Department E supports the direction "Electronics-Computers-Telecommunications-Control" of the Undergraduate Program of the Faculty of Physics. Furthermore, the members of the Department participate in several core courses, selective courses, as well as courses offered to other Faculties.

In detail, the undergraduate courses supported by the members of the Department are:

# Core Courses:

Computers Ι (Υ015)

**Description:**

- Computer Structure – Operating Systems
- Algorithms – Code Structure
- Programming in C – Libraries
- Program flow control – Loops
- Files – Pointers – Functions
- Global – Local Variables
- Program Examples – Applications in Physics

**A. Moustakas -** Assist. Professor

**H. Nistazakis -** Assist. Professor

**E. Anasontzis -** Assoc. Professor

**E. Tsilis -** Assist. Professor

Eclass course webpage

Electronics I (Υ051)

**Description:**** **

- Introductory concepts – Signals and Systems.
- Elements of Circuit analysis and Quadripole Theory – Circuit analysis in time and frequency domain.
- Introduction to operational amplifiers.
- Elements from Semiconductor Physics – Diodes and Applications.
- The Bipolar Junction Transistor – Operation and Applications.
- Field Effect Transistor – Operations and Apllications.

**G. Tombras - **Professor

**H. Nistazakis - **Assist. Professor

Eclass course webpage

Basic Physics Laboratory IV (Υ0343)

**Description:**** **

- Study of the magnetic field of circular conductors and coils.
- Resonance of RLC circuit using oscilloscope.
- Power generation – Lenz law (motor – generator – usage of stroboscope).
- Electron motion in homogeneous magnetic field – e/m quotient.
- Hall Effect, carrier calculation.
- Spectroscopy – Linear spectra and Bohr theory.
- Photoelectric effect.
- Wave behavior of electrons.

**Coordinator: H. Nistazakis** - Assist. Professor

Eclass course webpage

Core Laboratory I (Υ0356)

**Description:**** **

- Introduction to basic measuring devices in Electronic Physics. Basic concepts and elements of Electronic Physics. Electric and Electronic Circuits.
- Signals and Systems. Introductions to Operational Amplifiers and their Applications in Physics.
- Stellar radiation. The Sun. Measurement of basic stellar parameters (effective temperature, mass, radius).
- Stellar evolution. Star clusters. Measurement of age. Distance measurements. The expansion of the Universe and Hubble’s constant.
- Measurements and study of basic atmospheric parameters: Short and long wave solar and earth radiation. Temperature and humidity.
- Wind and thermodynamic of the troposphere: Basic concepts of the wind, wind measurements, wind data analysis and presentation. Thermodynamic changes in vertically moving air mass, thermodynamic diagrams, tephigram, vertical stability in the troposphere.

**Coordinators: D. ****Chatzidimitriou **- Assoc. Professor, **N. Kaltsounidis** - Research Assistant, **H. Nistazakis** - Assist. Professor

Eclass course webpage

Core Laboratory II (Υ0367)

**Description:**** **

- Basic concepts of semiconductors and devices – Elements from Semiconductor Physics – P-N Junction Diodes – Applications in Physics.
- Bipolar Junction Transistor - Field Effect Transistor – Linear and non linear area of operation – Applications in Physics.
- Band gap of germanium (Ge)
- Electron diffraction on polycrystalline graphite
- Study of the Geiger-Muller (GM) counter. Detection and absorption of beta (β) radiation. Detection and absorption of gamma (γ) radiation.
- Study of scintillator detectors. Interaction of gamma radiation with matter. Dosimetry.

**Coordinators: ****N. Giokaris** - Professor, **M. Kalamiotou** - Assoc. Professor,** ****H. Nistazakis** - Assist. Professor

Eclass course webpage

# Direction Courses:

Electronics ΙΙ (with Lab) (Υ3201)

**Description:**

- Power conversion/power supply.
- Wave shaping/wave shapers (linear, non-linear).
- Amplification/amplifiers, practical amplifying devices, operational models, performance characteristics of practical amplifiers.
- Basics of analysis/design of small signal amplifiers.
- Basics of analysis/design of large signal amplifiers.
- Basics of amplifier design for integrated circuits.
- Basics of analysis/design of digital functions, circuits and systems.

