Science news articles about 'quantum cascade laser'

... . Besides demonstrating a significant energy savings over currently available sources, this technology (the quantum cascade laser) will also be more compact than any other laser technology for this ...

... of an aperture and a periodic pattern of sub-wavelength grooves, directly on the facet of a quantum cascade laser emitting at a wavelength of ten microns, in the invisible part of the spectrum known ...

... in Applied Physics Letters in June 2007, Franz, Gmachl and others had reported that a quantum cascade laser they had built unexpectedly emitted a second laser beam of slightly smaller wavelength than ...

... for U.S. patents covering the novel device. Using lasers in the Terahertz spectral range, which covers wavelengths ... a room temperature mid-infrared Quantum Cascade Laser (QCL) that emits light at two ...

... -space optical communication is line-of-sight laser communication through the air. To date, the primary ... systems throughput in the air. The quantum cascade laser (QCL) provides key optical emission ...

... intermediate sensitivity are optical systems that pass a laser beam through a gas sample and detect ... he said. The new system, in contrast, uses a quantum cascade laser, a state-of-the-art device ideally ...