We investigated surface phonon polariton resonance in cesium iodide by terahertz time-domain attenuated total reflection spectroscopy. Systematic experimental results are directly accounted by the strong enhancement of the electric field at the interface.
© 2006 Optical Society of America
(240.0240) Optics at surfaces : Optics at surfaces
(240.6490) Optics at surfaces : Spectroscopy, surface
(300.0300) Spectroscopy : Spectroscopy
(300.6270) Spectroscopy : Spectroscopy, far infrared
T. Okada, M. Nagai, and K. Tanaka, "Electric Field Enhancement in THz Region with Surface Phonon Polariton Resonance," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper JTuD19.