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Optica Publishing Group
  • Applied Spectroscopy
  • Vol. 42,
  • Issue 3,
  • pp. 477-483
  • (1988)

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.

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