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Proceedings Paper

Mid-IR supercontinuum generation beyond 7 μm using a silica-fluoride-chalcogenide fiber cascade
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Paper Abstract

We report on an experimental demonstration of mid-infrared cascaded supercontinuum generation in commercial silica, fluoride, and chalcogenide fibers as a potentially cheap and practical alternative to direct pumping schemes. A pump continuum up to 4.4 μm was generated in cascaded silica and fluoride fibers by an amplified 1.55 μm nanosecond diode laser. By pumping a commercial Ge10As22Se68 single-material photonic crystal fiber with 135.7 mW of the pump continuum from 3.5- 4.4 μm, we obtained a continuum up to 7.2 μm with a total output power after the collimating lens of 54.5 mW, and 3.7 mW above 4.5 μm.

Paper Details

Date Published: 7 March 2016
PDF: 6 pages
Proc. SPIE 9703, Optical Biopsy XIV: Toward Real-Time Spectroscopic Imaging and Diagnosis, 97030A (7 March 2016); doi: 10.1117/12.2209253
Show Author Affiliations
Christian Rosenberg Petersen, Technical Univ. of Denmark (Denmark)
Peter M. Moselund, NKT Photonics A/S (Denmark)
Christian Petersen, NKT Photonics A/S (Denmark)
Uffe Møller, NKT Photonics A/S (Denmark)
Ole Bang, Technical Univ. of Denmark (Denmark)
NKT Photonics A/S (Denmark)

Published in SPIE Proceedings Vol. 9703:
Optical Biopsy XIV: Toward Real-Time Spectroscopic Imaging and Diagnosis
Robert R. Alfano; Stavros G. Demos, Editor(s)

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