Contact: Laura Ost
National Institute of Standards and Technology (NIST)
Caption: Carbon nanotubes enable the copper instrument to withstand the intensity of military lasers while precisely measuring their power. Laser light is distributed evenly inside the water-cooled cavity by a mirror (diagonal component at center of graphic).
Credit: Credit: C. Cromer/NIST
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Related news release: New nanotube coating enables novel laser power meter