https://www.imt.kit.edu/wiki/api.php?action=feedcontributions&feedformat=atom&user=Alexander.Opolka 2026-05-15T06:51:06Z User contributions MediaWiki 1.39.17 https://www.imt.kit.edu/wiki/index.php?title=Doktorandensprecher_-_Phd_Representative&diff=7016 2019-06-03T10:54:58Z

<p>Alexander.Opolka: </p> <hr /> <div><br /> <br /> All important information about the PhD representatives is available here.<br /> <br /> <br /> ==Aktuelle Doktorandensprecher - Current PhD representatives==<br /> <br /> [[User:Vitor.Vlnieska|Vitor Vlnieska]] and [[User:Andrey.Mikhaylov|Andrey Mikhaylov]]<br /> <br /> ====Doggiespeaker Vitor Vlnieska====<br /> [[File:Vitor.Vlnieska.jpg|140px|thumb|left|Doggiespeaker Vitor Vlnieska]]<br /> mailto:vitor.vlnieska@kit.edu<br /> <br /> Deputy from 29.10.2018 - 28.05.2019&lt;br&gt;<br /> Doggiespeaker from 28.05.2019 - ...<br /> <br /> &lt;br /&gt;<br /> &lt;br /&gt;<br /> <br /> <br /> ====Deputy Doggiespeaker Andrey Mikhaylov====<br /> [[File:Andrey.Mikhaylov.jpg|140px|thumb|left|Deputy Doggiespeaker Andrey Mikhaylov]]<br /> mailto:andrey.mikhaylov@kit.edu<br /> <br /> Deputy from 28.05.2019 - ...&lt;br&gt;<br /> <br /> &lt;br /&gt;<br /> &lt;br /&gt;<br /> <br /> <br /> ==Ehemalige Doktorandensprecher - Former PhD representatives==<br /> <br /> <br /> [[User:Alexander.Opolka|Alexander Opolka]]&lt;br&gt;<br /> Deputy from 08.05.2018 - 29.10.2018&lt;br&gt;<br /> Doggiespeaker from 29.10.2018 - 28.05.2019<br /> <br /> <br /> [[User:Tim.Finkbeiner|Tim Finkbeiner]]&lt;br&gt;<br /> Deputy from 26.10.2017 - 08.05.2018&lt;br&gt;<br /> Doggiespeaker from 08.05.2018 - 29.10.2018<br /> <br /> <br /> [[User:Malte.Langenhorst|Malte Langenhorst]]&lt;br&gt;<br /> Deputy from 01.02.2017 - 26.10.2017&lt;br&gt;<br /> Doggiespeaker from 26.10.2017 - 08.05.2018 <br /> <br /> <br /> [[user:Patrick.Doll|Patrick Doll]]&lt;br&gt;<br /> Deputy from 14.07.2016 - 01.02.2017&lt;br&gt;<br /> Doggiespeaker from 01.02.2017 - 26.10.2017 <br /> <br /> <br /> [[user:Michael.Oldenburg|Michael Oldenburg]]&lt;br&gt;<br /> Deputy from 27.01.2016 - 27.07.2016&lt;br&gt;<br /> Doggiespeaker from 19.01.2016 - 14.07.2016 <br /> <br /> <br /> [[user:Tobias.Schröter|Tobias Schröter]]&lt;br&gt;<br /> Deputy from 27.01.2016 - 27.07.2016&lt;br&gt;<br /> Doggiespeaker from 19.01.2016 - 14.07.2016 <br /> <br /> <br /> [[user:Andrea.Fischer|Andrea Fischer]]&lt;br&gt;<br /> Deputy from 20.03.2015 - 14.01.2016&lt;br&gt;<br /> Doggiespeaker from 19.01.2016 - 14.07.2016 <br /> <br /> <br /> [[user:Sebastian.Ecken|Sebastian von der Ecken]]&lt;br&gt;<br /> Deputy from 15.01.2015 - 19.03.2015&lt;br&gt;<br /> Doggiespeaker from 20.03.2015 - 19.01.2016<br /> <br /> ==Verantwortlichkeiten - Responsibilities==<br /> * Welcome new PhDs<br /> * Distribute responsibilities of several coffers (PhD coffer, KICKER coffer, coffee, beverages)<br /> * [[Add fotos of graduated Doggies to Hall of Fame]]<br /> * Invitation to PhD exams and taking fotos.<br /> * Represent Doggies towards the heads of the insitute.<br /> * Listen to problems of other Doggies :)<br /> * Take care of this side<br /> <br /> <br /> {{Suchbegriffe|Problem, Doktorand, Kummer, Klagemauer}}<br /> <br /> <br /> <br /> [[Category:Doktoranden - PhD Students]]</div>

