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Author |
Ozhegov, R.; Maslennikov, S.; Morozov, D.; Okunev, O.; Smirnov, K.; Gol'tsman, G. |
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Title |
Imaging system for submillimeter wave range |
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Conference Article |
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2004 |
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Proc. Tenth All-Russian sceintific conference of student-physicists and young sceintists (VNKSF-10) |
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Moscow |
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RPLAB @ s @ thzimaging_vnksf10_2004 |
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347 |
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Maslennikov, S.; Vachtomin, Yu.; Antipov, S.; Smirnov, K.; Kaurova, N.; Grishina, E.; Voronov, B.; Gol'tsman, G. |
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Title |
NbN HEB mixers for frequencies of 2.5 and 3.8 THz |
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Conference Article |
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2004 |
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Proc. Tenth All-Russian sceintific conference of student-physicists and young sceintists (VNKSF-10) |
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Moscow |
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RPLAB @ s @ qoheb_vnksf10_2004 |
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349 |
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Vachtomin, Yu. B.; Antipov, S. V.; Kaurova, N. S.; Maslennikov, S. N.; Smirnov, K. V.; Polyakov, S. L.; Svechnikov, S. I.; Grishina, E. V.; Voronov, B. M.; Gol'tsman, G. N. |
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Title |
Noise temperature, gain bandwidth and local oscillator power of NbN phonon-cooled HEB mixer at terahertz frequenciess |
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Conference Article |
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2004 |
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Proc. 29th IRMMW / 12th THz |
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Proc. 29th IRMMW / 12th THz |
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329-330 |
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We present the performances of HEB mixers based on 3.5 nm thick NbN film integrated with log-periodic spiral antenna. The double side-band receiver noise temperature values are 1300 K and 3100 K at 2.5 THz and at 3.8 THz, respectively. The gain bandwidth of the mixer is 4.2 GHz and the noise bandwidth is 5 GHz. The local oscillator power is 1-3 /spl mu/W for mixers with different active area. |
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Karlsruhe, Germany |
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Karlsruhe, Germany |
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RPLAB @ s @ nt_ifb_lopow_qoheb_karlsruhe_2004 |
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354 |
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Kaurova, N. S.; Finkel, M. I.; Maslennikov, S. N.; Vahtomin, Yu. B.; Antipov, S. V.; Smirnov, K. V.; Voronov, B. M.; Gol'tsman, G. N.; Ilyin, K. S. |
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Title |
Submillimeter mixer based on YBa2Cu3O7-x thin film |
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Conference Article |
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2004 |
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Proc. 1-st conf. Fundamental problems of high temperature superconductivity |
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291 |
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HTS, HEB mixer |
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Moscow-Zvenigorod |
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Moscow-Zvenigorod |
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355 |
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Cherednichenko, S.; Drakinskiy, V.; Baubert, J.; Lecomte, B.; Dauplay, F.; Krieg, J. M.; Delorme, Y.; Feret, A.; Hübers, H. W.; Semenov, A. D.; Gol'tsman, G. N. |
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Title |
2.5 THz multipixel heterodyne receiver based on NbN HEB mixers |
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Conference Article |
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2006 |
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Proc. SPIE |
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Proc. SPIE |
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6275 |
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62750I (1 to 11) |
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Keywords |
HEB, mixer, membrane |
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A 16 pixel heterodyne receiver for 2.5 THz has been developed based on NbN superconducting hot-electron bolometer (HEB) mixers. The receiver uses a quasioptical RF coupling approach where HEB mixers are integrated into double dipole antennas on 1.5 µm thick Si3N4/SiO2 membranes. Spherical mirrors (one per pixel) and backshort distance from the antenna have been used to design the output mixer beam profile. The camera design allows all 16 pixel IF readout in parallel. The gain bandwidth of the HEB mixers on Si3N4/SiO2 membranes was found to be 0.7÷0.9 GHz, which is much smaller than for similar devices on silicon. Application of buffer layers and use of alternative types of membranes (e.g. silicon-on-insulator) is under investigation. |
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561 |
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