Photonic Sensors

, Volume 1, Issue 3, pp 222–227 | Cite as

Broadband Fourier-domain mode-locked lasers

  • Kevin HsuEmail author
  • Panomsak Meemon
  • Kye-Sung Lee
  • Peter J. Delfyett
  • Jannick P. Rolland
Open Access


Broadband, high-speed wavelength-swept lasers can substantially enhance applications in optical coherence tomography, chemical spectroscopy, and fiber-optic sensing. We report the demonstration of Fourier-domain mode-lock lasers operating at about 90 kHz effective sweep rate over a 158 nm sweep range using a single-band design and over a 284 nm sweep range across the 1.3 μm to 1.5 μm wavelength spectrum using a unique broadband design. A novel dual-detection full-range Fourier-domain optical coherence tomography system is developed which provides 7 μm axial resolution (in air) at about 90 kHz axial scan rate for mirror-image resolved Doppler imaging in a human finger and an African frog tadpole.


Fourier-domain mode-locked laser swept laser tunable laser 


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Copyright information

© The Author(s) 2010

Open Access This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 2.0 International License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Authors and Affiliations

  • Kevin Hsu
    • 1
    Email author
  • Panomsak Meemon
    • 2
    • 3
  • Kye-Sung Lee
    • 3
  • Peter J. Delfyett
    • 2
  • Jannick P. Rolland
    • 3
    • 2
  1. 1.Micron Optics, Inc.AtlantaUSA
  2. 2.CREOL, The College of Optics and PhotonicsUniversity of Central FloridaOrlandoUSA
  3. 3.The Institute of OpticsUniversity of RochesterRochesterUSA

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