Heterodyne gas cell measurements at 2.9 THz using a quantum cascade laser as local oscillator

Heterodyne gas cell measurements at 2.9 THz using a quantum cascade laser as local oscillator

High-resolution heterodyne spectrometers operating at above 2 THz are crucial for detecting, e.g., the HD line at 2.7 THz and oxygen OI line at 4.7 THz in astronomy. The potential receiver technology is a combination of a hot electron bolometer (HEB) mixer and a THz quantum cascade laser (QCL) local...

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Bibliographic Details
Main Authors: Ren, Y., Gao, J. R., Hovenier, J. N., Higgins, R., Zhang, W., Bell, A., Klein, B., Klapwijk, T. M., Shi, S. C., Kao, Tsung-Yu, Kumar, S., Hu, Qing, Reno, J. L.
Other Authors: Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Format: Article
Language:en_US
Published: SPIE 2011
Online Access:http://hdl.handle.net/1721.1/60935
https://orcid.org/0000-0003-1982-4053

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