radiant energy
solar energy
strength
intensity level
intensity
radiator
radiant flux
radiation
radio energy
radiometry
transmission
transmittance
solar power
photovoltaic cell
photoelectrolysis
secondary energy
electric energy
spectroradiometry
electrical phenomenon
absorption
photovoltaic effect
band
electromagnetic energy
coefficient of reflection
reflection factor
backscatter
reflectance
reflectivity
photosensitivity
radiosensitivity
actinometry
luminous energy
emission spectrum
infrared ray
radiation field
photoconductivity
radiancy
scintillator
R
photoconduction
roentgen
infrared lamp
electrical energy
photoenergy
electric charge
nonparticulate radiation
photogeneration
electromagnetic radiation
electromagnetic wave
electrochemical potential