Attosecond spectroscopy wins 2023’s Nobel Prize in Physics
<p>If you want to understand and measure the world around you, one of the most important tools at your disposal is the ability to image — or take a snapshot — of precisely what’s occurring. In the 19th century, photography meant holding your subject perfectly still while you accumulated large amounts of light: several seconds worth of it. In more modern times, we can perform high-speed photography, using a shorter “pulse” of light to image an individual, brief moment in the life of objects as they naturally occur, including objects in motion. We can do this with visible light for macroscopic objects, but we can do with in a variety of wavelengths on microscopic scales with a special type of technology: high-speed laser pulses.</p>
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