Scitools
/ Spectral Unit Conversion
Refractive Index (n):
Spectral Position
Wavelength (λ)
fm
pm
Å
nm
μm
mm
cm
m
Frequency (ν)
Hz
kHz
MHz
GHz
THz
Wavenumber (k)
1/m
1/cm
1/mm
1/μm
1/nm
1/pm
Energy (E)
neV
μeV
meV
eV
keV
MeV
J
Linewidth / Shift
Δλ
fm
pm
Å
nm
μm
mm
cm
m
Δν
Hz
kHz
MHz
GHz
THz
τ = 1/Δν
fs
ps
ns
μs
ms
s
τ = 1/2πΔν
fs
ps
ns
μs
ms
s
Δk
1/m
1/cm
1/mm
1/μm
1/nm
1/pm
l = 1/Δk
fm
pm
Å
nm
μm
mm
cm
m
ΔE
neV
μeV
meV
eV
keV
MeV
J
Photon Flux Calculator
Power
pW
nW
μW
mW
W
dBm
Attenuation
Photon Flux
photons/s