537 appliedoptics astronomy chemistry classicalelectrodynamics electrodynamics electromagnetism electronics electronicsandmicroelectronics engineering engineeringgeology geodesy geographicalinformationsystems/cartography geographicinformationsystems geophysics geophysics/geodesy geosciences geotechnicalengineering instrumentation lasertechnology magneticmaterials magnetism materialsscience mathematicalmethodsinphysics mathematicalphysics microwaves multiphotonprocesses nanoscalescienceandtechnology nanotechnologyandmicroengineering nonlinearoptics observations observationsandtechniques opticalandelectronicmaterials opticaldevices opticalmaterials optics opticsandlasers optoelectronics photonics physicalandtheoretical physicalgeography physicaloptics physicalorganicchemistry physics plasmonicsandopticaldevices polarregions popularscienceinastronomy quantumelectronics quantuminterference quantumoptics remotesensing remotesensing/photogrammetry renewableandgreenenergy renewableenergysources semiconductors solidstatephysics stronglycorrelatedsystems superconductivity surveys ta1501-1820 ta1671-1707 wavephenomena