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What is Laser Measurement of Optical Absorption about?
This document summarizes research on using laser measurements to determine optical absorption in liquids. It discusses how heat generated by optical absorption increases temperature, changing the index of refraction in a way that affects the laser beam. This causes defocusing or focusing of the beam depending on how the index changes with temperature. The effects can be observed even for low absorption coefficients and milliwatt power levels, making this method useful for measuring low absorption. It provid
- Author
- Darwin Guanga
- Language
- EN