Question

A high-energy pulsed laser emits a 1.0-ns-long pulse of average
power 8.3×10^{11} W . The beam is 1.1×10?3m in radius.

Part A

Determine the energy delivered in each pulse.

Express your answer using two significant figures.

*E* =......?...... J

Part B

Determine the rms value of the electric field.

Express your answer using two significant figures

*E*rms = .....?...... V/m

Answer #1

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A high-energy pulsed laser emits a 1.0-ns-long pulse of average
power 6.7×1011 W . The beam is 2.1×10−3m in radius.
A) Determine the energy delivered in each pulse. (In J)
B) Determine the rms value of the electric field. (In V/m)

A high energy pulsed laser emits 2.50 nano second-long pulse of
average power 1.60 × 1011 W. The beam
is cylindrical with 1.90 mm in radius. Determine the rms value of
the B-field?

A 8.2 mW laser produces a narrow beam of light. How much energy
is contained in a 2.5 m length of its beam? Express your answer
using two significant figures.

A 0.50 mW laser produces a beam of light with a diameter of 1.6
mm . Part A What is the average intensity of this beam? Part B At
what distance does a 130 W lightbulb have the same average
intensity as that found for the laser beam in part (a)? (Assume
that 5.0% of the bulb's power is converted to light.) Express your
answer using two significant figures.

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