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Bespalov, A. V., Gol'tsman, G. N., Semenov, A. D., & Renk, K. F. (1991). Determination of the far-infrared emission characteristic of a cyclotron p-germanium laser by use of a superconducting Nb detector. Solid State Communications, 80(7), 503–506.
Abstract: We studied the far-infrared emission characteristics of a cyclotron p-germanium laser using a broad-band superconducting Nb film detector. For magnetic fields between ∼25 kOe and ∼50 kOe, emission in a frequency range from ∼50 cm-1 to ∼100 cm-1 with maximum intensity around 90 cm-1 was obtained. We determined, for fixed magnetic fields, electric field dependences of the emission intensity taking into account that the total electric field is a sum of the applied and the Hall electric field. An analysis of the emission intensity characteristic gives evidence that transitions between the two lowest Landau levels of light holes are responsible for the laser action.
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Betz, A. L., Boreiko, R. T., Sivananthan, S., & Ashokan, R. (2001). HgCdTe photoconductive mixers for 2-8 THz. In C. Iit.u.t.e of T. Jet Propulsion Laboratory (Ed.), Proc. 12th Int. Symp. Space Terahertz Technol. (pp. 92–101). San Diego, CA, USA.
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Betz, A. L., & Borejko, R. T. (1996). A practical Schottky mixer for 5 THz. In Proc. 7th Int. Symp. Space Terahertz Technol. (503).
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Betz, A. L., Johnson, M. A., McLaren, R. A., & Sutton, E. C. (1976). Heterodyne detection of CO2 emission lines and wind velocities in the atmosphere of Venus. Astrophys. J., 208, L141–L144.
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Betzler, K., & Physik, F. (2002). Fabry-Perot Interferometer.
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