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Conferences > CLEO_SI > 2011 > CFJ > CFJ2

In-line and compact QWIP for reference signal detection with Quantum Cascade lasers at 4.6μm

Ekua N. Bentil, Germano M. Penello, William O. Charles, and Claire F. Gmachl

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Abstract

By implementing quantum well infrared photodetectors (QWIPs) as passive optical elements, we present a novel approach to obtain a reference signal needed in gas spectroscopy systems based on reflection and transmission properties of these photodetectors.

© 2011 Optical Society of America

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