单词	petawatt
释义	petawatt /ˈpedəˌwät / noun A quadrillion (1015) watts: each year warm-core eddies shed southward the equivalent of about 0.3 petawatt of power... Their calculations show that circularly polarized light from petawatt lasers - which are currently under construction around the world - could induce incredibly short blasts of synchrotron-like radiation. The latest generation of petawatt lasers, for example, can produce focused infrared pulses with an intensity of 10 21 watts per square centimetre. Copious numbers of energetic electrons are accelerated to mega-electron-volt energies during the petawatt laser/matter interaction.
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