Explore how index funds offer effective diversification with low expenses. Learn how to include them in your portfolio for a balanced investment approach.
Abstract: For fiber Bragg grating (FBG) with a one-dimensional (1D) photonic crystal structure based on silica materials, its photonic bandgap can only respond to temperature and strain. We combined ...
Abstract: This paper considers an array unit of a meta-material (MTM) structure and examines the performance of various configurations of the array unit. Array units of a square-shaped opposingly ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results