Title :
Coherence changes in partially coherent beams transmitted by metal gratings
Author :
Lajunen, H. ; Saastamoinen, T.
Author_Institution :
Inst. of Photonics, Univ. of Eastern Finland, Joensuu, Finland
Abstract :
We study the coherence changes in beams transmitted by binary metallic gratings that support surface plasmons. It is shown that by choosing suitable parameters for the grating, the degree of coherence of the beam can be significantly increased.
Keywords :
Gaussian distribution; diffraction gratings; laser beams; light coherence; surface plasmons; Gaussian Schell-model beams; binary metallic gratings; coherence changes; partially coherent beams; surface plasmons; Coherence; Density functional theory; Educational institutions; Gratings; Optical interferometry; Plasmons; Spatial coherence;
Conference_Titel :
Microoptics Conference (MOC), 2013 18th
Conference_Location :
Tokyo