Laboratory of Liquid Crystals: DSC, Microscopy, Electro-optics

Type Research laboratory
Site Main structure: code TOCEN03XSB009
Phone +39 011 0907309
Dimension 44 mq
Equipment
  • Set-up: Intensity of a polarized laser light beam transmitted by a liquid crystal (LC) cell under an applied step or stair electric field, with polarized optical microscopy (POM) for integral cell contrast measurement.
  • Set-up: Differential Scanning Calorimetry (DSC)
  • Set-up: Ortho- and conoscopy of LC-textures in the presence of applied electric fields at various temperatures
  • Set-up: Dielectric susceptivity of Smectic LC cells via triangular electric wave application

Set-up 1

  • Spectra He-Ne 1 mW Laser,
  • Newport polarizers,
  • Kodak filter
  • cell NRC rotating xy support,
  • Newport mirrors,
  • ThorLabs photodiode,
  • TTZ function generator,
  • FLC voltage amplifier,
  • 3 Agilent oscilloscopes,
  • 1 LG computer, 1 Toshiba portable computer
  • Leitz binocular POM,
  • light contrast integrator Gamma Sci. photometer
  • Wavetek function generator
  • Keithley voltmeter

Set-up 2

  • Perkin-Elmer DSC 7
  • Neslab thermostatic bath,
  • nitrogen containers,
  • Gibertini precision analitic electronic balance,
  • 2 Perkin-Elmer press for crucibles

Set-up 3

  • POM Leitz with JVC color camera,
  • Mettler thermostage,
  • Hewlett-Packard function generator,
  • Ithaco lock-in amplifier,
  • RevenGe computer,
  • Archive image software

Set-up 4

  • Cell holder
  • Hewlett-Packard multimeter,
  • Agilent precision digitals voltmeter,
  • Agilent function generator
  • Ithaco lock-in amplifier,
  • GenRadio reference resistor and capacitor,
  • CS computer
Staff