A powerful laser breakthrough

05 June 2018

Terahertz laser radiation can penetrate common packaging materials and is also remarkably effective in optical sensing and analysis of a wide variety of chemicals. These lasers have the potential for use in non-destructive screening and detection of packaged explosives and illicit drugs for example.
Researchers have developed a technique to enhance the power output of single-mode lasers that are “surface-emitting”. A specific type of periodicity is introduced in the laser's optical cavity, allowing it to fundamentally radiate a good quality beam with increased radiation efficiency. An article about the research is published in Nature Communications (News Item Lehigh University, 27 April 2018).
Click here for the news item.
Click here for the published article (927 kB).

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