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SPIE Journal Details Advances in QCLs

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BELLINGHAM, Wash., Dec. 20, 2010 — The accelerated pace of development of quantum cascade laser (QCL) technology and its many applications — such as detecting explosive chemicals on clothing, monitoring greenhouse gases and measuring blood sugar levels via breath analysis — is the subject of a highly anticipated special section just published in the SPIE journal Optical Engineering. US Naval Research Laboratory scientists Jerry Meyer and Igor Vurgaftman are section editors. Federico Capasso, professor and senior research fellow at Harvard University and leader of the group who first demonstrated QCL...Read full article

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    Published: December 2010
    Glossary
    quantum cascade laser
    A quantum cascade laser (QCL) is a type of semiconductor laser that operates based on the principles of quantum mechanics. It is a versatile and powerful device used for emitting coherent light in the mid-infrared to terahertz range of the electromagnetic spectrum. Quantum cascade lasers were first proposed by Federico Capasso, Jerome Faist, Deborah Sivco, Carlo Sirtori, Albert Hutchinson, and Alfred Cho in 1994. Key features and principles of quantum cascade lasers: Quantum cascade...
    AmericasBell Labsblood sugar levelsBusinesschemicalsdefenseDetecting explosive chemicalsFederico CapassoFraunhofer Institute for Applied Solid State PhysicsHarvardHigh-performance midinfrared quantum cascade lasersIgor VurgaftmanJerry meyerJoachim WagnerKumar PatelManijeh Razeghimonitoring greenhouse gasesNorthwestern Universityoptical engineeringOpticsPranalytica and University of California Los AngelesQCLsquantum cascade lasersemiconductor lasersSPIEUS Naval Research LaboratoryWashingtonLasers

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