@article{draa_ren_scott_chang_yu_2008, 
  title={Three laser two-tone setup for measurement of photodiode intercept points}, 
  volume={16}, 
  DOI={10.1364/oe.16.012108}, 
  number={16}, 
  publisher={The Optical Society}, 
  author={Draa and Ren and Scott and Chang and Yu}, 
  year={2008}, 
  month={Jul}
  }