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Dissertations / Theses on the topic 'Mikroskop'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Nordlöf, Kim, and Erik Vernersson. "Multiposionskontroll för generiska mikroskop." Thesis, KTH, Tillämpad maskinteknik (KTH Södertälje), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-102438.

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2

Kolman, Pavel. "Koherencí řízený holografický mikroskop." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2010. http://www.nusl.cz/ntk/nusl-233906.

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ransmitted-light coherence-controlled holographic microscope (CCHM) based on an off-axis achromatic and space-invariant interferometer with a diffractive beamsplitter has been designed, constructed and tested. It is capable to image objects illuminated by light sources of arbitrary degree of temporal and spatial coherence. Off-axis image-plane hologram is recorded and the image complex amplitude (intensity and phase) is reconstructed numerically using fast Fourier transform algorithms. Phase image represents the optical path difference between the object and the reference arms caused by presen

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3

Jánešová, Daniela. "Spínaný zdroj pro elektronový mikroskop." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-413116.

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This thesis is about theory of switching power supplies and about a specific solution of switching power supply for electron microscope. In the beginning of the thesis are mentioned various solutions of part blocks of switching power supplies, their advanteges and disadvanteges, and their suitability for electron microscopy. In the next part of the thesis are described requirements and design scheme of switching power supply for scanning part of electron microscope. The thesis i also about technical solution and practical testing of the switching power supply and verification of its functions.

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4

Klingner, Nico. "Ionenstrahlanalytik im Helium-Ionen-Mikroskop." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-220036.

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Die vorliegende Arbeit beschreibt die Implementierung ionenstrahlanalytischer Methoden zur Charakterisierung der Probenzusammensetzung in einem Helium-Ionen-Mikroskop mit einem auf unter einen Nanometer fokussierten Ionenstrahl. Zur Bildgebung wird dieser im Mikroskop über Probenoberflächen gerastert und die lokale Ausbeute an Sekundärelektronen gemessen. Obwohl sich damit ein hoher topografischer Kontrast erzeugen lässt, lassen sich weder aus der Ausbeute noch aus der Energieverteilung der Sekundärelektronen verlässliche Aussagen zur chemischen Zusammensetzung der Probe treffen. Daher w

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Hekrlová, Kateřina. "Mikroskop pro vzájemné sesazování optických vláken." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-444979.

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The demountable splicing of optical fibres uses different types of connectors which ensures accurate position of connected fibres. If the optical fibres are aligned in free space, a view from two perpendicular viewing directions is necessary for a maximum aligning accuracy. The method of direct monitoring of optical fibres provides this possibility however, it is necessary to use two imaging systems. This problem can be solved by a special microscope, which is designed in this thesis. The microscope can visualize the alignment of optical fibres from two mutually perpendicular directions by mov

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6

Špaček, Matěj. "Návrh manipulátoru vzorku pro CCHM mikroskop." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-444981.

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In the Laboratory of the Experimental Biophotonics at Brno University of Technology, a new generation of the Coherence-Controlled Holographic Microscope (CCHM) is being developed. Because of the automation of certain microscope procedures, a fully motorized three axis computer controlled manipulator of the sample is to be employed. A fast and accurate lateral positioning in a range of several centimeters is required. For the focusing capability, very precise positioning in the optical axes is required as well. Initially, the basics of microscope manipulator design are presented. Then, commerci

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7

Rosová, Kateřina. "Justážní kolimátor pro Fluorescenční holografický mikroskop." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-392837.

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For the proper function of the Fluorescence olographic microscope, it is necessary to adjust all the optical components of the microscope. Furthermore, the precise adjustment is the very critical condition for proper imaging of the Coherence-controlled holographic microscope. Therefore, it is necessary to create a sight collimator for these microscopes for their adjustment. The fluorescence holographic microscope is based on an interference and holographic principles, whose history is mentioned in the theoretical part of the thesis. The existing state of the art of laser sight collimators and

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8

Lošťák, Martin. "Programovatelná osvětlovací soustava pro optický mikroskop." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228217.

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A programmable illuminating system (PIS) uses a commercial multimedia projector together with a suitable optical relay system in order to illuminate specimens under microscope with transmitted light. The theoretical part of the diploma thesis describes some methods used in the optical transmission microscopy. All of these methods employ physical masks placed in the condenser front focal plane. In the case of the traditional methods the masks are used to enhance contrast (e.g. dark-field illumination) and resolution (oblique illumination). One of the methods (a condenser with rotating aperture)

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9

Slabý, Tomáš. "Koherencí řízený holografický mikroskop nové generace." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-234255.

