Preliminary Studies of Laser-Induced Thermal Emission Spectroscopy of Condensed Phases

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Abstract:

Laser-Induced Thermal Emission (LITE) spectroscopy is introduced as an analytical technique for condensed-phase specimens. In this technique, a laser beam is used to locally heat the specimen, and the mid-infrared thermal emission is observed. Two different materials and different thicknesses of each material were examined with LITE. The equilibrium temperature attained during a LITE measurement was estimated to be about 50°C. The advantages of LITE over conventional thermal emission are noted. The multiple dimensions of information present and some of the potential analytical applications of LITE are discussed.

Keywords: Condensed phases; Emission spectroscopy; FT-IR; Laser, Nd:Yag; Laser-Induced Thermal Emission

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/0003702884427852

Affiliations: Department of Chemistry, BG-10, University of Washington, Seattle, Washington 98195

Publication date: March 1, 1988

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