主题词：Photonic and Optical Devices; Photonic Crystals and Applications; Plasmonic and Surface Plasmon Research; Metamaterials and Metasurfaces Applications; Optical Coatings and Gratings; Advanced Antenna and Metasurface Technologies; Gold and Silver Nanoparticles Synthesis and Applications; Advanced Fiber Optic Sensors; Diverse Scientific and Economic Studies; Antenna Design and Analysis; Advanced Fiber Laser Technologies; Human auditory perception and evaluation; Educational Robotics and Engineering; Optical Network Technologies; Photonic Crystal and Fiber Optics; Thermal Radiation and Cooling Technologies; Quantum Dots Synthesis And Properties; Orbital Angular Momentum in Optics; Nonlinear Optical Materials Studies; Semiconductor Quantum Structures and Devices; Fern and Epiphyte Biology; Near-Field Optical Microscopy; Semiconductor Lasers and Optical Devices; Terahertz technology and applications; Silicon Nanostructures and Photoluminescence