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