FORUM OPTONICS 2020

The accompanying program is organized in cooperation with the Czech and Slovak Society for Photonics. The main professional guarantor is Dr. Dagmar Senderáková, CSc.

The Forum will offer experts, traders and the general public all from the fields of optics and photonics. The topics discussed will be lasers and their use in research, sensors, optical waveguides, photonic communication and photonic networks, analysis and utilization of nanostructures and many others.

The accompanying program is supported by a strong representation of exhibitors who will present the latest in the field. List of exhibitors from the field of "Lasers, Photonics and Fine Mechanics" is here.

The Forum will take place inthe Hall F, stand F 2.31. The Forum program below.   

TUESDAY 17. 3. 2020
10:00-11:00

FORUM OPTONICS opening and an introductory lecture
RNDr. Dagmar Senderáková, CSc., FMFI UK, Bratislava
Czech and Slovak Society for Photonics - the organizer of Forum OPTONICS. A short introduction to photonics, which became a part of research, industrial applications and even of our everyday life. Overview of the milestones in photonics 2019 according to the Laser Focus World.

11:00-11:30

Photorefractivity: mechanism, materials and practical applications
Doc. Ing. Norbert Tarjányi, Ph.D., KF FEIT UNIZA, Žilina
Materials that change their refractive index due to illumination can, in general, be denoted as photorefractive ones. Change of the refractive index is reversible under certain conditions, thus allowing the phenomenon to be used in many ways. Some interesting applications of a selected photorefractive material will be described in more details.

11:30-12:00

Optical fiber probes based on Fabry-Pérot interferometer
Ing. Matej Goraus, Ph.D., KF FEIT UNIZA, Žilina
Polymeric fiber probes prepared by 3D lithography integrated at the end of optical fibers open new possibilities for very precise sensing of various physical quantities. The presented probes will be focused on sensing high-resolution magnetic fields up to the submicrometer level.

12:00-12:30

3D Y-splitter integrated on optical fiber and others 3D photonic components
Prof. Ing. Dušan Pudiš, Ph.D., KF FEIT UNIZA, Žilina
Modern 3D submicrometer laser technology based on polymers open a new platform for the fabrication of photonic devices. One of interesting elements that have been presented only in planar technologies is eg. 3D Y-branch splitter.

12:30-13:00

Light forces both in space and microworld
Ing. Petr Jákl, Ph.D., ÚPT AV ČR, v.v.i., Brno
Light beams interact with objects mechanically. This can be used in a wide range of human activities. The popular lecture will present the history and present state of the research of the light forces acting on large objects in the space as well as small particles and living objects in the micro-world.

13:00-13:30

Optical atomic clock with laser cooled ions for 1s unit redefinition
Ing. Ondřej Číp, Ph.D., ÚPT AV ČR, v.v.i., Brno
Time unit definition and realization is based on atomic clocks with laser cooled Caesium atoms. However, current global research, in which the Czech Republic is also involved, aims to realize so-called optical atomic clocks, whose accuracy and stability are up to 1000 times higher than the current most accurate atomic clocks. The lecture gives an overview of principles from atomic clocks to optical clocks with laser-cooled ions.

13:30-14:00

European metrological network for precise time
Mgr. Lenka Pravdová, Ph.D., ÚPT AV ČR, v.v.i., Brno
With the development of optical fibres production technologies and implementation, the possibility of optical frequency comparing over long distances has also arisen using a photonic network. The lecture provides an insight into the current state of the photonic fibre network across Europe and a near future vision.

WEDNESDAY 18. 3. 2020
10:00-10:30

Holography around us
RNDr. Dagmar Senderáková, CSc.,  FMFI UK, Bratislava
The term “hologram” is too often used today. The aim of the lecture is to remember holography and its properties issued from Denis Gabor work.

10:30-11:00

Sensors based on Bloch's surface waves
Ing. Michal Gryga, FEI VŠB TUO Ostrava
The lecture deals with optical sensors based on Bloch's surface waves. The basic principles of operation of such sensors will be presented. Advantages and disadvantages of this sensors will be discussed and compared with sensors using the surface plasmons.

11:00-11:30

Optical measurement method with active optical elements
RNDr. Pavel Pavlíček, SLOUP a FU AV ČR, Olomouc
In the construction of optical 3D sensors we use optical fiber stretcher and electrically tunable lens. This makes it possible to measure the shape of objects without mechanical scanning.

11:30-12:00

Development of thin films for optical telescopes
Mgr. Lukáš Václavek, SLOUP a FU AV ČR, Olomouc
The talk will cover the effect of deposition conditions and subsequent thermal treatment on the structure, optical and mechanical properties of HfO2 optical thin films.

