| Records |
| Author |
Gol’tsman, G. N.; Okunev, O.; Chulkova, G.; Lipatov, A.; Semenov, A.; Smirnov, K.; Voronov, B.; Dzardanov, A.; Williams, C.; Sobolewski, R. |
| Title |
Picosecond superconducting single-photon optical detector |
Type |
Journal Article |
| Year |
2001 |
Publication |
Appl. Phys. Lett. |
Abbreviated Journal  |
Appl. Phys. Lett. |
| Volume |
79 |
Issue |
6 |
Pages |
705-707 |
| Keywords |
NbN SSPD, SNSPD |
| Abstract |
We experimentally demonstrate a supercurrent-assisted, hotspot-formation mechanism for ultrafast detection and counting of visible and infrared photons. A photon-induced hotspot leads to a temporary formation of a resistive barrier across the superconducting sensor strip and results in an easily measurable voltage pulse. Subsequent hotspot healing in ∼30 ps time frame, restores the superconductivity (zero-voltage state), and the detector is ready to register another photon. Our device consists of an ultrathin, very narrow NbN strip, maintained at 4.2 K and current-biased close to the critical current. It exhibits an experimentally measured quantum efficiency of ∼20% for 0.81 μm wavelength photons and negligible dark counts. |
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0003-6951 |
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no |
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1543 |
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| Author |
Kawamura, J.; Blundell, R.; Tong, C.-yu E.; Gol’tsman, G.; Gershenzon, E.; Voronov, B.; Cherednichenko, S. |
| Title |
Low noise NbN lattice-cooled superconducting hot-electron bolometric mixers at submillimeter wavelengths |
Type |
Journal Article |
| Year |
1997 |
Publication |
Appl. Phys. Lett. |
Abbreviated Journal |
Appl. Phys. Lett. |
| Volume |
70 |
Issue |
12 |
Pages |
1619-1621 |
| Keywords |
NbN HEB mixers |
| Abstract |
Lattice-cooled superconducting hot-electron bolometric mixers are used in a submillimeter-wave waveguide heterodyne receiver. The mixer elements are niobium nitride film with 3.5 nm thickness and ∼10 μm2 area. The local oscillator power for optimal performance is estimated to be 0.5 μW, and the instantaneous bandwidth is 2.2 GHz. At an intermediate frequency centered at 1.4 GHz with 200 MHz bandwidth, the double sideband receiver noise temperature is 410 K at 430 GHz. The receiver has been used to detect molecular line emission in a laboratory gas cell. |
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0003-6951 |
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no |
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1599 |
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Semenov, A. D.; Gousev, Y. P.; Nebosis, R. S.; Renk, K. F.; Yagoubov, P.; Voronov, B. M.; Gol’tsman, G. N.; Syomash, V. D.; Gershenzon, E. M. |
| Title |
Heterodyne detection of THz radiation with a superconducting hot‐electron bolometer mixer |
Type |
Journal Article |
| Year |
1996 |
Publication |
Appl. Phys. Lett. |
Abbreviated Journal |
Appl. Phys. Lett. |
| Volume |
69 |
Issue |
2 |
Pages |
260-262 |
| Keywords |
NbN HEB mixers |
| Abstract |
We report on the use of a superconducting hot‐electron bolometer mixer for heterodyne detection of terahertz radiation. Radiation with a wavelength of 119 μm was coupled to the mixer, a NbN microbridge, by a hybrid quasioptical antenna consisting of an extended hyperhemispherical lens and a planar logarithmic spiral antenna. We found, at an intermediate frequency of 1.5 GHz, a system double side band noise temperature of ≊40 000 K and conversion losses of 25 dB. We also discuss the possibilities of further improvement of the mixer performance. |
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0003-6951 |
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no |
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1610 |
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Shcherbatenko, M.; Elezov, M.; Manova, N.; Sedykh, K.; Korneev, A.; Korneeva, Y.; Dryazgov, M.; Simonov, N.; Feimov, A.; Goltsman, G.; Sych, D. |
| Title |
Single-pixel camera with a large-area microstrip superconducting single photon detector on a multimode fiber |
Type |
Journal Article |
| Year |
2021 |
Publication |
Appl. Phys. Lett. |
Abbreviated Journal |
Appl. Phys. Lett. |
| Volume |
118 |
Issue |
18 |
Pages |
181103 |
| Keywords |
NbN SSPD, SNSPD |
| Abstract |
High sensitivity imaging at the level of single photons is an invaluable tool in many areas, ranging from microscopy to astronomy. However, development of single-photon sensitive detectors with high spatial resolution is very non-trivial. Here we employ the single-pixel imaging approach and demonstrate a proof-of-principle single-pixel single-photon imaging setup. We overcome the problem of low light gathering efficiency by developing a large-area microstrip superconducting single photon detector coupled to a multi-mode optical fiber interface. We show that the setup operates well in the visible and near infrared spectrum, and is able to capture images at the single-photon level.
