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

Volume 42, Number 3 (April 1988) Page 477-483

Lin, L.T.; Archibald, D.D.; Honigs, D.E.


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.