Abstract: Recent literature has suggested that the McCumber relation relating laser emission and absorption cross-sections is not valid for erbium:glass. We present a theoretical and experimental ...

NASA almond CAD model is a standard for radar cross section (RCS) evaluation. In this article we compare the RCS simulation results from Shoot-Bouncing-Ray (SBR) method and ...

ECOSOC Resolution 2017/4: United Nations Strategic Plan for Forests 2017–2030 and quadrennial programme of work of the United Nations Forum on Forests for the period 2017–2020 E/RES/2017/4 ...