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Which to rotate? Tha Analyzer or the Polarizer.
September 29, 2014
04:39
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Forum Posts: 188
Member Since:
February 19, 2014
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1

It makes a difference.
The analyzer is above the specimen and the Polarizer is below the specimen as shown in this photo.

 

LB-592-1.jpg

The specimen is a thin section of Marble with the 4x objective in place.
The first photo is the reference taken with crossed polars.
Marble1 L5X_13 4x

Marble1-L5X_13-4x-1.jpg

The Analyzer  is rotated 15° with the Polarizer set to 0°.
Marble1 L5X_14 4x A15

Marble1-L5X_14-4x-A15-1.jpg

The Analyzer is reset to 0° and the Polarizer rotated 15°.
Marble1 L5X_12 4x P15

Marble1-L5X_12-4x-P15-1.jpg

This composite may  better to show the effect of rotating either the Analyzer or the Polarizer.

WhichToRotate.gif

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