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This doctoral thesis deals with design of a new generation of coherence-controlled holographic microscope (CCHM). The microscope is based on off-axis holographic configuration using diffraction grating and allows the use of temporally and spatially incoherent illumination. In the theoretical section a new optical configuration of the microscope is proposed and conditions for different parameters of the microscope and its optical components are derived. The influence of different sources of noise on phase detection sensitivity is studied. In the next section design of experimental setup is desc

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10

Derndinger, Eberhard. "Vorstellung eines neuen Messverfahrens für dreidimensionale Aufnahmeeinheiten und seine experimentelle Überprüfung am Lichtmikroskop." Berlin Pro Business, 2005. http://deposit.ddb.de/cgi-bin/dokserv?id=2685227&prov=M&dok_var=1&dok_ext=htm.

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11

Kubátová, Eva. "Konfokální modul pro koherencí řízený holografický mikroskop." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417063.

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The Coherence Controlled Holographic Microscope (CCHM) was developed at BUT Brno for a quantitative phase imaging of living cells. Nowadays it ocurres that its imaging properties are enhanced by the use of additional modules. In the present the microscope is equipped with the epifluorescence module, which allows observation of fluorescently marked living cells. This thesis is going to follow up on the development of this module and is going to extend its options by confocal imaging. The disadvantage of current multi-channel confocal microscopes is a mechanical rotation of the Nipkow discs, whi

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12

Dostál, Zbyněk. "Automatizované procedury pro Koherencí řízený holografický mikroskop." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-256560.

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Coherence-Controlled Holographic Microscope (CCHM) and a Fluorescence Holographic Microscope (FHM) were developed particularly for quantitative phase imaging and measurement of live cell dynamics, which used to be a subject of digital holographic microscopy (DHM). CCHM and FHM in low-coherence mode extend capabilities of DHM in the study of living cells. However, this advantage following from the use of low coherence is accompanied by increased sensitivity of the system to its correct alignment. Therefore, the introduction of an automatic self-correcting system is inevitable. Accordingly, in t

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Vavřinová, Jana. "Koherencí řízený holografický mikroskop s digitální optikou." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-392857.

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The Digital Micromirror Device (DMD) technology has been developed especially for Digital Light Processing projectors, which allow the image projection. After this succesful implementation, and thanks to the commercial availibility and low initial cost of the DMD chip, a wide range of other applications became possible. Besides, it may be used in microscopy as a spatial light modulator. For example in Coherence-Controlled Holographic Microscope (CCHM) that finds its use especially for imaging and measurement of live-cell dynamic processes. The DMD chip placed in the illumination part of CCHM a

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14

Straka, Branislav. "Optická pinzeta pro koherencí řízený holografický mikroskop." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230594.

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In the master's thesis, there has been described and explained the principle of operation of the second generation coherence controlled holographic microscope (CCHM2) designed at the Brno University of Technology. There has also been listed theoretical description of the operation of the optical trap, together with the calculation of the forces acting on it, ways of measuring the stiffness of the optical trap and the principle of~creating a time-shared optical traps. The optical tweezers forming a separate module connectable to CCHM2 was designed. Simulation and optimization of parameters of t

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Juszczyk, Justyna. "Opracowanie metod pomiaru lokalnych właściwości cieplnych wykorzystujących skaningowy mikroskop cieplny." Rozprawa doktorska, Katowice : Uniwersytet Śląski, 2014. https://repolis.bg.polsl.pl/dlibra/docmetadata?showContent=true&id=44220.

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The aim of the thesis was to develop a new method of measurement, enabling the study of local thermal properties of solids with high spatial resolution. To develop the new method of measurement the scanning thermal microscope was utilized. Research carried out in the framework of this study included theoretical and numerical analysis as well as experimental work. In the first part of the thesis a model of the probe - sample system is presented, created basing on the finite element method. The model allows a comprehensive analysis of the physical processes occurring in the probe - sample syste

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Skladaný, Roman. "Návrh detektoru sekundárních elektronů pro ultravakuový elektronový mikroskop." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-402574.

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In this master’s thesis, a mechanical design of an in-column secondary electrons (SE) detector is presented. It is an ultravacuum compatible fibre-scintillation detector designed for use in an ultrahigh vacuum scanning electron microscope (UHV SEM). The designed in-column SE detector was manufactured and tested upon overcoming R&D challenges. The first section of this thesis deals with theoretical basis needed for understanding of functional principles of UHV SEM system and means of SE’s detection. In the second section, mechanical design of the in-column SE detector is described. The last sec

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Slabý, Tomáš. "Osvětlovací soustava pro konfokální mikroskop s duálním rastrováním." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228218.

