Publication (in German):

pdf

Publication (in English):

pdf

German-English translation of the spoken German text

pdf

Information about the video

Name:

Spektrum von Natrium - Absorption und Emission

Duration:

2:53

Resolution:

720x576 (PAL)

Encoding:

DivX 5.02 (153 MB)

Video/Audio:

German/German

Screenshots from the video

Experimental set-up

Fig. 1: Explanation of details

Fig. 2: Schematic sketch

Observation of the spectrum during the rise of temperature in the absorption cell

Fig. 3: temperature in cell below 190° C

Fig. 4: temperature above 190° C

Fig. 5: Experimental set-up with
a sodium vapour lamp and a semitransparent mirror

Comparison of absorption and emission spectrum

Fig. 6: Superposition of absorption and emission spectrum

Fig. 7: Result