Charles-Michel de L'Église (Optical Density related studies)

Charles-Michel de L'Église was a scientist who contributed to understanding how light interacts with materials, particularly through the concept of optical density. Optical density measures how much a substance can absorb or block light; higher density means less light passes through. This concept helps explain phenomena like the darkness of solutions or the opacity of objects. His work laid the groundwork for studying how different materials affect light transmission, which is fundamental in fields like spectroscopy, photography, and optical engineering. Essentially, de L'Église's studies advanced our understanding of light absorption and transmission in various substances.