The new system could emit X-ray pulses ten times more powerful than ever before.
Scientists at the Department of Energy's SLAC National Accelerator Laboratory developed a new method to push the limits of the lab's Linac Coherent Light Source X-ray free-electron laser ,The team adapted a Nobel Prize-winning technique used to create superpowerful optical laser pulses called chirped pulse amplification . In doing so, they were able to produce X-ray pulses ten times more powerful than ever before.The team, who published their findings in thejournal on Nov.
With chirped pulse amplification for X-rays, Li continued, "we've shown that we can achieve very impactful beam parameters of greater than 1 terawatt peak power and a pulse duration of about 1 femtosecond at the same time." Li said he and his team "realized that asymmetric Bragg reflections can be used to implement the CPA mechanism. Then, our X-ray optics team and accelerator physics team worked together to optimize the design based on simulations with realistic beam parameters."
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