Three-dimensional second-harmonic generation imaging with femtosecond laser pulses.

  title={Three-dimensional second-harmonic generation imaging with femtosecond laser pulses.},
  author={Romain Gauderon and Philip B Lukins and C. J. R. Sheppard},
  journal={Optics letters},
  volume={23 15},
A three-dimensional reflectance scanning optical microscope based on the nonlinear optical phenomenon of second-harmonic generation is presented. A mode-locked Ti:sapphire laser producing <90-fs pulses at approximately 790 nm was used, and the images were constructed by scanning of an object, which possessed local second-order nonlinearity, relative to a focused spot from the laser. The second-harmonic light at approximately 395 nm generated by the specimen was separated from the fundamental… CONTINUE READING

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