Modulation spectroscopy with diode lasers: applications in spectroscopy and nonintrusive measurements

@inproceedings{Dharamsi1997ModulationSW,
  title={Modulation spectroscopy with diode lasers: applications in spectroscopy and nonintrusive measurements},
  author={Amin N. Dharamsi and Audra Michelle Bullock},
  booktitle={Photonics West},
  year={1997}
}
Theoretical and experimental results related to wavelength modulation absorption spectroscopy using single-mode diode lasers are presented. This method uses a phase-sensitive detection technique, and the implications of detection at harmonics greater than the commonly used second-harmonic are discussed. It is shown that several advantages accrue with such higher-harmonic detection. Applications of the method in increasing sensitivity to measurements of density and temperature fluctuations; in… CONTINUE READING

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