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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 7 — Apr. 1, 2014
  • pp: 2016–2019

Diffractive catheter for ultrahigh-resolution spectral-domain volumetric OCT imaging

Jiefeng Xi, Anqi Zhang, Zhenyu Liu, Wenxuan Liang, Lih Y. Lin, Shaoyong Yu, and Xingde Li  »View Author Affiliations

Optics Letters, Vol. 39, Issue 7, pp. 2016-2019 (2014)

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We present a novel design for an endoscopic imaging catheter utilizing diffractive optics for ultrahigh-resolution optical coherence tomography (OCT) imaging at 800 nm. A diffractive microlens was developed to alleviate severe chromatic aberration when a broadband light source was employed at the 800 nm wavelength range. Combined with a home-built fiber rotary joint and a broadband Ti:sapphire laser, the imaging catheter achieved a lateral resolution of 6.2 μm and an axial resolution of 3.0 μm in air. The performance of the catheter was demonstrated by three-dimensional full-circumferential endoscopic OCT imaging of guinea pig esophagus in vivo.

© 2014 Optical Society of America

OCIS Codes
(090.1970) Holography : Diffractive optics
(110.4500) Imaging systems : Optical coherence tomography
(170.2150) Medical optics and biotechnology : Endoscopic imaging
(170.3880) Medical optics and biotechnology : Medical and biological imaging

ToC Category:
Medical Optics and Biotechnology

Original Manuscript: January 15, 2014
Manuscript Accepted: February 14, 2014
Published: March 26, 2014

Virtual Issues
Vol. 9, Iss. 6 Virtual Journal for Biomedical Optics

Jiefeng Xi, Anqi Zhang, Zhenyu Liu, Wenxuan Liang, Lih Y. Lin, Shaoyong Yu, and Xingde Li, "Diffractive catheter for ultrahigh-resolution spectral-domain volumetric OCT imaging," Opt. Lett. 39, 2016-2019 (2014)

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