of LED lamps to evaluate quality and lifetime, as reported in their paper "Light quality and efficiency of consumer grade solid state lighting products” (PDF 780 kB).

“It is the project group’s hope that we internationally can work together on test and characterization so the data can be shared all over the world to benefit the individual nation importing or producing the products,” Thorseth said.

Read SPIE’s press release here.

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