Two-wave-plate compensator method for single-point retardation measurements.

@article{Montarou2004TwowaveplateCM,
  title={Two-wave-plate compensator method for single-point retardation measurements.},
  author={Carole C. Montarou and Thomas K. Gaylord},
  journal={Applied optics},
  year={2004},
  volume={43 36},
  pages={
          6580-95
        }
}
The two-wave-plate compensator (TWC) technique is introduced for single-point retardation measurements. The TWC method uses a known wave plate together with a wave plate of unknown retardation and produces a linearly polarized output that allows a null of intensity to be detected. The TWC method is compared both theoretically and experimentally with the existing Brace-Köhler and Sénarmont methods. The resolution of the TWC is shown to be 0.02 nm. TWC enables the measurement of a sample… 

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