MENA3100, 22/1-07, OBK. Optical microscopy. Magnification Resolution Contrast. We want to see more details. Simple microscope. The simple microscope. Antony van Leeuwenhoek. (1632−1723). The compound microscope. ca. 1595 Hans Janssen. Robert Hook (1635−1703). Micrographia , 1664.
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We want to see more details
Antony van Leeuwenhoek
ca. 1595 Hans Janssen
for transmitted light
for reflected light
NA = nsina
R = 0,61l/NA
(Raleigh in Brandon and Kaplan)
NA = nsina
Hexagonal, trigonal, tetragonal: Optically anisotropic, two refractive indices
Lower symmetry: Optically anisotropic, three refractive indices
Remember that geologists often call their book on microscopy on thin sections for
optical crystallography, and microscopy with reflected light is ore microscopy (malmmikroskopi).
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