Element and apparatus for attenuated total reflection measurement, and method for measuring specific component using the same

摘要

An improved attenuated total reflection (ATR) element and the measurement apparatus employing the element capable of performing a measurement with a high accuracy at a low operating cost is disclosed. An ATR element of the present invention permits an incident beam to have an internal total reflection at the surface, and comprises a projection protruded at the portion where the incident beam has the internal total reflection.