TFD38 - Türk Fizik Derneği 38. Uluslararası Fizik Kongresi sunumları

31 Ağustos - 04 Eylül 2022 tarihleri arasında düzenlenen Türk Fizik Derneği 38. Uluslararası Fizik Kongresi'ne üç adet sözlü sunum ile katılmış ve 4 Eylül tarihinde sunumları gerçekleştirilmiştir. Hem teorik hem de deneysel olarak yürütülen çalışmalardan elde edilen ön veriler ve bilgiler sunulmuştur. Sunumların başlıkları ve özetleri aşağıda verilmiştir:


Characterization of silicon photomultiplier (SIPM) by pulsed lasers as a detector for space applications (Erhan Ermek and Abdullah Kepceoğlu)

In this work, we investigated a silicon photomultiplier's (SiPM) laser pulse duration and wavelength-dependent characteristics. Both continuous (CW) and pulsed lasers (nanosecond and femtosecond) were used to illuminate the SiPM.
Also, an amplifying circuit was built to acquire signals from SiPM and simulation and experimental responses were presented and discussed the possibility to use for space applications of the detector. 



Ion trajectory and spectrometer mass resolution simulation study of the linear and reflectron time-of-flight mass spectrometer systems (Abdullah Kepceoğlu)

In this work, the linear and reflectron time-of-flight mass spectrometer (L-TOF-MS and R-TOF-MS) system's ion trajectory and systems resolution were investigated theoretically using SIMION ion and electron optics simulation software.
Various geometric electrode configurations of the L-TOF-MS system were investigated. Using the same parameters R-TOF-MS was also investigated. Systems mass resolutions were presented at m/z ~100. 


Theoretical investigation of the molecular properties of the fluoroaniline isomers (Yavuz Ekincioğlu and Abdullah Kepceoğlu)

Fluoroaniline is an important fluorinated aromatic compound that is widely used in the production of pharmaceuticals and agrochemicals. In this work, fluoroaniline isomers were investigated theoretically.
Molecular structure optimization, conformational analysis, nonlinear optics properties, frontier molecular orbital (HOMO-1, HOMO/SOMO, LUMO, LUMO+1) energies and Chemical reactivity descriptors, that are the ionization potentials (vertical and adiabatic), the electron affinity the chemical hardness, softness and the electronegativity, Molecular Electrostatic Potential (MEP), Natural Bonding Orbital (NBO) and UV-VIS spectra were calculated using density functional theory method with B3LYP functional with 6-311++G (d, p) basis set. 



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