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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 23 — Nov. 7, 2011
  • pp: 22628–22636

Large-mode-area photonic crystal fiber with double lattice constant structure and low bending loss

Marek Napierała, Tomasz Nasilowski, Elżbieta Bereś-Pawlik, Paweł Mergo, Francis Berghmans, and Hugo Thienpont  »View Author Affiliations

Optics Express, Vol. 19, Issue 23, pp. 22628-22636 (2011)

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We report on a bendable photonic crystal fiber for short pulse high power fiber laser applications. This fiber uses a double lattice structure and enables single mode operation with a very large mode area that reaches 1454 µm2 when the fiber is kept straight and 655 µm2 in the fiber bent around a 10 cm radius. Single mode operation is enforced by the very large bending loss in excess of 50 dB/m experienced by the higher order modes, whilst bending loss for the fundamental mode is smaller than 0.01 dB/m. We outline the principles of our fiber design and we explore the guiding properties of the fiber.

© 2011 OSA

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2400) Fiber optics and optical communications : Fiber properties
(060.2430) Fiber optics and optical communications : Fibers, single-mode
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: August 24, 2011
Revised Manuscript: October 6, 2011
Manuscript Accepted: October 6, 2011
Published: October 25, 2011

Marek Napierała, Tomasz Nasilowski, Elżbieta Bereś-Pawlik, Paweł Mergo, Francis Berghmans, and Hugo Thienpont, "Large-mode-area photonic crystal fiber with double lattice constant structure and low bending loss," Opt. Express 19, 22628-22636 (2011)

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