Title :
Enhanced coherent thermal emission of coupled resonant cavities due to surface phonon-polariton excitation
Author :
Hasman, Erez ; Dahan, Nir ; Kleiner, Vladimir ; Niv, Avi ; Biener, Gabriel ; Gorodetski, Yuri
Author_Institution :
Optical Engineering Laboratory, Faculty of Mechanical Engineering, Technion-Israel Institute of Technology, Haifa 32000, Israel
Abstract :
We experimentally show a quasi-monochromatic and directional thermal source with a spatial coherence length in the far-field that is much larger than the predicted limit related to the surface phonon-polariton coherence of a flat surface.
Keywords :
Amorphous materials; Gratings; Optical surface waves; Polarization; Resonance; Spatial coherence; Stimulated emission; Surface morphology; Surface waves; Thermal engineering;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431750
