Ultrafast cold-brewing of coffee by picosecond-pulsed laser extraction

ARTICLE OPEN Ultrafast cold-brewing of coffee by picosecond-pulsed laser extraction Anna R. Ziefuß 1,6 , Tim Hupfeld 1,6 , Sven W. Meckelmann 2 , Martin Meyer 2 , Oliver J. Schmitz 2 , Wiebke Kaziur-Cegla 3,4 , Lucie K. Tintrop 3,4 , Torsten C. Schmidt 3,4 , Bilal Gökce 1,5 and Stephan Barcikowski 1 ✉ Coffee is typically brewed by extracting roasted and milled beans with hot water, but alternative methods such as cold brewing became increasingly popular over the past years. Cold-brewed coffee...