Optimal design of optical reference signals by use of a genetic algorithm.

@article{SezLandete2005OptimalDO,
  title={Optimal design of optical reference signals by use of a genetic algorithm.},
  author={Jos{\'e} S{\'a}ez-Landete and Sancho Salcedo-Sanz and Manuel Rosa-Zurera and Jose Alonso and Eusebio Bernabeu},
  journal={Optics letters},
  year={2005},
  volume={30 20},
  pages={2724-6}
}
A new technique for the generation of optical reference signals with optimal properties is presented. In grating measurement systems a reference signal is needed to achieve an absolute measurement of the position. The optical signal is the autocorrelation of two codes with binary transmittance. For a long time, the design of this type of code has required great computational effort, which limits the size of the code to approximately 30 elements. Recently, the application of the dividing… CONTINUE READING

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