Semiconductor Physics, Quantum Electronics & Optoelectronics, 22 (1), P. 104-110 (2019).

Quantum efficiency improvement of optical radiation trap-detectors
D.N. Tatyanko1, P.I. Neyezhmakov2,3, Ye.P. Timofeev2, A.S. Litvinenko3, K.I. Suvorova3, E.M. Didenko3

1O.Ya. Usikov Institute for Radiophysics and Electronics, National Academy of Sciences of Ukraine, 12, Academica Proskury str., 61085 Kharkiv, Ukraine E-mail:
2National Scientific Centre “Institute of Metrology”, 42, Myronositska Str., 61002 Kharkiv, Ukraine E-mail:;
3O.M. Beketov National University of Urban Economy, 17, Marshala Bazhanova str., 61002 Kharkiv, Ukraine E-mail:

Abstract. The ways to increase the quantum efficiency of trap detectors of optical radiation have been discussed. Presented here has been a brief review of trap detectors, in which high quantum efficiency is ensured by their design. The obtained results of performed studies confirm the practical meaning of the new developed schemes for the construction of trap detectors. Results of investigations of optical receivers based on trap detectors that were applied at the state primary measurement standards of the optical radiation units have been presented, too.

Keywords: trap detectors, optical radiation, quantum efficiency.

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