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Dao, Tomáš. "Návrh nosné platformy pro nízkoteplotní UHV STM mikroskop." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231317.

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Diploma thesis deals with the design of a vibration isolated platform for low temperature scanning tunneling microscope working under ultra high vacuum (UHV STM). Cooling of the microscope is done by liquid helium using a flow cryostat designed in Institute of Scientific Instruments of the AS CR. In the thesis, general requirements of designing of an ultra high vacuum compatible devices are discussed, as well as the ways of vibrational isolation and damping. Also some ways how to restrict the transfer of vibration between vacuum devices and surroundings are mentioned. This knowledge is then ap

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19

Čermák, Jan. "Návrh automatizovaného procesu elektrolytického leštění vzorků pro elektronový mikroskop." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-444286.

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This diploma thesis deals with the automation of the electropolishing process, which is per-former as the last step in the preparation of metallographic samples intended for observation in an electron microscope. A complete hardware design of a single-purpose machine has been developed, which provides the automatic preperation of up to six samples per insertion. There was the design of a manipulator for sample handling together with chemically re-sistant sample holder suitable for automatic operation as a part of solution. The design of the whole machine was developed with regard to the safety

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Uhlář, Vít. "Víceelektrodový systém ionizačního detektoru pro environmentální rastrovací elektronový mikroskop." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2015. http://www.nusl.cz/ntk/nusl-221175.

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Thesis deals with environmental scanning electron microscopy and with detection of signal electrons by using ionization detector. First part talks about the principle of environmental scanning electron microscope. Second part describes signals generated by interaction of primary electron beam with sample. Third section explains the principle of impact ionization and ionization detector. Experimental part deals with usage of segmental ionization detector and with measuring of signal amplification from copper and platinum. Thesis also examines arrangement of electrodes of ionisation detector on

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Křížová, Aneta. "Koherencí řízený holografický mikroskop ve výzkumu životního cyklu buňky." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230277.

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The goal of this diploma thesis was using of a coherence-controlled holographic microscope in cell’s life research. A brief history of interference microscopy and it’s applications in biology is described. Also other microscopy techniques routinely used for transparent objects imaging are mentioned and the biology of cell’s life cycle briefly explained. Characteristics describing the shape of a cell were proposed and tested with respect to identification of particular phases of its life cycle. The method of dynamic phase differences was modified in order to distinguish the internal motion of c

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Odehnal, Adam. "Scintilační detektor sekundárních elektronů pro environmentální rastrovací elektronový mikroskop." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-242063.

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Thesis deals with theoretical knowledge about scanning electron microscopy and environmental scanning electron microscopy. It describes principle of operation, signals generated by interaction between primary electron beam and specimen and means of detection of secondary electron signal in environmental conditions using scintillation detector. Furthermore, thesis focuses on optimization of detection od secondary electrons by adjusting electrode system of scintillation detector. Computer program Simion is used for modelling signal electron trajectories for proper adjustments. Simulation were st

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Juszczyk, Justyna. "Opracowanie metod pomiaru lokalnych właściwości cieplnych wykorzystujących skaningowy mikroskop cieplny." Doctoral thesis, Katowice : Uniwersytet Śląski, 2014. http://hdl.handle.net/20.500.12128/5612.

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The aim of the thesis was to develop a new method of measurement, enabling the study of local thermal properties of solids with high spatial resolution. To develop the new method of measurement the scanning thermal microscope was utilized. Research carried out in the framework of this study included theoretical and numerical analysis as well as experimental work. In the first part of the thesis a model of the probe - sample system is presented, created basing on the finite element method. The model allows a comprehensive analysis of the physical processes occurring in the probe - sample syste

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Goroš, Pavel. "Kontrast v obraze získaném pomocí ionizačního detektoru ve VP SEM." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219043.

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This work deal with problems of investigation materials electron beam. This project is focuses on investigation materials by the help of method environmental scan electron microscopy (ESEM) and describes her patterns. The perfection of ESEM excel above all at studies non - conducting or water containing, often biological samples. These samples not to be in no way prepared or cut – and – dries, in contradistinction to classical scanning electron microscope and thanks is under investigation their native surface structure without desiccation breaking. The general aim is determination of contrast

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Lackinger, Markus. "Untersuchung organischer Adsorbate auf kristallinen Substraten mit dem Raster-Tunnel-Mikroskop." Doctoral thesis, Universitätsbibliothek Chemnitz, 2003. http://nbn-resolving.de/urn:nbn:de:swb:ch1-200301396.

