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2. “Astra Gemini.” http://www.clf.rl.ac.uk/Science/12258.aspx. (Accessed: 15 March 2017).
3. “Vulcan.” http://www.clf.stfc.ac.uk/CLF/12248.aspx. (Accessed: 15 March 2017).
4. “Berkeley Lab Laser Accelerator (BELLA).” http://bella.lbl.gov/. (Accessed: 15 March 2017).
5. Ultra-high intensity-high contrast 300-TW laser at 0.1 Hz repetition rate;Yanovsky,2008