Spectral and polarization characteristics of a broadband vacuum photosensor with tunnel emission from a metal nanoscale blade

Garif G. Akchurin; Dmitry A. Zimnyakov; Nikolay P. Aban’shin; Georgy G. Akchurin; Yuri A. Avetisyan Jr.; Alexander P. Loginov; Sergey A. Yuvchenko; Sergey V. Zarkov; Alexander N. Yakunin

doi:10.1117/12.2523346

3 June 2019 Spectral and polarization characteristics of a broadband vacuum photosensor with tunnel emission from a metal nanoscale blade

Garif G. Akchurin, Dmitry A. Zimnyakov, Nikolay P. Aban’shin, Georgy G. Akchurin, Yuri A. Avetisyan Jr., Alexander P. Loginov, Sergey A. Yuvchenko, Sergey V. Zarkov, Alexander N. Yakunin

Author Affiliations +

Proceedings Volume 11066, Saratov Fall Meeting 2018: Laser Physics, Photonic Technologies, and Molecular Modeling; 110660A (2019) https://doi.org/10.1117/12.2523346
Event: International Symposium on Optics and Biophotonics VI: Saratov Fall Meeting 2018, 2018, Saratov, Russian Federation

Abstract

In this work, we investigate the spectral and polarization characteristics of a vacuum photosensor with a nanoscale molybdenum blade as a sensing element. The results of theoretical and experimental studies of the optical fields in the sensor and the photocurrent produced by laser beam irradiation in the range of wavelengths from the visible to the near infrared are presented. The existence of a photo-response far beyond the red threshold of the classical photoelectric effect is ensured by the localization of an external strong electrostatic field. Features of the field interaction of radiation with a molybdenum blade cause the registered spectral non-monotonicity of the photocurrent value, which corresponds to the results of theoretical studies. The ballistic transport of electrons in a vacuum is characterized by a high speed. Achieved results made the photosensor based on nanoscale molybdenum blade promising in the development of ultrafast vacuum micro and nanoelectronic devices.

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Garif G. Akchurin, Dmitry A. Zimnyakov, Nikolay P. Aban’shin, Georgy G. Akchurin, Yuri A. Avetisyan Jr., Alexander P. Loginov, Sergey A. Yuvchenko, Sergey V. Zarkov, and Alexander N. Yakunin "Spectral and polarization characteristics of a broadband vacuum photosensor with tunnel emission from a metal nanoscale blade", Proc. SPIE 11066, Saratov Fall Meeting 2018: Laser Physics, Photonic Technologies, and Molecular Modeling, 110660A (3 June 2019); https://doi.org/10.1117/12.2523346

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