One of the highest power lasers in the world sits on a table. It emits pulses that last approximately 16 fs, and contain 103 mJ of energy. "fs" indicates a femtosecond, which is 10-15 seconds. a) What is the average power associated with a single pulse? b) What is the physical length of this pulse? c) When the beam exits the laser, it is approximately 30 mm in diameter. Molecules begin to ionize when applied electric fields reach approximately 8.680e+09 V/m. To what diameter must the beam be focused to reach this electric field strength
One of the highest power lasers in the world sits on a table. It emits pulses that last approximately 16 fs, and contain 103 mJ of energy. "fs" indicates a femtosecond, which is 10-15 seconds. a) What is the average power associated with a single pulse? b) What is the physical length of this pulse? c) When the beam exits the laser, it is approximately 30 mm in diameter. Molecules begin to ionize when applied electric fields reach approximately 8.680e+09 V/m. To what diameter must the beam be focused to reach this electric field strength
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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One of the highest power lasers in the world sits on a table. It emits pulses that last approximately 16 fs, and contain 103 mJ of energy. "fs" indicates a femtosecond, which is 10-15 seconds.
a) What is the average power associated with a single pulse?
b) What is the physical length of this pulse?
c) When the beam exits the laser, it is approximately 30 mm in diameter. Molecules begin to ionize when applied electric fields reach approximately 8.680e+09 V/m. To what diameter must the beam be focused to reach this electric field strength?
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