National Repository of Grey Literature 6 records found  Search took 0.00 seconds. 
Apodization of the fibre Bragg gratings by use of phase mask UV exposition
Burian, Tomáš ; Hejátková, Edita (referee) ; Urban, František (advisor)
This thesis describes the problem of fiber gratings, focusing primarily on the use of Bragg's grids in the sensor. It describes the types of fiber mesh production, especially the method of writing with a phase mask. The next part deals with the possibilities of using apodization in fiber optic systems. It deals with the various functions that can be used to describe apodization. The following part describes the moire principle, especially the method of overlapping two phase masks with a different period.
Optimisation of welding lines switch over
Hanauer, Tomáš ; Mrňa, Libor (referee) ; Kubíček, Jaroslav (advisor)
Project worked out in the bachelor degree in 2303R002 deals with laser welding of rails on serial welding lines with focusing on reducing of the total production cost of one piece. The bachelor thesis proposes to optimize and coordinate the activities of all personnel involved in this process. This work is carried out in cooperation with Bosch Diesel s. r. o. in Jihlava.
Methods of ignition spark gaps
Pekárek, Dominik ; Štěpánek, Jaroslav (referee) ; Krbal, Michal (advisor)
This thesis deals with methods of spark gap ignition. The thesis describes spark gap ignition by external electrode, by Rogowski electrode and by lasers. Advantages and disadvantages of these methods are also discussed. In the final part of the thesis there is described experiment with high voltage spark gap.
Apodization of the fibre Bragg gratings by use of phase mask UV exposition
Burian, Tomáš ; Hejátková, Edita (referee) ; Urban, František (advisor)
This thesis describes the problem of fiber gratings, focusing primarily on the use of Bragg's grids in the sensor. It describes the types of fiber mesh production, especially the method of writing with a phase mask. The next part deals with the possibilities of using apodization in fiber optic systems. It deals with the various functions that can be used to describe apodization. The following part describes the moire principle, especially the method of overlapping two phase masks with a different period.
Methods of ignition spark gaps
Pekárek, Dominik ; Štěpánek, Jaroslav (referee) ; Krbal, Michal (advisor)
This thesis deals with methods of spark gap ignition. The thesis describes spark gap ignition by external electrode, by Rogowski electrode and by lasers. Advantages and disadvantages of these methods are also discussed. In the final part of the thesis there is described experiment with high voltage spark gap.
Optimisation of welding lines switch over
Hanauer, Tomáš ; Mrňa, Libor (referee) ; Kubíček, Jaroslav (advisor)
Project worked out in the bachelor degree in 2303R002 deals with laser welding of rails on serial welding lines with focusing on reducing of the total production cost of one piece. The bachelor thesis proposes to optimize and coordinate the activities of all personnel involved in this process. This work is carried out in cooperation with Bosch Diesel s. r. o. in Jihlava.

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