Each pulse produced by an argon–fluorideexcimer laser used in PRK and LASIK ophthalmic surgery lasts only10.0 ns but delivers an energy of 2.50 mJ. (a) What is the powerproduced during each pulse? (b) If the beam has a diameter of0.850 mm, what is the average intensity of the beam during eachpulse? (c) If the laser emits 55 pulses per second, what is the average power it generates?

Each pulse produced by an argon–fluorideexcimer laser used in PRK and LASIK ophthalmic surgery lasts only10.0 ns but delivers an energy of 2.50 mJ. (a) What is the powerproduced during each pulse? (b) If the beam has a diameter of0.850 mm, what is the average intensity of the beam during eachpulse? (c) If the laser emits 55 pulses per second, what is the average power it generates?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter24: Electromagnetic Waves

Section: Chapter Questions

Problem 53P

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