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Gegenstand der vorliegenden Arbeit sind ultradünne Filme organischer Moleküle auf anorganischen Substraten. Adsorbate wurden in Bedeckungen von Submonolagen bis hin zu Multilagen mittels Raster-Tunnel-Mikroskopie und Spektroskopie untersucht. Ergänzt wurde die Strukturaufklärung durch die Beugung niederenergetischer Elektronen (LEED). Im Mittelpunkt stehen in-situ Untersuchungen von im UHV aufgedampften Schichten. Darüberhinaus werden Experimente zur Erzeugung, Abbildung und Manipulation selbstassemblierter Monolagen an der flüssig-fest Grenzfläche beschrieben. Als Modell-Substanzen wurden

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Přichystal, Vít. "Návrh scintilačního detektoru s jednou clonkou pro enviromentální elektronový rastrovací mikroskop." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-220570.

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The thesis is focused on the design of a scintillation detector with one screen for environmental scanning electron microscope. At the beginning of the work is an introduction to microscopy. Further work is focused on the description of ESEM microscope and a scintillation detector. The following chapter is devoted to the dynamics of flow. They list the types of flow and mathematical description of equations. The next chapter is about using the software and the way of solution of flow. In the following chapter describes a proposal of the diaphragm and extraction method of the detector area. The

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Trnkócy, Tomáš. "Návrh a realizace testovacího zařízení manipulačního mechanismu vzorku pro elektronový mikroskop." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230625.

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Práce se zabývá návrhem a implementací testovacího zařízení pro manipulačnínmechanismus vzorku v elektronovém mikroskopu. Testovací zařízení a jeho software zajištuje meření několika parametrů mechanismu, jejich statistické vyhodnocení a porovnání se specifikací. Cílem je vytvořit komplexní testovací zařízení s jednoduchým uživatelským rozhraním, s požadavkem náhrady stávajícího nemodulárního a nestabilního řešení a jeho rozšíření o testování dalších parametrů.

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Bílek, Michal. "Analýza tvaru sacích kanálů současné koncepce diferenciálně čerpané komory." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2015. http://www.nusl.cz/ntk/nusl-221313.

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This master´s thesis discusses the analysis of the shape of the intake ports of differentially pumped chamber for the current concept. The first part is an introduction to the microscopy issue, then it is focused on ESEM microscopes and it also includes a describtion of the Flow dynamics and a mathematical describtion. In the following chapters the software Solid Works, where the model of differentially pumped chamber is created, and the software Ansys Fluent, which is used for analysis, are described. The second part concerns the proposed concepts and the results of their simulations. At the

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Johansson, Arvid, and David Johansson. "Inledande studie inför utveckling av ett virtuellt mikroskop för utbildning inom livsvetenskaperna." Thesis, KTH, Biomedicinsk fysik och röntgenfysik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-31751.

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Forskning med hjälp av mikroskopi har med tiden ställt mer specialicerade krav på utrustning som används. Utrustningen har blivit mer bättre men samtidigt också dyrare. En hög kostnad innebär att avancerad mikroskopi inte kan användas som ett utbildningsverktyg inom grundutbildning. Dagens studenter tvingas på så sätt förberedas för framtidens forskning genom att använda gårdagens utrustning. I detta arbete visar vi hur virtuell mikroskopi kan användas för utbildning och forskning. Virtuell mikroskopi kan användas som komplement, eller möjligtvis ersättning, för befintlig undervisning. Vi har

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Diem, Esther [Verfasser], and Björn [Akademischer Betreuer] Ellger. "Kontrollierbares Infektionsrisiko? : eine Intensivstation unter dem Mikroskop / Esther Diem. Betreuer: Björn Ellger." Münster : Universitäts- und Landesbibliothek der Westfälischen Wilhelms-Universität, 2012. http://d-nb.info/1027021921/34.

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Novotný, Marek. "Vyhodnocení vlivu tvaru otvorů clonek na výsledný tlak na dráze sekundárních elektronů v detektoru pomocí systému CAE." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219193.

