1. Wave and Particle Descriptions of Laser Light A 5 mW HeNe laser emits photons of...
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1. Wave and Particle Descriptions of Laser Light A 5 mW HeNe laser emits photons of a single wavelength 632.8 nm in a beam of light in a vacuum. The beam diameter diverges slightly and at a distance 3 m from the laser output, the diameter of the beam is 2 mm. (a) Determine the energy (in eV) of one HeNe laser photon. (b) Determine the intensity (in W/m) of the laser beam at the point that is 3 m from the laser output, along the direction of the beam. (c) Determine the photon flux (number of photons per unit area) at the point that is 3m from the laser output, along the direction of the beam. (d) If instead one uses the electromagnetic wave model of light, deter- mine the amplitude of electric field in N/C at the point 3m from the laser output, along the direction of the beam. 1. Wave and Particle Descriptions of Laser Light A 5 mW HeNe laser emits photons of a single wavelength 632.8 nm in a beam of light in a vacuum. The beam diameter diverges slightly and at a distance 3 m from the laser output, the diameter of the beam is 2 mm. (a) Determine the energy (in eV) of one HeNe laser photon. (b) Determine the intensity (in W/m) of the laser beam at the point that is 3 m from the laser output, along the direction of the beam. (c) Determine the photon flux (number of photons per unit area) at the point that is 3m from the laser output, along the direction of the beam. (d) If instead one uses the electromagnetic wave model of light, deter- mine the amplitude of electric field in N/C at the point 3m from the laser output, along the direction of the beam.
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Sure Ill walk you through the solution to each part of the problem Part a Determine the energy in eV of one HeNe laser photon To find the energy of a photon we can use the equation that relates energy ... View the full answer
Related Book For
Elementary Principles of Chemical Processes
ISBN: 978-1119498759
4th edition
Authors: Richard M. Felder, ? Ronald W. Rousseau, ? Lisa G. Bullard
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