Bookcover of Quantum Cascade Lasers and Optical Metamaterials
Booktitle:

Quantum Cascade Lasers and Optical Metamaterials

Mid-Infrared Semiconductor Nanostructures and Their Applications

LAP LAMBERT Academic Publishing (2013-01-04 )

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ISBN-13:

978-3-659-30618-1

ISBN-10:
3659306185
EAN:
9783659306181
Book language:
English
Blurb/Shorttext:
Quantum cascade (QC) lasers have application in areas such as medical diagnostics and homeland security. Optical metamaterials have novel interactions with light and potential application for sub-wavelength imaging and optical cloaking. This work first explores new approaches to designing QC lasers. High performance QC lasers are described with a voltage defect of only 19 meV, resulting in record voltage efficiency. Lasers with ultra-strong coupling attain 50% wall-plug efficiency. The thermoelectric effect is measured for the first time within QC lasers, informing further performance enhancements. This work then describes two efforts to improve mid-IR metamaterials. Negative refraction bandwidth and dispersion properties are improved through the use of multiple-metamaterial stacks. QC gain regions are added to these metamaterials to reduce their absorption loss. Finally, QC lasers are developed for trace gas sensing of CO2 isotopes, and a techno-economic model is used to value improved CO2 isotope-based sequestration leakage monitoring. QC laser applications in non-invasive tissue measurements, inter-planetary sensors, C60 spectroscopy, and IR countermeasures are also examined.
Publishing house:
LAP LAMBERT Academic Publishing
Website:
https://www.lap-publishing.com/
By (author) :
Matthew Escarra
Number of pages:
236
Published on:
2013-01-04
Stock:
Available
Category:
Electricity, magnetism, optics
Price:
79.00 €
Keywords:
metamaterials, Mid-infrared, Semiconductor lasers, Thermoelectric effect, Quantum Cascade Lasers, trace gas sensing, infrared countermeasures, CO2 isotope sensing, optoelectronic device efficiency, carbon sequestration leakage

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