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> goniometer
> laserarm
> laser light source
> lens holder
> polarizer
> detectorarm
> objective
> contact angle module
> dimensions


The implemented techniques require that any arbitrary state of polarization can be generated. The laser arm contains the necessary components to do this in a well defined manner. The laser arm is made of a single bracket made of solid aluminum alloy with a low thermal expansion coefficient. This guarantees a long term mechanical stability of the setup.

  • Laser in its holder
  • first quarter waveplate
  • lens holder
  • polarizer mounted in rotary stage
  • shutter
  • second quarter waveplate in mechanically driven rotary stage
  • The holders are equipped with additional drillings. The spacing matches the optical system of established optical microbenches (e.g. Linus, GmbH) and hence further optical elements can be inserted.

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