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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 21 — Nov. 1, 2013
  • pp: 4514–4517

Asymmetric double-clad fiber couplers for endoscopy

Wendy-Julie Madore, Etienne De Montigny, Olivier Ouellette, Simon Lemire-Renaud, Mikael Leduc, Xavier Daxhelet, Nicolas Godbout, and Caroline Boudoux  »View Author Affiliations


Optics Letters, Vol. 38, Issue 21, pp. 4514-4517 (2013)
http://dx.doi.org/10.1364/OL.38.004514


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Abstract

We present an asymmetric double-clad fiber coupler (A-DCFC) exploiting a disparity in fiber etendues to exceed the equipartition limit (50% extraction of inner cladding multi-mode light). The A-DCFC is fabricated using two commercially available fibers and a custom fusion-tapering setup to achieve >70% extraction of multi-mode inner cladding light without affecting (>95% transmission) single-mode light propagation in the core. Imaging with the A-DCFC is demonstrated in a spectrally encoded imaging setup using a weakly backscattering biological sample. Other applications include the combination of optical coherence tomography with weak fluorescent or Raman scattering signals.

© 2013 Optical Society of America

OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(170.2150) Medical optics and biotechnology : Endoscopic imaging
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.3890) Medical optics and biotechnology : Medical optics instrumentation
(170.4500) Medical optics and biotechnology : Optical coherence tomography

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: August 16, 2013
Manuscript Accepted: September 13, 2013
Published: October 31, 2013

Virtual Issues
Vol. 9, Iss. 1 Virtual Journal for Biomedical Optics

Citation
Wendy-Julie Madore, Etienne De Montigny, Olivier Ouellette, Simon Lemire-Renaud, Mikael Leduc, Xavier Daxhelet, Nicolas Godbout, and Caroline Boudoux, "Asymmetric double-clad fiber couplers for endoscopy," Opt. Lett. 38, 4514-4517 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-21-4514


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