We thank Philipp Zolotov and Pavel Morozov for NbN film fabrication, ARC coating, and fiber coupling of the detector. We also thank Swabian Instruments GmbH and Dr. Helmut Fedder personally for the kindly provided experimental equipment (Time Tagger Ultra 8). The work in the part of SNSPD research and development was supported by the Russian Foundation for Basic Research Project No. 18-29-20100. The work in the part of the optical setup and imaging was supported by Russian Foundation for Basic Research Project No. 20-32-51004. |
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0003-6951 |
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no |
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Serial |
1770 |
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| Author |
Gol’tsman, G. N.; Gershenzon, E. M. |
| Title |
Phonon-cooled hot-electron bolometric mixer: overview of recent results |
Type |
Journal Article |
| Year |
1999 |
Publication |
Appl. Supercond. |
Abbreviated Journal |
Appl. Supercond. |
| Volume |
6 |
Issue |
10-12 |
Pages |
649-655 |
| Keywords |
NbN HEB mixers |
| Abstract |
The paper presents an overview of recent results for NbN phonon-cooled hot electron bolometric (HEB) mixers. The noise temperature of the receivers based on both quasioptical and waveguide versions of HEB mixer has crossed the level of 1 K·GHz−1 at 430 GHz (410 K) and 600–650 GHz (480 K) and is close to this level at 820 GHz (1100 K) and 900 GHz (980 K). The gain bandwidth measured for quasioptical HEB mixer at 620 GHz reached 4 GHz and the noise temperature bandwidth was almost 8 GHz. Local oscillator power requirements are about 1 μW for mixers made by photolithography and are about 100 nW for mixers made by e-beam lithography. The studies in terahertz receivers based on HEB superconducting mixers now present a dynamic, rapidly developing field. |
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| ISSN |
0964-1807 |
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no |
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Serial |
1564 |
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| Author |
Lindgren, M.; Currie, M.; Zeng, W.-S.; Sobolewski, R.; Cherednichenko, S.; Voronov, B.; Gol'tsman, G. N. |
| Title |
Picosecond response of a superconducting hot-electron NbN photodetector |
Type |
Journal Article |
| Year |
1998 |
Publication |
Appl. Supercond. |
Abbreviated Journal |
Appl. Supercond. |
| Volume |
6 |
Issue |
7-9 |
Pages |
423-428 |
| Keywords |
NbN SSPD, SNSPD |
| Abstract |
The ps optical response of ultrathin NbN photodetectors has been studied by electro-optic sampling. The detectors were fabricated by patterning ultrathin (3.5 nm thick) NbN films deposited on sapphire by reactive magnetron sputtering into either a 5×10 μm2 microbridge or 25 1 μm wide, 5 μm long strips connected in parallel. Both structures were placed at the center of a 4 mm long coplanar waveguide covered with Ti/Au. The photoresponse was studied at temperatures ranging from 2.15 K to 10 K, with the samples biased in the resistive (switched) state and illuminated with 100 fs wide laser pulses at 395 nm wavelength. At T=2.15 K, we obtained an approximately 100 ps wide transient, which corresponds to a NbN detector response time of 45 ps. The photoresponse can be attributed to the nonequilibrium electron heating effect, where the incident radiation increases the temperature of the electron subsystem, while the phonons act as the heat sink. The high-speed response of NbN devices makes them an excellent choice for an optoelectronic interface for superconducting digital circuits, as well as mixers for the terahertz regime. The multiple-strip detector showed a linear dependence on input optical power and a responsivity =3.9 V/W. |
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0964-1807 |
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no |
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Serial |
1584 |
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| Author |
Maslennikov, S. |
| Title |
RF heating efficiency of the terahertz superconducting hot-electron bolometer |
Type |
Journal Article |
| Year |
2014 |
Publication |
arXiv |
Abbreviated Journal |
arXiv |
| Volume |
1404.5276 |
Issue |
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Pages |
1-4 |
| Keywords |
