Mid-infrared flattened supercontinuum generation in all-normal dispersion tellurium chalcogenide fiber
We have prepared a well-structured tellurium chalcogenide (ChG) fiber with a specialized double cladding structure by an improved extrusion method, and experimentally demonstrated an ultra-flat mid-infrared (MIR) supercontinuum (SC) generation in such a fiber. The step-index fiber had an optical loss of <1 dB/m in a range from 7.4 to 9.7 μm with a minimum loss of 0.69 dB/m at 7.87 μm. Simulation showed that an all-normal dispersion profile can be realized in this double cladding tellurium fiber. An ultra-flat MIR SC spectrum (~3.2-12.1μm at -10 dB, ~2-14 μm at -30 dB) was generated from a 22-cm long fiber pumped with a femtosecond laser at 5 μm (~150 fs, 1 kHz). Then the degree of coherence was calculated out based on a simulation, showing that a high coherent MIR SC (from 2.9 to 13.1 μm) can be generated in this double-cladding tellurium fiber.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2019 |
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| Erschienen: |
2019 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:27 |
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| Enthalten in: |
Optics express - 27(2019), 3 vom: 04. Feb., Seite 2036-2043 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Jiao, Kai [VerfasserIn] |
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| Links: |
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| Themen: |
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| Anmerkungen: |
Date Completed 11.02.2019 Date Revised 15.02.2019 published: Print Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1364/OE.27.002036 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM29358267X |
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| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a We have prepared a well-structured tellurium chalcogenide (ChG) fiber with a specialized double cladding structure by an improved extrusion method, and experimentally demonstrated an ultra-flat mid-infrared (MIR) supercontinuum (SC) generation in such a fiber. The step-index fiber had an optical loss of <1 dB/m in a range from 7.4 to 9.7 μm with a minimum loss of 0.69 dB/m at 7.87 μm. Simulation showed that an all-normal dispersion profile can be realized in this double cladding tellurium fiber. An ultra-flat MIR SC spectrum (~3.2-12.1μm at -10 dB, ~2-14 μm at -30 dB) was generated from a 22-cm long fiber pumped with a femtosecond laser at 5 μm (~150 fs, 1 kHz). Then the degree of coherence was calculated out based on a simulation, showing that a high coherent MIR SC (from 2.9 to 13.1 μm) can be generated in this double-cladding tellurium fiber | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Yao, Jinmei |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Zheming |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Xiange |e verfasserin |4 aut | |
| 700 | 1 | |a Si, Nian |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Xunsi |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Peng |e verfasserin |4 aut | |
| 700 | 1 | |a Xue, Zugang |e verfasserin |4 aut | |
| 700 | 1 | |a Tian, Youmei |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Bin |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Peiqing |e verfasserin |4 aut | |
| 700 | 1 | |a Dai, Shixun |e verfasserin |4 aut | |
| 700 | 1 | |a Nie, Qiuhua |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Rongping |e verfasserin |4 aut | |
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