国际光学工程学会
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作者:Mateusz Żbik , Piotr Z. Wieczorek
来源:[C].Symposium on Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments (WILGA)2016SPIE
摘要:This article presents a laser diode driver that provides a fast modulation of a laser beam. A pulsed current source was designed and built to test Infra-Red (I-R) receivers in the Time Domain (TD). The proposed solution allows to estimate pulse responses of various photodetectors...
作者:Piotr Z. Wieczorek
来源:[C].Symposium on Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments (WILGA)2006SPIE
摘要:The paper presents a precise measurement system for the thermal drift of propagation delay in digital circuits. The design technique and essential units of system have been described. The method of short time estimation is also shown. Results of the time drift in popular bipolar ...
作者:Piotr Z. Wieczorek , Leszek J. Opalski
来源:[C].Symposium on Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments (WILGA)2008SPIE
摘要:The paper presents selected results of an empirical study of transient responses of ion-selective potentiometric sensor totwo classes of stimulus. First, voltage time-domain response ofion-selective structures was observed to changes of ionconcentrations in the sample, flow speed...
作者:Piotr Z. Wieczorek , Aleksander Burd
来源:[C].Symposium on Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments (WILGA)2006SPIE
摘要:This paper presents the precise low current source circuit for use in a time measurement system with a time expansion. The circuit's design and structure are shown, with a special attention brought to the problems during the system construction. The results of essential measureme...
作者:Aleksander Burd , Piotr Z. Wieczorek
来源:[C].Symposium on Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments (WILGA)2006SPIE
摘要:The paper presents a low-cost fast ramp circuit for use in sampling oscilloscope. A structure and a principle of operationof the circuit are described. The way of realisation and results of measurements are announced too. Usefulness of thecircuit for fast sampling oscilloscopes i...

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