In vivo brain imaging using a portable 2.9 g two-photon microscope based on a microelectromechanical systems scanning mirror.

@article{Piyawattanametha2009InVB,
  title={In vivo brain imaging using a portable 2.9 g two-photon microscope based on a microelectromechanical systems scanning mirror.},
  author={Wibool Piyawattanametha and Eric D. Cocker and Laurie Davenport Burns and Robert P. J. Barretto and Juergen C. Jung and Hyejun Ra and Olav Solgaard and Mark J. Schnitzer},
  journal={Optics letters},
  year={2009},
  volume={34 15},
  pages={2309-11}
}
We present a two-photon microscope that is approximately 2.9 g in mass and 2.0 x 1.9 x 1.1 cm(3) in size and based on a microelectromechanical systems (MEMS) laser-scanning mirror. The microscope has a focusing motor and a micro-optical assembly composed of four gradient refractive index lenses and a dichroic microprism. Fluorescence is captured without the detected emissions reflecting off the MEMS mirror, by use of separate optical fibers for fluorescence collection and delivery of ultrashort… CONTINUE READING
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