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What is Gaussian Beam FWHM and 1/e² Radius about?
1) Gaussian beams produced by lasers have an electric field and intensity profile that follows a Gaussian distribution. 2) The beam radius (w) and radius of curvature change with distance (z) from the beam waist according to Gaussian beam propagation formulas. 3) An important parameter is the Rayleigh range, which is the distance over which the beam radius increases by a factor of √2.
- Author
- Elizebeth
- Language
- EN