Megneto optical microscope (IMAGE) Aalto University Caption Magneto-optical microscope used for imaging spin waves in a Fabry-Pérot resonator Credit Matt Allinson, Aalto University Usage Restrictions With credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.