EDUCATION | Polarization microscopes

EDUCATION | Polarization microscopes

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A polarisation microscope is used to identify rocks and minerals in thin sections. It's an standard optical microscope that is equipped with a circular 360° rotating stage, strain free objectives, a polariser to generate polarised light and a second polariser - called the "analyzer" to the light path between objective and eyepiece

Most crystalline materials and minerals change the polarizing light directions, allowing some of the altered light to pass through the analyzer to the eyepiecses. Using one polarizer makes it possible to view the slide in so-called "plane polarized" light. Using the two polarisers, allows analysis in so-called "cross polarized" light mode