Research news and articles

21 JUN

New type of stadium lights reduces light pollution and complaints from neighbours

Several municipalities are struggling with neighbours complaining about the lights from sports fields. Now, a DTU researcher has invented a lens that solves the problem...

Energy efficiency Light sources Optics
25 SEP

Ultrafast light reveals sketches under Renaissance painting

Short light pulses help to reveal secret drawings under the paint of a 16th century art relic. The advanced technology can be used to document key cultural artefacts.

Physics Light sources
27 JUL

Cold LED light threatens Nordic 'hygge'

Scandinavian affinity for warm lighting is threatened by international developments within LED lighting. Consumers should stand up and fight, says the author Tor Nørretranders...

Light sources
27 JUL

LED light bulbs need describing in new ways

The Ra index is a set of values that describe light quality. However, the index stems from the era of the incandescent bulb and the fluorescent tube, and it makes it difficult...

Light sources
04 JUL

Poster Contribution for DronEL Wins “Best Poster Award in Photovoltaic Characterization...

Postdoc Gisele Benatto from the PV Team in the Diode Lasers & LED Systems Group represented the DronEL project  at the international IEEE Photovoltaic Specialists Conference...

Light sources
22 MAR

New electronics fill gaps in solar cell lamp market

Knowledge about efficient conversion of solar energy combined with considerable insight into solar cells have resulted in new efficient electronics for use in solar cell...

Electrotechnology Solar energy Light sources
09 DEC

DTU Fotonik Researchers in Optics & Photonics’ Special Edition 2016

A special edition of Optics & Photonics News has highlighted the 30 most important optics research breakthroughs in 2016. The featured publications are from prominent...

Lasers Light sources Optics
29 NOV

Squeezed states of light can improve feedback cooling significantly

In a recent proof-of-principle experiment, published in Nature Communications, researchers from DTU Physics have demonstrated how quantum-engineered states of light can...

Physics Quantum theory and atomic physics Lasers Light sources
04 NOV

Globalization may pose a threat to Nordic light culture

Global consensus on minimizing the amount of power consumed by LED lights affects the demand for good lighting in the Nordic countries.

Physics Light sources
19 JUL

Translucent concrete

Is it possible to combine the construction benefits of concrete with the desire to get more daylight into buildings? The answer is yes. An innovative building material...

Light sources Optics Construction materials Building design Building construction Entrepreneurship Innovation and product development