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METROLOGY
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Accurion EP3 Imaging Ellipsometer

CAC Name: EP3-nanofilm

Imaging Ellipsometer for Optical Characterization of Thin Films

Accurion Ellipsometer
Manager: Xinwei Wu
Backup: Jeremy Clark , Beth Rhoades

Description:

The ellipsometer uses a nondestructive (noncontact) optical method to determine film thickness and optical properties. It measures thin films and almost any material deposited on a substrate. This might include thin metal films, oxides, organic coatings, or biological molecule layers such as DNA. While ellipsometry was originally a technique for macroanalysis, this device combines original technology with polarization contrast microscopy to give it the capacity to perform microanalysis.

Capabilities:

  • Resolution: 1-2 micron in x/y, ~1 Angstrom in z
  • Ellipsometric precision: Delta/Psi precision 0.002 deg Absolute accuracy 0.1 deg
  • Thermal stage with ramping capability (0.5-60 C/min) and a range of ~20-110 C
  • Two light source options: Internal solid state 532nm laser, or Xenon Arc lamp with filter wheel.
  • Forty eight wavelengths between 380 – 900 nm available.

Processes Available:

  • Liquid cell enables measurement of hydrated samples.
  • Surface plasmon resonance fluid cell for imaging surface plasmon resonance and fluid measurements in an inverted setup.
  • Kinetics add-on software allows measurements in real time.


Additional Resources:

Equipment Information Sheet
Tool Manual
Technical Specs
Thin Film analysis software instructions


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