Abstract
We have been achieved to development a palm top sized photo-thermal lens spectroscopy detection system with micro chemical chip, in which all devices required for thermal lens measurement such as light sources, optical multiplexer and so on were integrated in the small box. The detection system was free from optical alignment problems. The system developed here had good performance. The limit of determination for Ni complex standard solution was evaluated to be 1.0 × 10 (Abs). © 2006 Society for Chemistry and Micro-Nano Systems.