Åsa Haglund, associate professor at the Photonics
Laboratory at MC2, talks on her research on blue lasers in a new video
published by the Swedish Foundation for Strategic Research (SSF). SSF is
also funding Åsa Haglund's research as well.
Blue light – that is what Åsa Haglund her researchers at Chalmers aim to create. In 2014, the Nobel Prize in physics was awarded to the invention of blue light emitting diodes used as bright, low energy sources of white light, a good replacement for the old energy guzzling incandescent light bulbs. However, Åsa Haglund wants to take it one step further.
"What we are interested in is whether it is possible to use laser-based lightning instead of LED lamps. LED lamps are very good, they are very energy efficient when you are not trying to get a lot of light from them. But you do want quite a lot of light from a lamp , so in order to get more light from the LED lamp you have to add a lot more current. However, in doing so, the efficiency drops dramatically, perhaps as much as from 80 percent to 40 percent", Åsa Haglund says in the video from SSF.
Åsa Haglund is a member of the SSF career development programme for future research leaders, and funded with 6 MSEK for 2014-2019. Hear her tell more about her research, and future applications of the blue laser light, in the six minute film.