Impressions of the Practical Course SS2010

Building a CD Spectroscope

The CD acts as a diffraction grating, ...

... but it takes some more to build a working spectrometer.

The continuum is clearly visible.

Luckily, the sun comes out so also absorption lines can be seen.

Some more fine-tuning of the spectroscopes, ...

... and all students can enjoy the view.

Last revision in Jul 2010