A high-energy pulsed laser emits a 1.0-ns-long pulse of average power 1.5 x 10^{11} W . The beam is nearly a cylinder 2.2 x 10^{-3} m in radius. Determine a) the energy delivered in each pulse, and b) the rms value of the electric field.

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Giancoli's Physics: Principles with Applications, 7th Edition

Electromagnetic Waves

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22-1: B Produced by Changing E

22-2: EM Waves

22-3: Electromagnetic Spectrum

22-4: Measuring the Speed of Light

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22-5: Energy in EM Wave

22-6: Radiation Pressure

22-7: Radio, TV

Problem 30

A high-energy pulsed laser emits a 1.0-ns-long pulse of average power $1.5 \times 10^{11} \textrm{ W}$ . The beam is nearly a cylinder $2.2 \times 10^{-3} \textrm{ m}$ in radius. Determine

the energy delivered in each pulse, and
the rms value of the electric field.

$150 \textrm{ J}$
$1.9 \times 10^9 \textrm{ N/C}$

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A high-energy pulsed laser emits a 1.0-ns-long pulse of average power 1.5×1011 W1.5 \times 10^{11} \textrm{ W}1.5×1011 W. The beam is nearly a cylinder 2.2×10−3 m2.2 \times 10^{-3} \textrm{ m}2.2×10−3 m in radius. Determine

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A high-energy pulsed laser emits a 1.0-ns-long pulse of average power $1.5 \times 10^{11} \textrm{ W}$ . The beam is nearly a cylinder $2.2 \times 10^{-3} \textrm{ m}$ in radius. Determine