A channel is a kind of material that allows the flood of electrical flow in somewhere around one bearing. Electrical flow is made by the flood of conversely charged electrons, determinedly charged holes, and positive or negative particles from time to time. This social affair of materials is described by its handiness. Semiconductors, metals, and pottery generation are used today to outline significantly complex systems, for instance, composed electronic circuits, optoelectronic devices, and appealing and optical mass amassing media. In insight contact, the distinctive materials, with totally controlled properties, play out different limits, including the setting, planning, transmission, accumulating, and show of information. Electronic, alluring and optical materials ask about combines the essential benchmarks of solid-state physical science and science, of electronic and mixture building, and of materials science. Optical Nanomaterials for Photonics/Biophotonics, Engineering Applications of Spectroscopy Lasers in Medical and Biology Advances in Dielectric Materials and Electronic Devices.