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Proceedings Paper

Broadband upconversion imaging around 4 µm using an all-fiber supercontinuum source
Author(s): Laurent Huot; Peter M. Moselund; Lasse Leick; Peter Tidemand-Lichtenberg; Christian Pedersen
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Paper Abstract

We present a novel mid-infrared imaging system born from the combination of an all-fiber mid-IR supercontinuum source developed at NKT with ultra-sensitive upconversion detection technology from DTU Fotonik. The source delivers 100 mW of average power and its spectrum extends up to 4.5 μm. The infrared signal is passed through a sample and then focused into a bulk AgGaS2 crystal and subsequently mixed with a synchronous mixing signal at 1550 nm extracted from the pump laser of the supercontinuum. Through sum frequency generation, an upconverted signal ranging from 1030 nm to 1155 nm is generated and acquired using an InGaAs camera.

Paper Details

Date Published: 20 February 2017
PDF: 7 pages
Proc. SPIE 10088, Nonlinear Frequency Generation and Conversion: Materials and Devices XVI, 100880J (20 February 2017); doi: 10.1117/12.2251805
Show Author Affiliations
Laurent Huot, NKT Photonics A/S (Denmark)
Technical Univ. of Denmark (Denmark)
Peter M. Moselund, NKT Photonics A/S (Denmark)
Lasse Leick, NKT Photonics A/S (Denmark)
Peter Tidemand-Lichtenberg, Technical Univ. of Denmark (Denmark)
Christian Pedersen, Technical Univ. of Denmark (Denmark)


Published in SPIE Proceedings Vol. 10088:
Nonlinear Frequency Generation and Conversion: Materials and Devices XVI
Konstantin L. Vodopyanov; Kenneth L. Schepler, Editor(s)

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