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Proceedings Paper

Highly nonlinear photonic crystal fiber with high refractive index core for dental OCT applications
Author(s): Taito Koga; Yoshinori Namihira; Tatsuya Kinjo; Shubi F. Kaijage; S. M. Abdur Razzak; Shinya Nozaki
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Paper Abstract

Optical coherence tomography is a technology which supplies the tomographic image using the optical interference. It uses the 1.31 μm wavelength for dental applications. Resolution problems of such a technology can be improved by using supercontinuum light sources as low coherent broadband light is achievable from optical supercontinuum. Photonic crystal fibers have the ability to generate the supercontinuum light even with moderate input power levels. Only thing to consider is to ensure zero or nearly zero dispersion of such fibers at the target 1.31μm wavelength. This paper presents design of a high nonlinear photonic crystal fiber with near-zero dispersion around 1.31μm wavelength based on the finite difference method. Robustness of the design is confirmed numerically by generating wideband supercontinuum.

Paper Details

Date Published: 24 February 2010
PDF: 10 pages
Proc. SPIE 7609, Photonic and Phononic Crystal Materials and Devices X, 760910 (24 February 2010); doi: 10.1117/12.841633
Show Author Affiliations
Taito Koga, Univ. of the Ryukyus (Japan)
Yoshinori Namihira, Univ. of the Ryukyus (Japan)
Tatsuya Kinjo, Univ. of the Ryukyus (Japan)
Shubi F. Kaijage, Univ. of the Ryukyus (Japan)
S. M. Abdur Razzak, Univ. of the Ryukyus (Japan)
Shinya Nozaki, Univ. of the Ryukyus (Japan)


Published in SPIE Proceedings Vol. 7609:
Photonic and Phononic Crystal Materials and Devices X
Ali Adibi; Shawn-Yu Lin; Axel Scherer, Editor(s)

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