A CO, laser produces a cylindrical beam of light with a diameter of 0.850 cm. The energy is pulsed, lasting for 1.70 ns, and each burst contains an energy of 400 mJ. What is the length L of each pulse of laser light? L = What is the average energy per unit volume ug for each pulse? J/m

A CO, laser produces a cylindrical beam of light with a diameter of 0.850 cm. The energy is pulsed, lasting for 1.70 ns, and each burst contains an energy of 400 mJ. What is the length L of each pulse of laser light? L = What is the average energy per unit volume ug for each pulse? J/m

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter16: Waves

Section: Chapter Questions

Problem 134AP: (a) What is the intensity of a laser beam used to burn away cancerous tissue that, when 90.0%...

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Question

A CO, laser produces a cylindrical beam of light with a diameter of 0.850 cm. The energy is pulsed, lasting for 1.70 ns, and
each burst contains an energy of 400 mJ.
What is the length L of each pulse of laser light?
L =
m
What is the average energy per unit volume uve for
each pulse?
J/m

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