Opto-acoustic spectroscopy with a visible CW dye laser |
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| Authors: | A.M. Angus E.E. Marinero M.J. Colles |
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| Affiliation: | Department of Physics, Heriot-Watt University, Edinburgh, Scotland, UK |
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| Abstract: | The first use of a tunable visible laser in conjunction with an opto-acoustic cell is described. By using a longitudinal resonance of the gas cell NO2 can be detected around 10 p.p.b., the same order of detectivity as in the infrared. The use of the technique for studying photodissociation in the visible and u.v. is discussed. |
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