E. Fred Schubert and his colleagues are to be congratulated for developing an improved antireflective coating. But the coating would not make a lens “absorb” more light. Rather, it would help the lens “propagate” the light.
Nathaniel L. Cohen San Diego, Calif.
“Absorb” probably was a poor word choice in reference to a lens. The point is that the coating reduces the amount of light reflected at the lens’ surface, thereby increasing the transmission of light through the lens.
From the Nature Index
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.