Two-Laser Thermal Lens Spectrometry with Signal Back-Synchronization |
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| Authors: | D. A. Ivshukov I. V. Mikheev D. S. Volkov A. S. Korotkov M. A. Proskurnin |
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| Affiliation: | 1.Department of Chemistry,Moscow State University,Moscow,Russia;2.Vernadsky Institute of Geochemistry and Analytical Chemistry,Russian Academy of Sciences,Moscow,Russia |
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| Abstract: | A two-laser dual-beam thermal lens spectrometer based on continuous-wave lasers, which implements the mode with signal back-synchronization, is developed with the aim to develop instrumentation for thermal lens spectrometry. This mode offers a potentially higher sensitivity of measurements in comparison with the lock-in mode of thermal lens measurements and variation of conditions depending on the measurement medium (solvent, or dispersed system, or solids). The wider possibilities of the back-synchronization mode in thermal lens spectrometry both for solving problems of chemical analysis and in some related fields are shown. |
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