![laser - How to find rayleigh range and beam waist if I took several measurements of beam radius at some fixed distance from the lens? - Physics Stack Exchange laser - How to find rayleigh range and beam waist if I took several measurements of beam radius at some fixed distance from the lens? - Physics Stack Exchange](https://i.stack.imgur.com/7ZMBf.jpg)
laser - How to find rayleigh range and beam waist if I took several measurements of beam radius at some fixed distance from the lens? - Physics Stack Exchange
![Beam radius, explained by RP Photonics Encyclopedia; laser beam, diameter, second moment, ISO Standard 11146 Beam radius, explained by RP Photonics Encyclopedia; laser beam, diameter, second moment, ISO Standard 11146](https://www.rp-photonics.com/img/fwhm.png)
Beam radius, explained by RP Photonics Encyclopedia; laser beam, diameter, second moment, ISO Standard 11146
![Schematic illustration of the correlation between energy density, laser... | Download Scientific Diagram Schematic illustration of the correlation between energy density, laser... | Download Scientific Diagram](https://www.researchgate.net/publication/333988994/figure/fig2/AS:872688243458066@1585076499905/Schematic-illustration-of-the-correlation-between-energy-density-laser-beam-radius-and_Q640.jpg)
Schematic illustration of the correlation between energy density, laser... | Download Scientific Diagram
![Laser beam radius as a function of distance from the waist location (z... | Download Scientific Diagram Laser beam radius as a function of distance from the waist location (z... | Download Scientific Diagram](https://www.researchgate.net/profile/Kejian-Yang-2/publication/261068491/figure/fig3/AS:296736087134212@1447758804330/Laser-beam-radius-as-a-function-of-distance-from-the-waist-location-z-0-for-CW-and.png)