radio radiation
radio emission
radio wave
shortwave
medium wave
microwave radiation
short wave
submillimeter wave radiation
long wave
light wave
microwave
terahertz radiation
radio frequency
electromagnetic spectrum
light unit
infrared
lumen-hour
absorption spectrum
absorption band
ultra low frequency
band
Hertzian wave
electromagnetics
space wave
A
angstrom unit
angstrom
electromagnetism
cd
infrared radiation
light second
broadband
standard candle
candela
candle
emission spectrum
flux unit
line
spectrophotometer
radiant flux
T-ray
petahertz
infrared light
actinometry
infrared emission
electromagnetic wave
cymoscope
upscattering
electromagnetic delay line
optical spectrum