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Polarized Optical Microscopy

Mesogens present optical anisotropy, so they display a great variety of textures depending on the mesophase as well as on the sample alignment
When we place the sample in a glass cell and introduce it in a heater plate, we are able to characterize the phase sequence of the material, just by watching the textures with a polarized optical microscope (working by transmission). We can change the temperature from -80 to 600 ºC.

Nematic Phase

Smectic Phase


In our Section, we have an Olympus microscope, a Linkam LTS-350 heater plate and a Linkam TMS-94 temperature controller.