Alexander.Opolka https://www.imt.kit.edu/wiki/index.php?title=Doktorandensprecher_-_Phd_Representative&diff=7015 2019-06-03T10:54:14Z

<p>Alexander.Opolka: </p> <hr /> <div><br /> <br /> All important information about the PhD representatives is available here.<br /> <br /> <br /> ==Aktuelle Doktorandensprecher - Current PhD representatives==<br /> <br /> [[User:Vitor.Vlnieska|Vitor Vlnieska]] and [[User:Andrey.Mikhaylov|Andrey Mikhaylov]]<br /> <br /> ====Doggiespeaker Vitor Vlnieska====<br /> [[File:Vitor.Vlnieska.jpg|140px|thumb|left|Deputy Doggiespeaker Vitor Vlnieska]]<br /> mailto:vitor.vlnieska@kit.edu<br /> <br /> Deputy from 29.10.2018 - 28.05.2019&lt;br&gt;<br /> Doggiespeaker from 28.05.2019 - ...<br /> <br /> &lt;br /&gt;<br /> &lt;br /&gt;<br /> <br /> <br /> ====Deputy Doggiespeaker Andrey Mikhaylov====<br /> [[File:Andrey.Mikhaylov.jpg|140px|thumb|left|Deputy Doggiespeaker Andrey Mikhaylov]]<br /> mailto:andrey.mikhaylov@kit.edu<br /> <br /> Deputy from 28.05.2019 - ...&lt;br&gt;<br /> <br /> &lt;br /&gt;<br /> &lt;br /&gt;<br /> <br /> <br /> ==Ehemalige Doktorandensprecher - Former PhD representatives==<br /> <br /> <br /> [[User:Alexander.Opolka|Alexander Opolka]]&lt;br&gt;<br /> Deputy from 08.05.2018 - 29.10.2018&lt;br&gt;<br /> Doggiespeaker from 29.10.2018 - 28.05.2019<br /> <br /> <br /> [[User:Tim.Finkbeiner|Tim Finkbeiner]]&lt;br&gt;<br /> Deputy from 26.10.2017 - 08.05.2018&lt;br&gt;<br /> Doggiespeaker from 08.05.2018 - 29.10.2018<br /> <br /> <br /> [[User:Malte.Langenhorst|Malte Langenhorst]]&lt;br&gt;<br /> Deputy from 01.02.2017 - 26.10.2017&lt;br&gt;<br /> Doggiespeaker from 26.10.2017 - 08.05.2018 <br /> <br /> <br /> [[user:Patrick.Doll|Patrick Doll]]&lt;br&gt;<br /> Deputy from 14.07.2016 - 01.02.2017&lt;br&gt;<br /> Doggiespeaker from 01.02.2017 - 26.10.2017 <br /> <br /> <br /> [[user:Michael.Oldenburg|Michael Oldenburg]]&lt;br&gt;<br /> Deputy from 27.01.2016 - 27.07.2016&lt;br&gt;<br /> Doggiespeaker from 19.01.2016 - 14.07.2016 <br /> <br /> <br /> [[user:Tobias.Schröter|Tobias Schröter]]&lt;br&gt;<br /> Deputy from 27.01.2016 - 27.07.2016&lt;br&gt;<br /> Doggiespeaker from 19.01.2016 - 14.07.2016 <br /> <br /> <br /> [[user:Andrea.Fischer|Andrea Fischer]]&lt;br&gt;<br /> Deputy from 20.03.2015 - 14.01.2016&lt;br&gt;<br /> Doggiespeaker from 19.01.2016 - 14.07.2016 <br /> <br /> <br /> [[user:Sebastian.Ecken|Sebastian von der Ecken]]&lt;br&gt;<br /> Deputy from 15.01.2015 - 19.03.2015&lt;br&gt;<br /> Doggiespeaker from 20.03.2015 - 19.01.2016<br /> <br /> ==Verantwortlichkeiten - Responsibilities==<br /> * Welcome new PhDs<br /> * Distribute responsibilities of several coffers (PhD coffer, KICKER coffer, coffee, beverages)<br /> * [[Add fotos of graduated Doggies to Hall of Fame]]<br /> * Invitation to PhD exams and taking fotos.<br /> * Represent Doggies towards the heads of the insitute.<br /> * Listen to problems of other Doggies :)<br /> * Take care of this side<br /> <br /> <br /> {{Suchbegriffe|Problem, Doktorand, Kummer, Klagemauer}}<br /> <br /> <br /> <br /> [[Category:