Dr. Olaf Medenbach, Diplom-Mineraloge
Tel.: ++49 (0)234 3225519
Fax.: ++49 (0)234 3214433
E-Mail: olaf.medenbach@rub.de
Tel.: ++49 (0)234 3225519
Fax.: ++49 (0)234 3214433
E-Mail: olaf.medenbach@rub.de
Special interests:
- optical crystallography
- petrographic microscopy
- spindle stage – universal stage
- instrument design
- antique mineralogical instruments
Optical crystallography
- General remarks
- How to play with polarized light
- The indicatrix and symmetry
- Interference figures, part I: uniaxial crystals
- Interference figures, part II: biaxial crystals
- Interference figures, part III: dispersion and symmetry
- Interference figures, part IV: special features, anomalous and disturbed figures
- Measurement of 2E and 2V
- Measurement of refractive indizes
Micro-refractometer spindle stage
This highly sophisticated device with an internal refractometer allows precise oriented measurements of optical constants of minute crystals.
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Microdrill
This microdrill was designed for the extraction of small samples from thin and polished crystals under the microscope.
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