Spectrophotometer cell having a lens

摘要

A cell for measuring the spectrum of a sample in a light beam of a spectrophotometer, comprises an incident wall member 17 and an exit wall member 15 spaced therefrom to define therebetween a sample chamber 14 extending between internal faces of the internal and exit wall members, the incident wall member including a window 18 with a lens 19 adapted to concentrate the light beam incident thereon into the sample chamber 14. The cell may also contain a further lens. The cell component may be made of quartz which may be black for parts 11, 17.