1. At z=0, a circular gaussian beam is given by E = E, Exp-, where E is the electric field. (1) If the Full-Width-Half-Maximum (FWHM) width for the intensity is 100 um, please determine the beam width w, (with units). (2) If the total power of the beam is 1 W, please determine the peak electric field Eo (with units). [Hints: SS | Exp[-] 1?dxdy= "" } 2 (3) If the wavelength A is 1.55 um and the gaussian beam propagates in the +z direction, please determine the propagation distance z, at which the beam width becomes doubled (wo -> 2 wo).

1. At z=0, a circular gaussian beam is given by E = E, Exp-, where E is the electric field. (1) If the Full-Width-Half-Maximum (FWHM) width for the intensity is 100 um, please determine the beam width w, (with units). (2) If the total power of the beam is 1 W, please determine the peak electric field Eo (with units). [Hints: SS | Exp[-] 1?dxdy= "" } 2 (3) If the wavelength A is 1.55 um and the gaussian beam propagates in the +z direction, please determine the propagation distance z, at which the beam width becomes doubled (wo -> 2 wo).

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter34: Electromagnetic Waves

Section: Chapter Questions

Problem 34.25P

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