Impact of relative intensity noise of vertical-cavity surface-emitting lasers on optics-based micromachined audio and seismic sensors.

@article{Littrell2007ImpactOR,
  title={Impact of relative intensity noise of vertical-cavity surface-emitting lasers on optics-based micromachined audio and seismic sensors.},
  author={Robert Littrell and N. A. Hall and Murat Okandan and Roy Olsson and Darwin K. Serkland},
  journal={Applied optics},
  year={2007},
  volume={46 28},
  pages={6907-11}
}
The relative intensity noise of vertical-cavity surface-emitting lasers (VCSELs) in the 100 mHz to 50 kHz frequency range is experimentally investigated using two representative single-mode VCSELs. Measurements in this frequency range are relevant to recently developed optical-based micromachined acoustic and accelerometer sensing structures that utilize VCSELs as the light source to form nearly monolithic 1 mm3 packages. Although this frequency regime is far lower than the gigahertz range… CONTINUE READING

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