Autor: Dorosz, P. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Reduction of silicon photomultipliers thermal generation in self-coincidence system applied in low level light measurements
Autorzy:: Baszczyk, M.
Dorosz, P.
Głąb, S.
Kucewicz, W.
Mik, Ł.
Powiązania:: https://bibliotekanauki.pl/articles/201762.pdf
Data publikacji:: 2014
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: Silicon Photomultiplier
SiPM
thermal generation
photon detector
cosmic rays
Opis:: The paper presents method for thermal generation reduction in low level light applications, especially where measured phenomena have random character. The algorithm was developed basing on cosmic ray measurements. The main parts of the system are: Silicon Photomultipliers (SiPM), front-end ASIC for amplifying and shaping signals. SiPM is a very sensitive device which can detect single photons. Comparing to a standard photomultiplier SiPM has a compact size, low operating voltage and it is immune to an electromagnetic field. Thermally generated signals are disadvantage of SiPM. This paper presents the measurement method to reduce influence of thermal generation.
Źródło:: Bulletin of the Polish Academy of Sciences. Technical Sciences; 2014, 62, 3; 505-510
0239-7528
Pojawia się w:: Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Silicon photomultiplier gain compensation algorithm in multidetector measurements
Autorzy:: Baszczyk, M.
Dorosz, P.
Głąb, S.
Kucewicz, W.
Mik, Ł.
Sapor, M.
Powiązania:: https://bibliotekanauki.pl/articles/221810.pdf
Data publikacji:: 2013
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: silicon photomultiplier
single photons
gain stabilization
temperature influence
Opis:: The paper stresses the issue of strong temperature influence on the gain of a Silicon Photomultiplier (SiPM). High sensitivity of the detector to light (single photons) requires stable parameters during measurement, including gain. The paper presents a method of compensating the change of gain caused by temperature variations, by adjusting a suitable voltage bias provided by a precise power module. The methodology of the research takes in account applications with a large number of SiPMs (20 thousand), explains the challenges and presents the results of the gain stabilization algorithm.
Źródło:: Metrology and Measurement Systems; 2013, 20, 4; 655-666
0860-8229
Pojawia się w:: Metrology and Measurement Systems
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: UV Radiation Detection Using Optical Sensor Based on Eu3+ Doped PMMA
Autorzy:: Miluski, P.
Kochanowicz, M.
Żmojda, J.
Dorosz, D.
Powiązania:: https://bibliotekanauki.pl/articles/220742.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: ultraviolet radiation
UV
optical fibre sensor
lanthanides
Opis:: Progress in UV treatment applications requires new compact and sensor constructions. In the paper a hybrid (organic-inorganic) rare-earth-based polymeric UV sensor construction is proposed. The efficient luminescence of poly(methyl) methacrylate (PMMA) matrix doped by europium was used for testing the optical sensor (optrode) construction. The europium complex assures effective luminescence in the visible range with well determined multi-peak spectrum emission enabling construction of the optrode. The fabricated UV optical fibre sensor was used for determination of Nd:YAG laser intensity measurements at the third harmonic (355 nm) in the radiation power range 5.0-34.0 mW. The multi-peak luminescence spectrum was used for optimization of the measurement formula. The composition of luminescent peak intensity enables to increase the slope of sensitivity up to -2.8 mW^-1. The obtained results and advantages of the optical fibre construction enable to apply it in numerous UV detection systems.
Źródło:: Metrology and Measurement Systems; 2016, 23, 4; 615-621
0860-8229
Pojawia się w:: Metrology and Measurement Systems
Dostawca treści:: Biblioteka Nauki

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