Title :
Coherent perfect absorption with Gaussian beams
Author :
Dey, Shuvashis ; Singh, Sushil
Author_Institution :
Sch. of Phys., Univ. of Hyderabad, Hyderabad, India
Abstract :
We study coherent perfect absorption in a metal-dielectric composite slab with bi-directional illumination using Gaussian beams. We show that CPA is possible with broader Gaussian beams, while tightly focused beams lead to incomplete absorption.
Keywords :
Gaussian processes; laser beams; light absorption; optical focusing; Gaussian beams; bi-directional illumination; coherent perfect absorption; metal-dielectric composite slab; tightly focused beams; Absorption; Optical polarization; Optical reflection; Optical scattering; Propagation losses; Radio frequency; Coherent Perfect Absorption;
Conference_Titel :
Recent Advances in Photonics (WRAP), 2013 Workshop on
Conference_Location :
New Delhi
Print_ISBN :
978-1-4799-4864-2
DOI :
10.1109/WRAP.2013.6917665