superconducting hot-electron bolometer mixer, HEB, NbN, distributed model, HEB model, HEB mixer model, heat balance equa-tions, conversion gain, RF heating efficiency, noise temperature, simulation, Euler method |
| Abstract |
We report results of the numerical solution by the Euler method of the system of heat balance equations written in recurrent form for the superconducting hot-electron bolometer (HEB) embedded in an electrical circuit. By taking into account the dependence of the HEB resistance on the transport current we have been able to calculate rigorously the RF heating efficiency, absorbed local oscillator (LO) power and conversion gain of the HEB mixer. We show that the calculated conversion gai nis in excellent agreement with the experimental results, and that the substitution of the calculated RF heating efficiency and absorbed LO power into the expressions for the conversion gain and noise temperature given by the analytical small-signal model of the HEB yields excellent agreement with the corresponding measured values |
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RPLAB @ atomics90 @ |
Serial |
954 |
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Baeva, E. M.; Titova, N. A.; Veyrat, L.; Sacépé, B.; Semenov, A. V.; Goltsman, G. N.; Kardakova, A. I.; Khrapai, V. S. |
| Title |
Thermal relaxation in metal films bottlenecked by diffuson lattice excitations of amorphous substrates |
Type |
Miscellaneous |
| Year |
2021 |
Publication |
arXiv |
Abbreviated Journal |
arXiv |
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Issue |
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Pages |
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metal films, NbN, InOx, Au/Ni, thermal relaxation |
| Abstract |
Here we examine the role of the amorphous insulating substrate in the thermal relaxation in thin NbN, InOx, and Au/Ni films at temperatures above 5 K. The studied samples are made up of metal bridges on an amorphous insulating layer lying on or suspended above a crystalline substrate. Noise thermometry was used to measure the electron temperature Te of the films as a function of Joule power per unit of area P2D. In all samples, we observe the dependence P2D∝Tne with the exponent n≃2, which is inconsistent with both electron-phonon coupling and Kapitza thermal resistance. In suspended samples, the functional dependence of P2D(Te) on the length of the amorphous insulating layer is consistent with the linear T-dependence of the thermal conductivity, which is related to lattice excitations (diffusons) for the phonon mean free path smaller than the dominant phonon wavelength. Our findings are important for understanding the operation of devices embedded in amorphous dielectrics. |
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no |
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Serial |
1163 |
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| Author |
Zhang, Wen; Li, Ning; Jiang, Ling; Miao, Wei; Lin, Zhen-Hui; Yao, Qi-Jun; Shi, Sheng-Cai; Chen, Jian; Wu, Pei-Heng; Svechnikov, S. I.; Vachtomin, Y. B.; Antipov, S. V.; Voronov, B. M.; Gol'tsman, G. N. |
| Title |
Noise behaviour of a THz superconducting hot-electron bolometer mixer |
Type |
Journal Article |
| Year |
2007 |
Publication |
Chinese Phys. Lett. |
Abbreviated Journal |
Chinese Phys. Lett. |
| Volume |
24 |
Issue |
6 |
Pages |
1778-1781 |
| Keywords |
NbN HEB mixers |
| Abstract |
A quasi-optical superconducting NbN hot-electron bolometer (HEB) mixer is measured in the frequency range of 0.5–2.5 THz for understanding of the frequency dependence of noise temperature of THz coherent detectors. It has been found that noise temperature increasing with frequency is mainly due to the coupling loss between the quasi-optical planar antenna and the superconducting HEB bridge when taking account of non-uniform distribution of high-frequency current. With the coupling loss corrected, the superconducting HEB mixer demonstrates a noise temperature nearly independent of frequency. |
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0256-307X |
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no |
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Serial |
1430 |
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Xu, Y.; Zheng, X.; Williams, C.; Verevkin, A.; Sobolewski, R.; Chulkova, G.; Lipatov, A.; Okunev, O.; Smirnov, K.; Gol’tsman, G. N. |
