2 papers
physics.optics2019
Unidirectional reflectivity in non-Hermitian lossy thin films
A. Padrón-Godínez, C. G. Treviño-Palacios
Inspired by non-Hermitian systems, we study reflection and transmission in a stack of thin films composed by the repetition of a bipartite unit cell. We aim for controlled reflecti…
physics.optics2005
Phase Contrast technique: a broader approach
David Sanchez-de-la-Llave, M. David Iturbe-Castillo, Carlos G Trevino-Palacios
The treatment found on most general optics textbooks related to the phase contrast technique imposes limitations on the filter phase and object phase variations in order to mathema…