Micro- and nano-scale photonic lattices induced by Bessel beam technique in doped lithium niobate crystals

摘要

In this report we present the results of optical induction of 1D and 2D micrometric and sub-micrometric scale annularsymmetry photonic lattices in singly and doubly doped photorefractive lithium niobate crystals by Bessel beamtechnique. The non-diffractin