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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 10 — Apr. 1, 2010
  • pp: 1986–1990

Ultrawideband photonic crystal fiber coupler for multiband optical imaging system

Seon Young Ryu, Hae Young Choi, Eun Seo Choi, Ivan Tomov, Zhongping Chen, and Byeong Ha Lee  »View Author Affiliations


Applied Optics, Vol. 49, Issue 10, pp. 1986-1990 (2010)
http://dx.doi.org/10.1364/AO.49.001986


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Abstract

We report a photonic crystal fiber (PCF) coupler having an ultrawide spectral bandwidth keeping single mode operation. The use of the PCF coupler in a fiber-based optical coherence tomography (OCT) system enables us to handle the wide spectral bands of various light sources, including superluminescent diodes (SLDs) at 1300 nm and 820 nm , Ti:sapphire lasers, and white-light sources. The multiband imaging performances of the PCF-based OCT system are demonstrated by obtaining dental images at 1300 nm and 820 nm with the same setup. In addition, we show that the PCF coupler could cover the spectrum over a one octave span and guide both the fundamental wave ( 1030 nm ) and the second harmonic wave ( 515 nm ) simultaneously.

© 2010 Optical Society of America

OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.2350) Fiber optics and optical communications : Fiber optics imaging
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: October 20, 2009
Revised Manuscript: March 5, 2010
Manuscript Accepted: March 11, 2010
Published: March 30, 2010

Virtual Issues
Vol. 5, Iss. 8 Virtual Journal for Biomedical Optics

Citation
Seon Young Ryu, Hae Young Choi, Eun Seo Choi, Ivan Tomov, Zhongping Chen, and Byeong Ha Lee, "Ultrawideband photonic crystal fiber coupler for multiband optical imaging system," Appl. Opt. 49, 1986-1990 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-10-1986


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References

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