V.E. Lashkaryov Institute of Semiconductor Physics NAS of Ukraine
National Academy of Sciences of Ukraine

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Laboratory of optical and optoelectronic recording media

 

 


Head of Department
Kostyukevych Sergiy O.
Tel.: +38 044 525 6205
internal: 3-93
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Staff

 

Kateryna V. Kostyukevych

 

Tel.: +38 044 525 6205
internal: 2-23
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Viktor O. Lysiuk

 

Tel.: +38 044 525 6205
internal: 3-93
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Anastasiya A. Koptiukh

 

Tel.: +38 044 525 6205
internal: 3-93
   

Valeriy I. Pogoda

 

Tel.: +38 044 525 6205
internal: 7-93

 

Research

The main direction of research work of the laboratory is study of physico-chemical processes in chalcogenide semiconductors under the action of laser and electron irradiation, the development of recording media for recording information on optical disks and the technology of manufacturing and replicating holographic protective elements. Investigation of the processes of super-dense recording of information in nano-sized environments and the development of optical information reading systems based on diffraction structures for biosensors. Investigation of new technological possibilities of increasing sensitivity of bio-chemical sensors based on surface plasmon resonance (SPR) and development of new sensor technologies based on optical thin-film transducers for solving practical problems of ecology, medicine and veterinary science.

Achievements

In result of comparative analysis of different methods and technologies forming nanoscale structures on the films of chalcogenide vitreous semiconductors to increase the density of information and research to optimize recording modes It have been shown that the exposure of films of chalcogenide vitreous semiconductor optical radiation focused by diffractionally limited optical systems, it must be used film with a nonlinear threshold exposure characteristic. The nonlinear threshold exposure characteristic of inorganic photoresists helps to obtain nano-sized structures on them at laser exposure for the formation of the originals of optical signalograms.
On the basis of complex studies of the characteristics of gold films on a plastic substrate as a sensitive sensory element on the basis of the surface plasmon resonance, the thickness of the gold film and the substrate material for a multi-element sensor based on the surface plasmon resonance are optimized. A model of optical data readout system from a photoconverter for a multielement immunosensor based on a surface plasmon resonance is developed.
Based on comprehensive studies of the influence of thermal annealing of gold films on the effectiveness of SPR sensors and their parameters and long-term stability shows that the best performance is achieved at annealing temperature 120 C for 30 minutes in the air. For this temperature characteristic smoothing small-scale topography gold film, which reduces the intensity of the scattering outage conditions, to reduce the rate of extinction stabilize optical characteristics and form on the surface of highly ordered Nanosized protective and stabilizing layer thiol.

Developments

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Facilities

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Projects

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Publications

2017