**G. Alexakis -** Assist. Professor** **(galexaki[at]phys.uoa.gr)

**E. Roditi** - Assist. Professor (erodoti[at]phys.uoa.gr)

**M. Tsilis** - Assist. Professor (mtsilis[at]phys.uoa.gr)

Computer Science ΙΙ (with Lab) (Υ3202)

**Description:**

- Computer arithmetic: 1’s and 2’s complement, floating point representation, addition/subtraction, methods for 2’s complement multiplication, non/restoring division, convergence division.
- Computer architecture. Combinatorial circuits: de/multiplexers, decoders, adders/subtractors, array multipliers. Sequential circuits: registers, counters, finite state machines.
- Computer organization: CPU, memory and peripheral organization. Addressing modes, machine language. Subroutines and stack.
- Theory and implementation in C code of the following data structures and algorithms: Lists, stacks, binary trees, merge, quick, heap.

**D. Reisis** - Assist. Professor

E-mail: dreisis[at]phys.uoa.gr

Signals and Systems (with Lab) (Υ3205)

**Description:**

- Introduction to Signals and Systems.
- Convolution.
- Fourier Analysis in the Continuous Time Domain and Applications.
- Laplace Transform: Properties and Applications.
- Sampling.
- Fourier Analysis in the Discrete Time Domain and Applications.
- System Simulations and Applications in MATLAB.

**A. Polydoros** - Professor

**H. Nistazakis - **Assist. Professor

Eclass course webpage

Automatic Control Systems (Ε3202)

**Description:**

- Basic concepts, Laplace Transform, Inverse Laplace, Applications.
- Transfer function (of complex frequency), Feedback, Steady state errors.
- State equations (electrical, mechanical, electronic systems).
- Matrices, Matrix exponential, solution of LTI systems in frequency and time domain.
- Stability (SISO open and closed loop systems, MIMO systems)
- Bode plots, phase lag and lead networks and design.
- Discrete time systems, Z-transform, Inverse Z, stability.

**D. Evangelatos - **Assist. Professor

E-mail: devang[at]phys.uoa.gr

Computer Systems (Ε3207)

**Description:**** **

- Types of operating systems, their structure, processes and system calls. Processes and threads. Process communication, semaphores, mutex, monitors. Low level scheduling.
- Memory management. Segments, Virtual memory and paging. Page replacement techniques. Page size, thrashing and implementation issues.
- Directories. Input/output, device handlers, and I/O software design principles.
- Deadlocks: recovery and avoidance. Security and cryptography principles. Multiprocessor systems.
- Implementation in C and C++ code of relative example applications.

**D. Reisis - **Assist. Professor (dreisis[at]phys.uoa.gr)

**E. Tsilis -** Assist. Professor (mtsilis[at]phys.uoa.gr)

Microelectronics (Ε3203)

**Description:**

- Development and fields of application in the realization of integrated circuits of silicon or compound semiconductors.
- Processes (crystal development, epitaxy, oxidation, doping via diffusion or ion implantation, metallization, lithography and subtractive processes).
- Structure of basic devices and physical design of integrated circuits.
- Application in the realization of logic gates and CMOS memory circuits.

**C. Aidinis - **Assoc. Professor (caidinis[at]phys.uoa.gr)

**E. Roditi - **Assist. Professor (eroditi[at]phys.uoa.gr)

Optoelectronics and Optical Communications (E3201)

**Description: **

- Dispersion, anisotropic and nonlinear behaviour in optical materials.
- Electrooptic modulators.
- Optical waveguides. Multimode and monomode optical fiber. Signal degradation effects.
- Structure and emission characteristics of LEDs and semiconductor lasers.
- Photoconductive detector, typical photodiode structures, phototransistor, MSM, photovoltaic cells.
- Optical communication system basics. Optical networks.

**C. Aidinis** - Assoc. Professor** **(caidinis[at]phys.uoa.gr)

**E. Roditi** - Assist. Professor (eroditi[at]phys.uoa.gr)

# Free Selection Courses:

Stochastic Processes in Physics (Ε3911)

**Description: **

- Introduction to Probability Theory – Random variables and their distributions. Bayes theorem; Hypothesis testing; Statistical Inference; Random Processes (stationarity and independence); Correlation functions.
- Spectral properties – power spectrum and autocorrelation; Linear filters.
- Random Walks: Wiener processes and Brownian motion.
- Diffusion: Diffusion equation, Fokker-Planck equation.
- Noise: Thermal Noise; Shot Noise.
- Entropy, maximum entropy distributions, complexity.
- Markov chains: Transition matrices and Ergodicity.

# Courses offered to other Faculties:

Faculty of Chemistry: Physics I (1st semester)

**Description: **Mathematical introduction. Measurements, units. Body dynamics. Work. Energy. Dynamics of a system of bodies. Dynamics of a solid body. Oscillations. Waves. Fluid mechanics.

**D. Frantzeskakis - **Professor