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Korneev, A., Minaeva, O., Rubtsova, I., Milostnaya, I., Chulkova, G., Voronov, B., et al. (2005). Superconducting single-photon ultrathin NbN film detector. Quantum Electronics, 35(8), 698–700.
Abstract: Superconducting single-photon ultrathin NbN film detectors are studied. The development of manufacturing technology of detectors and the reduction of their operating temperature down to 2 K resulted in a considerable increase in their quantum efficiency, which reached in the visible region (at 0.56 μm) 30%—40%, i.e., achieved the limit determined by the absorption coefficient of the film. The quantum efficiency exponentially decreases with increasing wavelength, being equal to ~20% at 1.55 μm and ~0.02% at 5 μm. For the dark count rate of ~10-4s-1, the experimental equivalent noise power was 1.5×10-20 W Hz-1/2; it can be decreased in the future down to the record low value of 5×10-21 W Hz-1/2. The time resolution of the detector is 30 ps.
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Datesman, A. M., Schultz, J. C., Lichtenberger, A. W., Golish, D., Walker, C. K., & Kooi, J. (2005). Fabrication and characterization of niobium diffusion-cooled hot-electron bolometers on silicon nitride membranes. IEEE Trans. Appl. Supercond., 15(2), 928–931.
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Goizel, A., & Smith, D. (2005). Thermometry down to 300 mK for space instrumentation.
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Delsim-Yashemi, H., Fröhlich, L., & Grimm, O. (2005). Detector response and beam line transmission measurements with far-infrared radiation. In Proc. 27th International free electron laser conference (pp. 106–109). Stanford, California.
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Palermo, C., Varani, L., Vaissière, J. - C., Millithaler, J. - F., Starikov, E., Shiktorov, P., et al. (2005). Monte Carlo calculation of diffusion coefficient, noise spectral density and noise temperature in HgCdTe. In Proc. AIP Conf. (Vol. 780, pp. 151–154).
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