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Graphics card-based real-time processing for dual comb interferometry.

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Real-time processing for dual optical frequency comb interferometry is now accessible. A new, free software enables faster correction and averaging, boosting this high-resolution technique.

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Area of Science:

  • Optics and Photonics
  • Metrology
  • Signal Processing

Background:

  • Dual optical frequency comb interferometry offers high resolution and sensitivity.
  • Current limitations include the lack of accessible real-time interferogram acquisition, correction, and averaging.
  • This hinders the broader adoption of this advanced technique in research and commercial applications.

Purpose of the Study:

  • To introduce and describe a freely available software for real-time processing of dual optical frequency comb interferograms.
  • To overcome the accessibility limitations of real-time data processing in interferometry.
  • To facilitate wider deployment of high-resolution, high-sensitivity interferometric techniques.

Main Methods:

  • Development of a freely available correction software.
  • Implementation of real-time processing capabilities.
  • Leveraging graphics processing units (GPUs) for accelerated computation.

Main Results:

  • The developed software performs real-time correction and averaging of interferograms.
  • Processing is accelerated using graphics processing units.
  • The software is made freely available to the research community.

Conclusions:

  • The new software enhances the accessibility of real-time processing for dual optical frequency comb interferometry.
  • This advancement is expected to promote wider adoption and application of the technique.
  • Freely available tools are crucial for democratizing advanced scientific methods.