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This diploma thesis deals with electron microscopy. Examined equipment is environmental scanning electron microscope (ESEM), namely scintillation a detector of the microscope. There is solved the influence of the profile of holes in diaphragms to the resulting pressure and gas flow on the path of secondary electrons at the detector. Introductory part of thesis informs about microscopy in general, with concentration on electron microscopy; especially on scanning microscope, because research is taken just on the environmental scanning electron microscope. Another part informs about both general

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Aigner, Simon. "Magnetic field microscopy using ultracold atoms." [S.l. : s.n.], 2007. http://nbn-resolving.de/urn:nbn:de:bsz:16-opus-79425.

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Blohmer, Jens-Uwe. "Kontrastmittel-Videodensitometrie und automatisierte Mikroskop-Bildanalyse zur Messung der Durchblutung und Vaskularisation von Mammakarzinomen." Doctoral thesis, [S.l.] : [s.n.], 2000. http://deposit.ddb.de/cgi-bin/dokserv?idn=959805427.

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Ihlow, Alexander. "Ein Hochdurchsatz-Screeningsystem zur Objekterkennung in Mikroskop-Farbbildern im Rahmen der Analyse pflanzlicher Pathogenresistenz." [S.l.] : [s.n.], 2006. http://www.gbv.de/dms/ilmenau/toc/515482250.PDF.

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Havlíček, Petr. "Design elektronového mikroskopu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229634.

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The aim of my Master's thesis is the design of a scanning electron microscope. The designed concept presents an innovative approach to the problems and respects all technical, ergonomic and aesthetical demands made on it. The main creative part of design process starting from the concept development and ending up with the final solution is preceded by a background research study including a historical, technical and design analysis of the electron microscope. The conclusion of my Master's thesis analyses the final design, its character and its contribution in broader context.

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Švajdová, Anna. "Design elektronového mikroskopu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-319480.

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The theme of this diploma thesis is the design of a scanning electron microscope with a focused ion beam. Specifically, the thesis is focused on the design of the microscope covers and the adjacent workplace of the operator for Tescan Orsay Holding a.s.. Design is solved as the first proposal aimed at future innovation of the design of the entire product line.

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Dussler, Gerd [Verfasser]. "Strategien zur Visualisierung mikroskopischer Bauteile und Strukturen mit einem konfokalen Laser-Scanning-Mikroskop / Gerd Dussler." Aachen : Shaker, 2003. http://d-nb.info/1179023730/34.

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Klingner, Nico Verfasser], Jürgen [Akademischer Betreuer] [Gutachter] Faßbender, and Armin [Gutachter] [Gölzhäuser. "Ionenstrahlanalytik im Helium-Ionen-Mikroskop / Nico Klingner ; Gutachter: Jürgen Faßbender, Armin Gölzhäuser ; Betreuer: Jürgen Faßbender." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://d-nb.info/112803669X/34.

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Klingner, Nico [Verfasser], Jürgen Akademischer Betreuer] [Gutachter] Faßbender, and Armin [Gutachter] [Gölzhäuser. "Ionenstrahlanalytik im Helium-Ionen-Mikroskop / Nico Klingner ; Gutachter: Jürgen Faßbender, Armin Gölzhäuser ; Betreuer: Jürgen Faßbender." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://d-nb.info/112803669X/34.

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Klingner, Nico [Verfasser], Jürgen [Akademischer Betreuer] Faßbender, and Armin [Gutachter] Gölzhäuser. "Ionenstrahlanalytik im Helium-Ionen-Mikroskop / Nico Klingner ; Gutachter: Jürgen Faßbender, Armin Gölzhäuser ; Betreuer: Jürgen Faßbender." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://d-nb.info/112803669X/34.

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Melichárek, Václav. "Návrh manipulátoru pro TEM." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417138.

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The topic of this master’s thesis is the design of a sample manipulator for TEM. Regarding which the segment of the sample manipulator used to move the sample in the direction of the x-axis (so-called x-stage) was designed. The introductory theoretical part is concerned with a brief description of transmission electron microscopy focused on the imaging methods used in TEM and the procedures of preparing and loading TEM samples. The theoretical part follows with the design of precise mechanisms, especially with respect to the inaccuracies of their operation and the technological aspect of the d

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Robotka, Jan. "Komunikační a řídicí karta k elektronovému mikroskopu." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219056.

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The main aim of this thesis is to design a communication and control card for an electron microscope, eventually for other equipments of the company Delong Instruments a.s., which is dealing with its development and production. This card should replace existing communication card because of its low computational performance. Also, it should replace control and measure card manned with A/D and D/A converters. Thus, the new card will be providing not only the communication with a superior PC and other electronic systems, but also the control of other subsystems of the electron microscope, the de

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Týč, Matěj. "Trojrozměrná rekonstrukce obrazu v digitální holografické mikroskopii." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-234389.

