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Vol. 191, Issue 8, August 2015, pp. 57-62




CeB6 Sensor for Thermoelectric Single-Photon Detector


Material Science Lab., Institute for Physical Research, Ashtarak-2, 0203, Republic of Armenia
* Tel.: +374 10288150, fax: +374 23231172

* E-mail: akuzanyan@yahoo.com


Received: 24 June 2015 /Accepted: 30 July 2015 /Published: 31 August 2015

Digital Sensors and Sensor Sysstems


Abstract: 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 work we present 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.


Keywords: Sensor, Absorber, Thermoelectric, Single-photon detector, Photon energy, Count rate.


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