Výsledky vyhledávání - "Dariusz Szabra"

Akademický článek

Time-Efficient SNR Optimization of WMS-Based Gas Sensor Using a Genetic Algorithm

Autor: Filip Musiałek, Dariusz Szabra, Jacek Wojtas

Publikováno v: Sensors, Vol 24, Iss 6, p 1842 (2024)

This paper presents the description of the wavelength modulation spectroscopy (WMS) experiment, the parameters of which were established by use of the Artificial Intelligence (AI) algorithm. As a result, a significant improvement in the signal power

Externí odkaz: https://doaj.org/article/295bc4df04294e8aae0c3b1ab4cd9fdb

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Akademický článek

Optical Wireless Communications Operated at Long-Wave Infrared Radiation

Autor: Janusz Mikolajczyk, Dariusz Szabra, Artur Prokopiuk, Krzysztof Achtenberg, Jacek Wojtas, Zbigniew Bielecki

Publikováno v: International Journal of Electronics and Telecommunications, Vol vol. 66, Iss No 2, Pp 383-387 (2020)

This paper presents some construction analysis and test results of a Free Space Optics system operating at the wavelength of 9.35 μm. In the system, a quantum cascade laser and a photoreceiver with mercury cadmium telluride photodetectors were used.

Externí odkaz: https://doaj.org/article/e0fc7a09af6640618e034aad6151409b

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Akademický článek

Review of peak signal detection methods in nanosecond pulses monitoring

Autor: Krzysztof Achtenberg, Janusz Mikołajczyk, Dariusz Szabra, Artur Prokopiuk, Zbigniew Bielecki

Publikováno v: Metrology and Measurement Systems, Vol 27, Iss 2, Pp 203-218 (2020)

The paper is a review of analog and digital electronics dedicated to monitor nanosecond pulses. Choosing the optimal peak detector construction depends on many factors for example precision, complexity, or costs. The work shows some virtues and limit

Externí odkaz: https://doaj.org/article/521d38c8421b4a1b969c6ad495d5ca8f

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Akademický článek

Integrated IR Modulator with a Quantum Cascade Laser

Autor: Janusz Mikołajczyk, Dariusz Szabra

Publikováno v: Applied Sciences, Vol 11, Iss 14, p 6457 (2021)

This paper presents an infrared pulsed modulator into which quantum cascade lasers and a current driver are integrated. The main goal of this study was to determine the capabilities of a new modulator design based on the results of its electrical mod

Externí odkaz: https://doaj.org/article/18e5e82f9445420cbb9ed61def87985c

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