| Title |
Ultrafast superconducting hot-electron single-photon detector |
Type |
Conference Article |
| Year |
2001 |
Publication |
CLEO |
Abbreviated Journal |
CLEO |
| Volume |
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Issue |
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Pages |
345 |
| Keywords |
NbN SSPD, SNSPD |
| Abstract |
Summary form only given. The current most-pressing need is to develop a practical, GHz-range counting single-photon detector, operational at either 1.3-/spl mu/m or 1.55-/spl mu/m radiation wavelength, for novel quantum communication and quantum cryptography systems. The presented solution of the problem is to use an ultrafast hot-electron photodetector, based on superconducting thin-film microstructures. This type of device is very promising, due to the macroscopic quantum nature of superconductors. Very fast response time and the small, (meV range) value of the superconducting energy gap characterize the superconductor, leading to the efficient avalanche process even for infrared photons. |
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Technical Digest. Summaries of papers presented at the Conference on Lasers and Electro-Optics. Postconference Technical Digest (IEEE Cat. No.01CH37170) |
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Serial |
1545 |
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Verevkin, A.; Slysz, W.; Pearlman, A.; Zhang, J.; Sobolewski, R.; Okunev, O.; Korneev, A.; Kouminov, P.; Smirnov, K.; Chulkova, G.; Gol’tsman, G. N.; Currie, M. |
| Title |
Real-time GHz-rate counting of infrared photons using nanostructured NbN superconducting detectors |
Type |
Conference Article |
| Year |
2003 |
Publication |
CLEO/QELS |
Abbreviated Journal |
CLEO/QELS |
| Volume |
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Issue |
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Pages |
CThM8 |
| Keywords |
NbN SSPD; SNSPD; Infrared; Quantum detectors; Detectors; Photon counting; Quantum communications; Quantum cryptography; Single photon detectors; Superconductors |
| Abstract |
We demonstrate that our ultrathin, nanometer-width NbN superconducting single-photon detectors are capable of above 1-GHz-frequency, real-time counting of near-infrared photons. The measured system jitter of the detector is below 15 ps. |
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Optical Society of America |
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Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference |
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no |
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Serial |
1517 |
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Zhang, J.; Pearlman, A.; Slysz, W.; Verevkin, A.; Sobolewski, R.; Okunev, O.; Korneev, A.; Kouminov, P.; Smirnov, K.; Chulkova, G.; Gol’tsman, G. N.; Lo, W.; Wilsher, K. |
| Title |
Infrared picosecond superconducting single-photon detectors for CMOS circuit testing |
Type |
Conference Article |
| Year |
2003 |
Publication |
CLEO/QELS |
Abbreviated Journal |
CLEO/QELS |
| Volume |
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Issue |
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Pages |
Cmv4 |
| Keywords |
NbN SSPD; SNSPD; Infrared; Quantum detectors; Electron beam lithography; Infrared detectors; Infrared radiation; Quantum efficiency; Single photon detectors; Superconductors |
| Abstract |
Novel, NbN superconducting single-photon detectors have been developed for ultrafast, high quantum efficiency detection of single quanta of infrared radiation. Our devices have been successfully implemented in a commercial VLSI CMOS circuit testing system. |
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Optical Society of America |
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Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference |
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no |
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1518 |
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Zhang, J.; Boiadjieva, N.; Chulkova, G.; Deslandes, H.; Gol'tsman, G. N.; Korneev, A.; Kouminov, P.; Leibowitz, M.; Lo, W.; Malinsky, R.; Okunev, O.; Pearlman, A.; Slysz, W.; Smirnov, K.; Tsao, C.; Verevkin, A.; Voronov, B.; Wilsher, K.; Sobolewski, R. |
| Title |
Noninvasive CMOS circuit testing with NbN superconducting single-photon detectors |
