| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Bandgaps of the Chalcogenide Glass Hollow-Core Photonic Crystal Fiber |
| LI Shu-Guang**, ZHOU Hong-Song, YIN Guo-Bing
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Key Laboratory of Metastable Materials Science and Technology, College of Science, Yanshan University, Qinhuangdao 066004
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| Cite this article: |
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LI Shu-Guang, ZHOU Hong-Song, YIN Guo-Bing 2011 Chin. Phys. Lett. 28 114204 |
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Abstract Bandgaps of chalcogenide glass hollow-core photonic crystal fibers (GLS HC-PCFs) are analyzed by using the plane-wave expansion method. A mid-infrared laser can propagate in these low confinement loss fibers when the wavelength falls into the bandgaps. For enlarging the bandgap width, an improved GLS HC-PCF is put forward, the normalized frequency kΛ of the improved fiber is from 7.2 to 8.5 in its first bandgap. The improved GLS HC−PCF with pitch of 4.2 µm can transmit the lights with wavelengths ranging from 3.1 µm to 3.7 µm .
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| Keywords:
42.81.-i
43.35.Ae
34.50.Bw
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Received: 02 July 2011
Published: 30 October 2011
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| PACS: |
42.81.-i
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(Fiber optics)
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43.35.Ae
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(Ultrasonic velocity, dispersion, scattering, diffraction, and Attenuation in gases)
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34.50.Bw
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(Energy loss and stopping power)
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