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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 21 — Nov. 1, 2010
  • pp: 3631–3633

Quasi-supercontinuum generation using 1.06 μm ultrashort-pulse laser system for ultrahigh-resolution optical-coherence tomography

Kazuhiko Sumimura, Yumi Genda, Takefumi Ohta, Kazuyoshi Itoh, and Norihiko Nishizawa  »View Author Affiliations

Optics Letters, Vol. 35, Issue 21, pp. 3631-3633 (2010)

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We demonstrate quasi-supercontinuum (quasi-SC) generation around the 1.3 μm wavelength region using ultrahigh-speed, wavelength-tunable, femtosecond soliton pulses based on an ultrashort-pulse laser system operating at a wavelength of 1.0 μm . The wavelength tuning range was from 1.0 to 1.9 μm , and the scanning speed was up to 1.3 MHz . A Gaussian-like quasi-SC with a bandwidth of 220 nm was generated at 1220 nm . The generated quasi-SC was used in an optical-coherence tomography system. High axial resolutions of 5.1 μm in air and 3.7 μm in tissue were obtained. A maximum sensitivity of 100 dB was achieved, and ultrahigh-resolution images of a hamster cheek pouch were observed.

© 2010 Optical Society of America

OCIS Codes
(140.3600) Lasers and laser optics : Lasers, tunable
(320.7090) Ultrafast optics : Ultrafast lasers
(320.6629) Ultrafast optics : Supercontinuum generation

ToC Category:
Ultrafast Optics

Original Manuscript: August 2, 2010
Revised Manuscript: October 4, 2010
Manuscript Accepted: October 4, 2010
Published: October 25, 2010

Virtual Issues
Vol. 6, Iss. 1 Virtual Journal for Biomedical Optics

Kazuhiko Sumimura, Yumi Genda, Takefumi Ohta, Kazuyoshi Itoh, and Norihiko Nishizawa, "Quasi-supercontinuum generation using 1.06μmultrashort-pulse laser system for ultrahigh-resolution optical-coherence tomography," Opt. Lett. 35, 3631-3633 (2010)

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