Type |
Journal Article |
| Year |
2003 |
Publication |
Electron. Lett. |
Abbreviated Journal |
Electron. Lett. |
| Volume |
39 |
Issue |
14 |
Pages |
1086-1088 |
| Keywords |
NbN SSPD, SNSPD, applications |
| Abstract |
The 3.5 nm thick-film, meander-structured NbN superconducting single-photon detectors have been implemented in the CMOS circuit-testing system based on the detection of near-infrared photon emission from switching transistors and have significantly improved the performance of the system. Photon emissions from both p- and n-MOS transistors have been observed. |
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0013-5194 |
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no |
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1512 |
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Tretyakov, I.; Kaurova, N.; Raybchun, S.; Goltsman, G. N.; Silaev, A. A. |
| Title |
Technology for NbN HEB based multipixel matrix of THz range |
Type |
Conference Article |
| Year |
2018 |
Publication |
EPJ Web Conf. |
Abbreviated Journal |
EPJ Web Conf. |
| Volume |
195 |
Issue |
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Pages |
05011 |
| Keywords |
NbN HEB |
| Abstract |
The influence of homogeneity disorder degree of the thin superconducting NbN film across of Si wafer on characteristics of the Hot Electron Bolometers (HEB) has been investigated. Our experiments have been carried out near the superconducting transition and far below it. The high homogeneity disorder degree of the NbN film has been achieved by preparing the Si substrate surface. The fabricated HEBs all have almost identical R (T) characteristics with a dispersion of Tc and the normal resistance R300 of not more than 0.15K and 2 Ω, respectively. The quality of the devises allows us to demonstrate clearly the influence of non-equilibrium processes in the S’SS’ system on the device performance. Our fabrication technology also allows creating multiplex heterodyne and direct detector matrices based the HEB devices. |
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2100-014X |
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no |
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1318 |
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| Author |
Anfertev, V.; Vaks, V.; Revin, L.; Pentin, I.; Tretyakov, I.; Goltsman, G.; Vinogradov, E. A.; Naumov, A. V.; Gladush, M. G.; Karimullin, K. R. |
| Title |
High resolution THz gas spectrometer based on semiconductor and superconductor devices |
Type |
Conference Article |
| Year |
2017 |
Publication |
EPJ Web Conf. |
Abbreviated Journal |
EPJ Web Conf. |
| Volume |
132 |
Issue |
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Pages |
02001 (1 to 2) |
| Keywords |
NbN HEB mixers, detectors, THz spectroscopy |
| Abstract |
The high resolution THz gas spectrometer consists of a synthesizer based on Gunn generator with a semiconductor superlattice frequency multiplier as a radiation source, and an NbN hot electron bolometer in a direct detection mode as a THz radiation receiver was presented. The possibility of application of a quantum cascade laser as a local oscillator for a heterodyne receiver which is based on an NbN hot electron bolometer mixer is shown. The ways for further developing of the THz spectroscopy were outlined. |
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Place of Publication |
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Summary Language |
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Original Title |
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| Series Editor |
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Series Title |
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Abbreviated Series Title |
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| Series Volume |
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Series Issue |
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Edition |
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| ISSN |
2100-014X |
ISBN |
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Medium |
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| Notes |
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no |
| Call Number |
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Serial |
1328 |
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