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- RMA 5 pol - Mikroskop Technik Rathenow Gmbh

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2.4.2 Transmitted light <strong>pol</strong>arization<br />

pic.5: overview – incident light tube<br />

1 Analyzer slide<br />

2 slide for compensator<br />

3 locking screw for analyzer<br />

The <strong>pol</strong>arization microscope can only be used<br />

with transmitted light. The <strong>pol</strong>arizer slide is<br />

placed in the condenser of the stage or can be<br />

used as rotatable <strong>pol</strong>arizer which is directly<br />

mounted into the filter holder of the transmitted<br />

light illumination of the microscope. The 180°<br />

rotatable analyzer slide (1) is can be clamped<br />

by the locking screw (3).<br />

2.4.3 Compensator<br />

pic.6: compensator slide λ and λ/4<br />

Compensator (λ; λ/4) filters can be used for<br />

evaluation and measurement of optical path<br />

differences and improvement or change of<br />

image contrast. The compensator have their own<br />

constant optical path difference (birefringence)<br />

and are placed in a 45° angle between the two<br />

crossed <strong>pol</strong>arizers.<br />

12

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