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