How does the power of a laser beam depend on one's distance from the source? Does it obey the inverse square law? - Quora
![SOLVED:The power of a 10 mW laser beam decreases to 40 μW after traversing through 40 km of an optical fiber. Calculate the attenuation of the fiber in dB / km SOLVED:The power of a 10 mW laser beam decreases to 40 μW after traversing through 40 km of an optical fiber. Calculate the attenuation of the fiber in dB / km](https://cdn.numerade.com/previews/99a0f162-e8e3-40bd-a530-9cd64ec93f01_large.jpg)
SOLVED:The power of a 10 mW laser beam decreases to 40 μW after traversing through 40 km of an optical fiber. Calculate the attenuation of the fiber in dB / km
![Top view of the laser beam profile (blue: low power, red: high power)... | Download Scientific Diagram Top view of the laser beam profile (blue: low power, red: high power)... | Download Scientific Diagram](https://www.researchgate.net/publication/271881365/figure/fig3/AS:341281906675713@1458379355130/Top-view-of-the-laser-beam-profile-blue-low-power-red-high-power-illustrating-the.png)
Top view of the laser beam profile (blue: low power, red: high power)... | Download Scientific Diagram
5000 Miles Red Laser Pointer Pen Zoomable Visible Star Light Beam Power Lazer – ASA College: Florida
![ATTRACT featured stories: High power laser beam profile and pointing measurement (HPLM) - ATTRACT Project ATTRACT featured stories: High power laser beam profile and pointing measurement (HPLM) - ATTRACT Project](https://phase1.attract-eu.com/wp-content/uploads/2020/03/ATTRACT_HPLM.png)
ATTRACT featured stories: High power laser beam profile and pointing measurement (HPLM) - ATTRACT Project
![Photonics | Free Full-Text | Towards Ultimate High-Power Scaling: Coherent Beam Combining of Fiber Lasers Photonics | Free Full-Text | Towards Ultimate High-Power Scaling: Coherent Beam Combining of Fiber Lasers](https://pub.mdpi-res.com/photonics/photonics-08-00566/article_deploy/html/images/photonics-08-00566-g006.png?1639131664)