Calibration Lamp Spectra
Neon
Hg-Cd-Ar
When the HgCdAr lamp is first turned on, Argon lines are visible at the red end of the spectrum, but quickly vanish. It also takes a couple minutes for the lamp to warm up and show the Cadmium lines at full strength.
Elinor Gates, Bryant Grigsby. Last modified: Tue Jul 3 15:18:14 PDT 2007