Optical transducers with frequency output

Oleksandr V. Osadchuk; Volodymyr S. Osadchuk; Iaroslav O. Osadchuk; Maksat Kolimoldayev; Paweł Komada; Kanat Mussabekov

doi:10.1117/12.2280892

7 August 2017 Optical transducers with frequency output

Oleksandr V. Osadchuk, Volodymyr S. Osadchuk, Iaroslav O. Osadchuk, Maksat Kolimoldayev, Paweł Komada, Kanat Mussabekov

Proceedings Volume 10445, Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2017; 104451X (2017) https://doi.org/10.1117/12.2280892
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2017, 2017, Wilga, Poland

Abstract

In this work the characteristics research of microelectronic transducers of optical radiation with a frequency output signal on the basis of a hybrid integrated circuit consisting of a bipolar and a field-effect transistor with a Schottky barrier is presented. The connection of an external inductance to electrodes a collector - drain allows to implement the auto generating device. The frequency of the device generation depends on power of optical radiation falling on photosensing elements as a photoresistor, photodiode and photosensing transistors switched on in a circuit of the self-excited oscillator. The impedance on electrodes the collector - drain of bipolar and field transistors has capacitive reactive part and negative active resistance, which compensates power losses in a tuning circuit of the device. On the base of a nonlinear equivalent circuit of the transducer on an alternating current the analytical expressions of function of transformation and equation of sensitivity are obtained. The sensitivity of optical transducers lays in a range from 25 kHz/μWt/cm² up to 150 kHz/μWt/cm².

Citation Download Citation

Oleksandr V. Osadchuk, Volodymyr S. Osadchuk, Iaroslav O. Osadchuk, Maksat Kolimoldayev, Paweł Komada, and Kanat Mussabekov "Optical transducers with frequency output", Proc. SPIE 10445, Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2017, 104451X (7 August 2017); https://doi.org/10.1117/12.2280892

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