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Open Access Publications from the University of California

Developing compact multiphoton systems using femtosecond fiber lasers

  • Author(s): Tang, S
  • Liu, J
  • Krasieva, TB
  • Chen, Z
  • Tromberg, BJ
  • et al.

Published Web Location Commons Attribution 4.0 International Public License

We implement a fiber-delivered compact femtosecond fiber laser at 1030-nm wavelength in multiphoton imaging. The laser pulse duration is 150fs, the average power is 200mW, and the repetition rate is 40MHz. The laser measures 200×160×45mm in size and its output is delivered through a photonic bandgap fiber. Intrinsic second-harmonic generation signal is excited from rat tail tendon and human skin samples. Two-photon excited fluorescence signal is obtained from human skin tissues stained with exogenous fluorophore. Our results show that femtosecond fiber lasers at 1030-nm wavelength have significant potential in developing compact, all-fiber-based, portable multiphoton systems and endoscopes. © 2009 Society of Photo-Optical Instrumentation Engineers.

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