5 Polarization and Conoscopy |
5.7 Performing Conoscopy Examinations
Primotech | Document 430055-9044-008 V.1.0; 03 / 2014
39
3
Move the condenser to the maximum vertical position to increase the size of
the beam.
!
4
Open the aperture diaphragm and the luminous field diaphragm completely.
5
Turn the polarizer ring under the condenser to the 0° position.
6
Insert the rotatable analyzer into the horizontal slot of the intermediate tube.
7
Turn the lever
2
to the left to insert the Bertrand lens into the beam path.
You can alter the focus of the Bertrand lens by turning the screw
1
.
2
1
8
Observe the interference patterns through the eyepiece.
You can rotate the stage to change the orientation of the sample.
9
If desired, insert a compensator into the 45° slot of the stand to further
investigate and analyze the properties of the sample.