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Photonics 2016, 3(2), 19; doi:10.3390/photonics3020019

Progress in Rapidly-Tunable External Cavity Quantum Cascade Lasers with a Frequency-Shifted Feedback

1
Pranalytica, Inc., 1101 Colorado Ave., Santa Monica, CA 90401, USA
2
NanoScience Technology Center, University of Central Florida, 12424 Research Pkwy, Orlando, FL 32826, USA
3
College of Optics and Photonics, University of Central Florida, Scorpius St 304, Orlando, FL 32826, USA
*
Authors to whom correspondence should be addressed.
Received: 21 March 2016 / Revised: 11 April 2016 / Accepted: 13 April 2016 / Published: 18 April 2016
(This article belongs to the Special Issue Quantum Cascade Lasers - Advances and New Applications)
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Abstract

The recent demonstration of external cavity quantum cascade lasers with optical feedback, controlled by an acousto-optic modulator, paves the way to ruggedized infrared laser systems with the capability of tuning the emission wavelength on a microsecond scale. Such systems are of great importance for various critical applications requiring ultra-rapid wavelength tuning, including combustion and explosion diagnostics and standoff detection. In this paper, recent research results on these devices are summarized and the advantages of the new configuration are analyzed in the context of practical applications. View Full-Text
Keywords: quantum cascade laser; tunable laser; spectroscopy; combustion and explosion diagnostics; standoff detection quantum cascade laser; tunable laser; spectroscopy; combustion and explosion diagnostics; standoff detection
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Lyakh, A.; Barron-Jimenez, R.; Dunayevskiy, I.; Go, R.; Tsvid, E.; Patel, C.K.N. Progress in Rapidly-Tunable External Cavity Quantum Cascade Lasers with a Frequency-Shifted Feedback. Photonics 2016, 3, 19.

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