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Quantum Cascade Lasers

EuroPhotonics
Oct 2010
Hamamatsu Photonics UK Ltd.Request Info
 
Hamamatsu Photonics UK Ltd. has introduced a range of quantum cascade distributed feedback lasers. The L10195 series is available in continuous-wave and pulsed models, with standard emission wavelengths from 4565 to 9670 nm. CW output powers range from 15 to 80 mW, while the pulsed output powers range from 100 to 300 mW. Pulsed mode operation is at room temperature, and CW operation is at 77 K. Because the L10195 instruments have a very narrow spectral linewidth and wide tunability by changing the chip temperature, they are good candidates for the next generation of infrared laser spectroscopy systems. This technique has widespread applications for environmental monitoring, medical diagnostics, process control and security applications.


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GLOSSARY
process control
The collection and analysis of data relevant to monitoring the rate and quality of industrial production, either continuously or in batches. Corrections can be made manually or automatically, via a feedback control loop.
quantum cascade laser
A Quantum Cascade Laser (QCL) is a type of semiconductor laser that emits light in the mid- to far-infrared portion of the electromagnetic spectrum. Quantum cascade lasers offer many benefits: They are tunable across the mid-infrared spectrum from 5.5 to 11.0 µm (900 cm-1 to 1800 cm-1); provide a rapid response time; and provide spectral brightness that is significantly brighter than even a synchrotron source. Quantum cascade lasers comprise alternating layers of semiconductor...
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