Thermal Lens Detectors for High Performance Chromatographies

Michael D. Morris

doi:10.1117/12.936247

19 October 1983 Thermal Lens Detectors for High Performance Chromatographies

Michael D. Morris

Proceedings Volume 0426, Laser-Based Ultrasensitive Spectroscopy and Detection V; (1983) https://doi.org/10.1117/12.936247
Event: 27th Annual Technical Symposium, 1983, San Diego, United States

Abstract

Chromatographic detectors based on the thermal lens and related photothermal deflection effects are discussed. A pump/probe thermal lens detector is used to monitor HPLC effluents with 1 μA sensitivity. A photothermal deflection system is used as a densitometer in a scanned HPTLC system. Picogram sensitivity is observed. Prospects for practical devices are discussed.

Citation Download Citation

Michael D. Morris "Thermal Lens Detectors for High Performance Chromatographies", Proc. SPIE 0426, Laser-Based Ultrasensitive Spectroscopy and Detection V, (19 October 1983); https://doi.org/10.1117/12.936247

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