The omni-directional reflection characteristics of one-dimensional photonic crystals composed of Ta2O5/MgF2 multi-quantum well (MQW) are studied using the transfer matrix method. An omni-directional reflector consisting of three and four Ta2O5/MgF2 M
A Compact, Omni-directional, Circularly Polarized Microstrip Antenna - Presentation of an omni-directional, circularly polarized antenna using a zero-order resonator with arc-shaped stubs