Journal
LASER & PHOTONICS REVIEWS
Volume 11, Issue 2, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/lpor.201700005
Keywords
nonlinear materials; mid-IR supercontinuum; low-loss telluride fiber; fingerprint region
Categories
Funding
- National Natural Science Foundation of China (NSFC) [61435009, 61377099, 61627815, 61307060]
- Opened Key-Subject Construction Fund of Zhejiang Province, China [xkxl1508, xkxl1318]
- Program for New Century Excellent Talents in University of Ministry of Education of China [NCET-10-0976]
- 151 Talents
- 1000 Talents Plan in Zhejiang Province, China
- K. C. Wong Magna Fund of Ningbo University, China
- Key Project of Nanhu College, Jiaxing University, China
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A mid-infrared (MIR) supercontinuum (SC) has been demonstrated in a low-loss telluride glass fiber. The doublecladding fiber, fabricated using a novel extrusion method, exhibits excellent transmission at 8-14 mu m: < 10 dB/m in the range of 8-13.5 mu m and 6 dB/m at 11 mu m. Launched intense ultrashort pulsed with a central wavelength of 7 mu m, the step-index fiber generates a MIR SC spanning from similar to 2.0 mu m to 16 mu m, for a 40-dB spectral flatness. This is a fresh experimental demonstration to reveal that telluride glass fiber can emit across the all MIR molecular fingerprint region, which is of key importance for applications such as diagnostics, gas sensing, and greenhouse CO2 detection.
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