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This thesis deals with the topic of 3D image processing for digital holographic microscopy - numerical refocusing. This method allows to perform mathematically accurate defocus correction on image of a sample captured away from the sample plane and it was applicable only for images that were made made using coherent illumination source. It has been generalized to a form in which it is also applicable to devices that use incoherent (non-monochromatic or extended) illumination sources. Another presented achievement concerns hologram processing. The advanced hologram processing method enables obt

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Smital, Petr. "Analýza obrazu pro korekci elektronových mikroskopů." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219238.

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This thesis describes the physical nature of corrections of an electron microscope and mathematical methods of image processing required for their complete automation. The corrections include different types of focusing, astigmatism correction, electron beam centring, and image stabilisation. The mathematical methods described in this thesis include various methods of measuring focus and astigmatism, with and without using the Fourier transform, edge detection, histogram operations, and image registration, i.e. detection of spatial transformations in images. This thesis includes detailed descr

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Hänseler, Marianne. "Metapher unter dem Mikroskop die epistemische Rolle von Metaphorik in den Wissenschaften und in Robert Kochs Bakteriologie." Zürich Chronos, 2007. http://deposit.d-nb.de/cgi-bin/dokserv?id=3119370&prov=M&dok_var=1&dok_ext=htm.

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Matela, Milan. "Konstrukční úpravy koherencí řízeného holografického mikroskopu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230612.

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The aim of diploma thesis are modifications in mechanical design of the coherence controlled holographic microscope which will lead to reduction of some deficiencies. In this thesis there is a brief description of the history interference microscopy and differences between each types of interference microscopes. In this work there are stated some design deficiencies of actual condition of the microscope and also several solutions are suggested and shortly described. Then the best solution is chosen which is adjusted to a final form. It is described in detail and then realized. There is a summa

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Habarka, Ondrej. "Úprava nanomanipulátoru používaného v elektronovém mikroskopu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-254391.

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Cílem této diplomové práce je zlepšit chování nanomanipulátoru, používaného v elektronovém mikroskopu, při vykonávaní nejmenších kroků pohybu. První částí je analýza mechanismu za účelem nalezení možných řešení problému. Dále se práce zabývá testováním řešení jako je optimalizace tuhosti předepínacích pružin mechanismu anebo změna mazání šnekového převodu mechanismu. Výsledkem práce je výběr nejvhodnějšího řešení problému na základě výsledků testů a následná modifikace nanomanipulátoru.

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Vičar, Tomáš. "Sledování buněk v obrazech z holografického mikroskopu." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-242058.

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This thesis focuses on cell tracking in image sequences acquired using a multimodal holographic microscope (MHM). The principles of holographic microscopy are described together with the application in cells acquisition. The main part of the thesis describes a complete approach for segmentation and tracking of single cells in acquired in long-term sequences. The approach is designed based on parametric active contour models with specific modifications to achieve reasonable precision and robustness. The implemented method is described in detail, including the evaluation and demonstration of res

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Prokop, Martin. "Měření vlivu bezdrátových technologií na TEM." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2018. http://www.nusl.cz/ntk/nusl-376902.

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The purpose of this diploma thesis is to research and compare available wireless communication technologies (frequency, modulation type, transmission speed and consumption). Describe transmission electron microscopes theory and deduce the most sensitive microscope parts to high frequency distortion. Investigate effect of wireless technology on CE standards and come up with, perform and evaluate the influence measurement of chosen technologies on base parameters of transmission electron microscope.

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Björk, Josefin. "Erytrocytinnehåll i plasmakomponenter : En jämförelse mellan teststickan Multistix, hematologiinstrumentet Advia 2120 och manuell räkning i mikroskop med Bürkers räknekammare." Thesis, Linnéuniversitetet, Institutionen för kemi och biomedicin (KOB), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-74812.

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Efter tappning av 450 mL helblod från frivilliga blodgivare separeras blodet till plasma, erytrocyter och trombocyter. Kontroller tas för att undersöka komponentframställningens resultat. I plasmaenheterna kontrolleras bland annat att antalet erytrocyter är under 6x109 per liter. Helblod innehåller normalt 4-6x1012 erytrocyter per liter. Massiv blödning är den främsta indikationen för plasmatransfusion. En transfusion är förknippad med risker såsom transfusion related acute lung injury (TRALI) och transfusion associated circulatory overload (TACO). Syftet med examensarbetet var att hitta en be

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