Principle

The setup of the experiment is uncritical and provides in
general good and reliable measured results.

Benefits


Specified for the requirements of the german final secondary-school examinations

Especially for secondary schools

Quantum and wave optics in a student experiment



Tasks

What is the distance between the grooves on a CD? A CD made with
grooves similar to a record. In contrast to the record the
distances between the grooves of a CD are so small that they can
hardly be seen with the naked eye. In this experiment you will
learn about a method to determine the distance between the
grooves.