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Lasers Approach Their Ultimate Intensity Limit

August 11th, 2010 08:26 admin Leave a comment Go to comments

Flash Modin writes “Death Star style superlasers? Don’t bet on it. High power lasers currently in development appear to be nearing the theoretical laser intensity limit, according to new research set to be published in the journal Physical Review Letters. Ultra-high-energy laser fields can actually convert their light into matter as shown in the late ’90s at the Stanford Linear Accelerator (SLAC). This process creates an ‘avalanche-like electromagnetic cascade’ (also known as sparking the vacuum) capable of destroying a laser field. Physicists thought it might be a problem for lasers eventually, but this work indicates the technology is much closer to its limit than researchers believed. A preprint is available here.”

Source: Lasers Approach Their Ultimate Intensity Limit

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