← Back to Lab
Photon Calculator
Enter any photon quantity and all others update in real time. The chart shows the electromagnetic spectrum with common laser lines, spectral bands, and your operating point.
Parameters
Region —
Photon relations. E = h c/λ = ℏω, ν = c/λ, T = 1/ν, ẋ = 1/λ. h c ≈ 1239.84 eV·nm. Constants: CODATA 2018.
Electromagnetic spectrum — λ, E, and common lasers
Bands UV Visible NIR SWIR MIR / LWIR