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Roughness measurement with laser profilometry
Mach, Radoslav ; Frk, Martin (referee) ; Hejátková, Edita (advisor)
The bachelor thesis deals with technology of laser profilometry for material roughness measurements purposes. The theoretical part deals with all aspects of the issue in an effective way and highlights the essential characteristics of used components and material roughness. The focus of this work is in first step to describe the external factors affecting the visual image processing such as increasing of environment temperature and its effect for a camera sensors. And particularly the relationship between CMOS and CCD technologies. The second step is for measuring roughness parameters of materials, such as metal, wood, rubber and plastic with three different lasers. Results demonstrate correlation between the wavelengths of the used laser lights with particular materials.
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Properties of graphenoid layers
Mach, Radoslav ; Čech, Ondřej (referee) ; Vaněk, Jiří (advisor)
Master thesis “Properties of graphenoid layers” deals with materials of graphenoid nature such as graphene, graphene oxide and its reduced state. The paper effectively summarize basic theoretical knowledge in the first half of its range. In the second half the project deals with practical part consisted of experiments with application of graphene oxide solvents, its analysis and especially comparing properties of non-reduced graphene oxide with its chemically reduced form. Material is examined in a form of applied thin layers on different substrates.
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Profilometry Measurements Of Magnetic Plates Mounted On Rotors
Mach, Radoslav
Presented project deals with optical profilometric analysis of magnetic plates positionwithin the rotors surface. The focus of this work is to determine whether measuring by laserprofilometry scanning of the surface is suitable for such an issue. Main problem is occasionalinaccurate positioning of magnetic plates which might occur in gluing of the plates duringmanufacturing process. This could lead to inhomogeneous magnetic field causing dysfunctionalproperties of the device. Results demonstrate that profilometric measurements are sufficient optionfor solving the problem, nevertheless there is need for special equipped profilometric system tomeasure and evaluate data properly.
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Roughness Measurement With Laser Profilometry
Mach, Radoslav
The project deals with technology of laser profilometry for material roughness measurements purposes. The focus of this work is measuring roughness parameters of materials, such as metal with using of different types of laser emmited light. Results demonstrate correlation between the wavelengths of the used laser lights with measurement accurancy.
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Properties Of Graphene Oxide Solutions
Mach, Radoslav
This paper deals with project based on researching of graphene oxide (GO) layers. Main subject is summarizing the basic factors having influence on graphene oxide solvents and its resultant applications on a substrate. There has been made a special substrate made of FR4 composite material for electrical measuring purposes. The goal of this project is creating of homogeneous layer for measuring physical properties of GO layers.
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Properties of graphenoid layers
Mach, Radoslav ; Čech, Ondřej (referee) ; Vaněk, Jiří (advisor)
Master thesis “Properties of graphenoid layers” deals with materials of graphenoid nature such as graphene, graphene oxide and its reduced state. The paper effectively summarize basic theoretical knowledge in the first half of its range. In the second half the project deals with practical part consisted of experiments with application of graphene oxide solvents, its analysis and especially comparing properties of non-reduced graphene oxide with its chemically reduced form. Material is examined in a form of applied thin layers on different substrates.
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|
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Roughness measurement with laser profilometry
Mach, Radoslav ; Frk, Martin (referee) ; Hejátková, Edita (advisor)
The bachelor thesis deals with technology of laser profilometry for material roughness measurements purposes. The theoretical part deals with all aspects of the issue in an effective way and highlights the essential characteristics of used components and material roughness. The focus of this work is in first step to describe the external factors affecting the visual image processing such as increasing of environment temperature and its effect for a camera sensors. And particularly the relationship between CMOS and CCD technologies. The second step is for measuring roughness parameters of materials, such as metal, wood, rubber and plastic with three different lasers. Results demonstrate correlation between the wavelengths of the used laser lights with particular materials.
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