What is Photometry?Photometry DefinitionPhotometry is defined as the science of measuring light in terms of its perceived brightness to the human eye.Fiber PhotometryFiber photometry uses optical fibers and fluorescent indicators to record neural activity in living animals.Flame PhotometryFlame photometry determines the concentration of metal ions in a sample by measuring emitted light from a flame.Reflectance PhotometryReflectance photometry measures the color and reflectance properties of surf