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Sensitive infrared detection through efficient pulsed upconversion for remote sensing applications

 
: Wolf, Sebastian; Trendle, Tobias; Kießling, Jens; Kühnemann, Frank

:

Institute of Electrical and Electronics Engineers -IEEE-:
Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference, CLEO/Europe-EQEC 2017 : 25-29 June 2017, Munich, Germany
Piscataway, NJ: IEEE, 2017
ISBN: 978-1-5090-6736-7
ISBN: 978-1-5090-6737-4
S.237
Conference on Lasers and Electro-Optics Europe (CLEO) <2017, Munich>
European Quantum Electronics Conference (EQEC) <2017, Munich>
Englisch
Konferenzbeitrag
Fraunhofer IPM ()
infrared detection; upconversion; remote sensing

Abstract
Infrared spectroscopic measurements are a key tool for species identification and substance detection. Growing importance falls to the mid-infrared 3-12 μm range, where strong, fundamental spectroscopic features are found. One issue especially in stand-off remote sensing scenarios with low-intensity backscattered signals is the limited sensitivity of available detectors for the (MIR) wavelength range. Upconversion of MIR radiation by nonlinear-optical sum frequency generation towards detection in the near near-infrared (NIR) range has been demonstrated as an approach to overcome this limitation [1].

: http://publica.fraunhofer.de/dokumente/N-481172.html