absorption band
absorption spectrum
light unit
upscattering
spectrophotometer
electromagnetic spectrum
infrared
optical density
photographic density
photoelectric effect
transmission density
absorbance
fluorescence
emission spectrum
band
rem
spectroradiometry
mediumwave infrared
infrared radiation
infrared emission
infrared light
infrared spectrum
light spectrum
reabsorption
radio wave
rad
nuclear magnetic resonance
photoconduction
photoconductivity
gamma radiation
electromagnetic wave
interference filter
absorption line
microdosimetry
radio emission
radio radiation
microwave radiation
spectrum line
submillimeter wave radiation
waveband
bandshape
λmax
microwave
wavemeter
ultraviolet spectrum
glow
radiance
backscatter
glowing
extinction