Wednesday, 23 January 2019

Polarizing Microscope

Polarizing Microscope

Technical and Characterization Specifications:
  • Source: halogen lamps (30 W and 100 W)
  • M Plan Semi apochromat objective, 5X/0.15 W D 20.0mm
  • Long working distance M Plan semi apochromat objective 10X/0.25 W D 21.0
  • Long working distance M Plan semi apochromat objective 20X/0.40 W D 12.0
  • Long working distance M Plan semi apochromat objective 50X/0.80 W D 10.6
  • Quadruple, revolving nosepiece,
  • Circular rotatable stage, graduated, including stage insert plate
  • Interference green contrast filter
  • Polarising condenser, N A 0.9-0.18
  • 1/4 wavelength retardation plate 1 No
  • Polarising intermediate attachment for Conoscopic and Orthoscopic observation including orientation plate
  • Reflected light bright field illumination tube
  • With Mettler Hot stage.

1

POM textures of bentcore liquid crystal molecules obtained on cooling from the isotropic liquid: (a) B1 mesophase 116°C (b) B1 mesophase 110°C (c) B2 mesophase 108°C (d) B1 mesophase (140°C) (e) B2 mesophase (130°C) and (f) B1 mesophase (155°C)

                     Liq. Cryst., 40, 1238 (2013).