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Tiny laser creates 180,000°F, 800 million times atmospheric pressure in cosmic simulation | In a series of precise measurements, the scientists varied the timing between the laser pulse and the X-rays passing through the target.
The laser's impact generated fast-moving electrons that rapidly heated the surface of the copper wire, producing shock waves.
A research team from the Helmholtz-Zentrum Dresden-Rossendorf (HZDR), in collaboration with scientists from the European XFEL, has successfully recreated and observed the extreme conditions found inside stars using a much smaller laser than previously employed. “Our computer simulations suggest that we have reached a pressure of 800 megabars,” says Thomas Cowan, director of the HZDR Institute of Radiation Physics and initiator of the HIBEF consortium. “Our experiment shows in an impressive way how we can generate very high densities and temperatures in a wide variety of materials,” explains Ulf Zastrau, head of the HED group at the European XFEL.
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