A Laser with a Power of 1

question 6

Multiple Choice

A laser with a power of 1.0 mW has a beam radius of 1.0 mm. What is the peak value of the electric field in that beam?

• A)490 V/m
• B)840 V/m
• C)65 V/m
• D)120 V/m
• E)22 V/m

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