12:00-12:30

Application of optical camera communication
Ing. Stanislav Vítek, Ph.D., FEL ČVUT, Praha
The visible light spectrum is progressively used for communication wherever communication using other physical layers (eg metallic or optical lines) is difficult or not flexible. The advantage is also high bandwidth and no license load. In this contribution we will introduce the use of common cameras, such as in a mobile phone, in typical applications like indoor navigation (Visible Light Positioning).

12:30-13:00

Current trends in image and video compression
Ing. Karel Fliegel, Ph.D., FEL ČVUT, Praha
The lecture focuses on an overview of current trends in the field of image and video compression, especially the standardization activities of JPEG and MPEG. In addition to the compression methods of conventional image data, approaches for special image modalities such as light field, point cloud, and digital holography are addressed.

13:00-13:30

Image photonics (not only) in space applications
Prof. Petr Páta, FEL ČVUT, Praha
The lecture will be devoted to the basic principles of the image photonics. The historical background will be mentioned. These selected space applications are detection of meteor, all-sky cameras and hyper spectral imaging systems.

13:30-14:00

New optical amplifiers for the high-capacity optical communication systems based on bismuth
Ing. Jiří Šmejcký, FEL ČVUT, Praha
At present, optical amplifiers for the high-capacity optical communication systems are using in the narrow spectral region of 1530–1560 nm, determined by the gain bandwidth of erbium-doped fiber amplifiers (EDFA) or erbium-doped optical planar amplifiers (EDPA) realized as active planar waveguides integrated structures. However, it is possible to increase wavelength region up to 1610 nm, where optical losses of telecommunication fibers are less than 0.3 dB per km, if appropriate optical amplifiers are available. In this regard, the development of novel optical amplifiers operating in this spectral region are of great importance. The paper summarizes the research results of the new optical amplifiers based on the optical Er , Yb and Bi ions doped optical active waveguides and possibilities of application for extension of the optical bandwidth from 1530 to 1610 nm.

THURSDAY 19. 3. 2020
10:00-10:30

Parameters of atmospheric transmission medium for optical wireless systems
Doc. Ing. Lucie Hudcová, Ph.D., FEKT UREL VUT, Brno
Optical wireless systems designed for communication, monitoring or, for example, measuring operating in the atmosphere are influenced by the properties of this transmission medium. Therefore, in order to evaluate the information obtained from wireless systems correctly, it is necessary to quantify the influence of the atmospheric transmission medium on optical beams.

10:30-11:00

Radiation effecting solar cells
Ing. Nikola Papež, FEKT UF VUT, Brno
What is radiation, how does it divide, and how much does it harm solar cells? The lecture will lead you from general knowledge to technological innovations, especially in the field of ionizing radiation affecting photovoltaic cells in space and beyond. You will be introduced to more or less known facts. The lecture also describes when and under what conditions does it make sense to operate solar cells. You will also see actual results of what a solar cell can look like after a high dose of gamma radiation.

11:00-11:30

Near-field scanning optical microscopy: breaking resolution limits
Mgr. Dinara Sobola, Ph.D., FEKT UF VUT, Brno
Near-field scanning optical microscopy allows to overcome diffraction limit in optical measurements. Optical properties of the surface and near-surface area can be studied additionally to morphology. This presentation is dedicated to application of near-field scanning optical microscopy in materials science and its combination with other microscopy techniques.

11:30-12:00

Plasmons and their exploitation in the modern world
doc. Ing. Jaroslav Kováč, Ph.D., ÚEF FEI STU, Bratislava
Plasmons or their deviation plasmon polaritons are exploited for hundreds of years in various artistic work branches, but for only last 100 years, they attract the interest of scientists in the context of their exploitation for various scientific and practical applications. Thanks to these quasiparticles we know sensitive biosensors or SERS, which increase the quality of research and lives of humanity in the modern world.

12:00-12:30

Trends in TV displays: LED, OLED, QLED
doc. Ing. Martin Weis, DrSc., ÚEF FEI STU, Bratislava
The last decade, new technologies in TV displays have been introduced . LCD displays were replaced by abbreviations such as LED, OLED, or QLED? However, do we understand the meaning? Why are we using nanotechnologies and new materials? Are organic semiconductors better than quantum dots?

12:30-13:00

Applications of solid-state pulsed lasers: how to transmit megawatts with optical fibers
Ing. Jan Vanda, Ph.D., HiLASE Centrum FZÚ AV ČR, v. v. i., Praha
For a broader use of solid state lasers in micromachining or surface processing applications there is necessary condition to have a flexible and effective transmission of laser pulses from the source towards treated material. The most effective means for such a purpose are optical fibers, but how to squeeze enormous powers into a sub-millimeter thick carrier?



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