Street lamps classification

HPS

High pressure sodium

Brighter in the yellow region. Lines appear at 498 nm (doublet) 467, 475, 515, 569 (green), 594, 595, 598, and 616 nm.

MV

Mercury vapor

Bright violet line. The spectrum has emission lines of mercury as 408, 436, 492 (very faint), 546, 577, 579, 620 nm.

MH

Metal halide

The spectrum has emission lines of mercury as 408, 436, 492 (very faint), 546, 577, 579, 620 nm.

LED

Light Emitting Diode

The spectra of this lamps is a continuous rainbow of light without any bright or dark lines.

Got something different?

The LICA-UCM lamps spectral database gathers more than 100 different sources

Some of our favourites

Street Spectra is part of ACTION project

Check Out Other Projects!

This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 824603.

jzamorano@fis.ucm.es