Progress In Rapidly-Tunable External Cavity Quantum Cascade Lasers With A Frequency-Shifted Feedback

Keywords

Combustion and explosion diagnostics; Quantum cascade laser; Spectroscopy; Standoff detection; Tunable laser

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.

Publication Date

6-1-2016

Publication Title

Photonics

Volume

3

Issue

2

Document Type

Editorial Material

Personal Identifier

scopus

DOI Link

https://doi.org/10.3390/photonics3020019

Socpus ID

84999756978 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84999756978

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