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A patch-array antenna single-mode low electrical dissipation continuous wave terahertz quantum cascade laser
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DOI：10.1063/1.4967836.png)
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Abstract
En 中文
We introduce a double metal terahertz quantum cascade laser meant for astrophysical heterodyne measurements. The laser ridge is embedded in benzocyclobutene, and the device exhibits single mode, continuous wave operation around 4.745 THz with a peak power of almost 1.8 mW at 10K and a power consumption of approximate to 1.6 W. Moreover, thanks to the integration of a top metal contact with a patch array antenna for light out-coupling the beam of the emitted light has a low-divergence single-lobe profile and an FWHM of approximate to 30 degrees. Published by AIP Publishing.
Keywords:
HETERODYNE SPECTROSCOPY
THZ
LINE
M42
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