CeB^sub 6^ Sensor for Thermoelectric Single-Photon Detector
Interest in single-photon detectors has recently sharply increased. The most developed single-photon detectors are currently based on superconductors. Following the theory, thermoelectric single-photon detectors can compete with superconducting detectors. The operational principle of thermoelectric...
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| Veröffentlicht in: | Sensors & transducers 2015-08, Vol.191 (8), p.57 |
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| creator | Kuzanian, Armen Nikoghosyan, Vahan Kuzanyan, Astghik |
| description | Interest in single-photon detectors has recently sharply increased. The most developed single-photon detectors are currently based on superconductors. Following the theory, thermoelectric single-photon detectors can compete with superconducting detectors. The operational principle of thermoelectric detector is based on photon absorption by absorber as a result of which a temperature gradient is generated across the sensor. In this article, the authors have presented the results of computer modeling of heat distribution processes after absorption of a photon of 1 keV-1 eV energy in different areas of the absorber for different geometries of tungsten absorber and cerium hexaboride sensor. The time dependence of the temperature difference between the ends of the thermoelectric sensor and electric potential appearing across the sensor are calculated. The results of calculations show that it is realistic to detect single photons from IR to X-ray and determine their energy. Count rates up to hundreds gigahertz can be achieved. |
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The most developed single-photon detectors are currently based on superconductors. Following the theory, thermoelectric single-photon detectors can compete with superconducting detectors. The operational principle of thermoelectric detector is based on photon absorption by absorber as a result of which a temperature gradient is generated across the sensor. In this article, the authors have presented the results of computer modeling of heat distribution processes after absorption of a photon of 1 keV-1 eV energy in different areas of the absorber for different geometries of tungsten absorber and cerium hexaboride sensor. The time dependence of the temperature difference between the ends of the thermoelectric sensor and electric potential appearing across the sensor are calculated. The results of calculations show that it is realistic to detect single photons from IR to X-ray and determine their energy. 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| identifier | ISSN: 2306-8515 |
| ispartof | Sensors & transducers, 2015-08, Vol.191 (8), p.57 |
| issn | 2306-8515 1726-5479 |
| language | eng |
| recordid | cdi_proquest_journals_1729740816 |
| source | EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Bridges Heat Nanowires Sensors Temperature |
| title | CeB^sub 6^ Sensor for Thermoelectric Single-Photon Detector |
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