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Meledin, D., Pantaleev, M., Pavolotsky, A., Risacher, C., Belitsky, V., Drakinskiy, V., et al. (2005). Balanced waveguide HEB mixer for APEX 1.3 THz receiver. In Proc. 16th Int. Symp. Space Terahertz Technol.. Göteborg, Sweden.
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Hübers, H. W., Pavlov, S. G., Semenov, A. D., Tredicucci, A., Köhler, R., Mahler, L., et al. (2005). Investigation of a 2.5 THz quantum cascade laser as local oscillator. In Proc. 16th Int. Symp. Space Terahertz Technol. (18). Göteborg, Sweden.
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Mair, U., Suttywong, N., Hübers, H. - W., Semenov, A. D., Richter, H., Wagner, G., et al. (2005). Development of 1.8 THz receiver for the TELIS instrument. In Proc. 16th Int. Symp. Space Terahertz Technol.. Göteborg, Sweden.
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Wild, W., de Graauw, T., Baryshev, A., Bos, A., Gao, J. R., Gunst, A., et al. (2005). Terahertz technology for ESPRIT – a far-infrared space interferometer. In Proc. 16th Int. Symp. Space Terahertz Technol.. Göteborg, Sweden.
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Finkel, M. I., Maslennikov, S. N., Vachtomin, Y. B., Svechnikov, S. I., Smirnov, K. V., Seleznev, V. A., et al. (2005). Hot electron bolometer mixer for 20 – 40 THz frequency range. In Proc. 16th Int. Symp. Space Terahertz Technol. (pp. 393–397). Göteborg, Sweden.
Abstract: The developed HEB mixer was based on a 5 nm thick NbN film deposited on a GaAs substrate. The active area of the film was patterned as a 30×20 μm 2 strip and coupled with a 50 Ohm coplanar line deposited in situ. An extended hemispherical germanium lens was used to focus the LO radiation on the mixer. The responsivity of the mixer was measured in a direct detection mode in the 25÷64 THz frequency range. The noise performance of the mixer and the directivity of the receiver were investigated in a heterodyne mode. A 10.6 μm wavelength CW CO 2 laser was utilized as a local oscillator.
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