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Assume the helium-neon lasers commonly used in student physics laboratories have power outputs of 0.25 mW.

Assume the helium-neon lasers commonly used in student physics laboratories have power outputs of 0.25 mW.

Question

 Assume the helium-neon lasers commonly used in student physics laboratories have power outputs of 0.25 mW.

If such a laser beam is projected onto a circular spot 2.8 mm in diameter, what is its intensity in W/m“? 8 |9 (| ) E 1^^| 4 sin() cos() tan() 7 НOME cotan() asin() acos() 5 atan() acotan() sinh() 1 2 3 cosh() tanh() cotanh() + END ODegrees DEL CLEAR Find the peak magnetic field strength in T. Find the peak electric field strength in V/m.
Transcribed Image Text:If such a laser beam is projected onto a circular spot 2.8 mm in diameter, what is its intensity in W/m“? 8 |9 (| ) E 1^^| 4 sin() cos() tan() 7 НOME cotan() asin() acos() 5 atan() acotan() sinh() 1 2 3 cosh() tanh() cotanh() + END ODegrees DEL CLEAR Find the peak magnetic field strength in T. Find the peak electric field strength in V/m.
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