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Is it true that if a laser beam is too powerful, it will ionize the air and block its own transmission? - Quora
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Experimentally validated modeling of the optical energy deposition in highly ionized ambient air by strong femtosecond laser pulses | SpringerLink
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Major pathway for multiphoton air ionization at 248 nm laser wavelength: Applied Physics Letters: Vol 111, No 22
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Remote detection of radioactive material using mid-IR laser–driven electron avalanche | Science Advances
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