Journal
OPTICS LETTERS
Volume 40, Issue 14, Pages 3432-3435Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.40.003432
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- Federal state of Thuringia
- ESF [FGR 0013]
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We present an approach how to combine large-mode field diameters with effective single-mode guidance in a hollow-core antiresonant optical fiber. We demonstrate experimentally and in simulations that single-mode guidance is achieved in a simplified hollow-core fiber design with a core diameter of 30 mu m by shifting the effective indices of the first cladding modes close to those of higher order core modes. Our fiber shows low loss propagation and effective single-mode operation from the near infrared to deep ultraviolet wavelengths down to 270 nm on a loss level of approximately 3 dB/m. (C) 2015 Optical Society of America
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