Narrow Band ImagingLasersSemiconductorsUltraviolet TherapyNoiseEndoscopyFluorescent DyesSpectrum AnalysisLasers, SemiconductorPrecancerous ConditionsAcoustic StimulationHarmful Algal BloomOptical ImagingLaser CoagulationRemote Sensing TechnologyEquipment Failure AnalysisOxyhemoglobinsDiagnostic ImagingLaser Therapy, Low-LevelEndoscopesEquipment DesignMicroscopy, Fluorescence, MultiphotonSpectrum Analysis, RamanGanodermaLasers, Solid-StateLaryngeal MucosaSpectroscopy, Near-InfraredLightingPlant WeedsElectromagnetic Radiation