Sökning: "Mode-gap"
Hittade 2 avhandlingar innehållade ordet Mode-gap.
1. Technology and properties of InP-based photonic crystal structures and devices
Sammanfattning : Photonic crystals (PhCs) are periodic dielectric structures that exhibit a photonic band gap; a range of wavelengths for which light propagation is forbidden. 2D PhCs exhibit most of the properties as their three dimension counterparts with a compatibility with standard semiconductor processing techniques such as epitaxial growth, electron beam lithography, Plasma deposition/etching and electromechanical lapping/polishing. LÄS MER
2. Millimeter-Wave High-Gain Antenna for 5G Backhauling with Auto-beam-tracking Function
Sammanfattning : As microwave links are increasingly deployed within the millimeter-wave frequency range, E-band (70/80 GHz) links have been installed on a global scale. One major technological challenge in this high-frequency spectrum is the significant increase in path loss between receivers and transmitters. LÄS MER