Ultra‐large mode area mid‐infrared fiber based on chalcogenide glasses extrusion
Source abstract
Abstract
Abstract We have prepared an ultra‐large core, high numerical aperture (NA) chalcogenide (ChG) step‐index fiber (SIF) with a mode area of >43 600 μm 2 at the wavelength of 5.5 μm by an improved extrusion method. The fiber based on two ChG glasses with similar softening temperature has a core diameter of 339.0 μm and ultra‐thin cladding. The fiber exhibits a minimum loss of 1.75 dB/m at 9.74 μm and an optical loss of <5.0 dB/m from 5.3 to 10.8 μm. Broadband supercontinuum (SC) covering from 1.2 μm to 13.7 μm has been generated in a 17‐cm‐long ultra‐large mode area fiber with large core and high NA. All these show that, the fiber possesses the potential for high‐power infrared laser transmission.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Photonic Crystal and Fiber Optics · Optical Network Technologies · Advanced Fiber Optic Sensors
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Laboratory of Infrared Material and Devices The Research Institute of Advanced Technologies College of Information Science and Engineering Ningbo University Ningbo China
Key Laboratory of Photoelectric Materials and Devices of Zhejiang Province Ningbo China
Nanhu College Jiaxing University Jiaxing China
Funding
Natural Science Foundation of Zhejiang Province · National Natural Science Foundation of China
References (41)
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