Soft l i thography is a low-cost, non-photolithographic strategy for carrying out micloand nano-fabrication. This unconventional approach consists oftechniques based on self-assembly and replica moiding oforganic molecules and polyneric marerialsFour such techniques, microcontact printing (ICP). replica molding. micromolding in capil laries (MIMIC), and microtransfer molding (ITM ). have been d...

Relying on abrupt phase discontinuities, metasurfaces characterized by a transversely inhomogeneous surface impedance profile have been recently explored as an ultrathin platform to generate arbitrary wave fronts over subwavelength thicknesses. Here, we outline fundamental limitations of passive gradient metasurfaces in molding the impinging wave and show that local phase compensation is essent...

diagram of symmetry requirements for waveguide crossing, showing waveguide mode profiles and resonant-cavity mode contours. By symmetry the solid-line modes cannot couple with the dashed-line modes and vice versa. tional to the lifetime of the resonance mode. The required parity of the cavity modes is easy to achieve using the results of Figure 5. The desired resonant cavity is created by intro...

Product quality for plastic injection molding process is highly related with the settings for its process parameters. Additionally, the product quality is not simply based on a single quality index, but multiple interrelated quality indices. To find the settings for the process parameters such that the multiple quality indices can be simultaneously optimized is becoming a research issue and ...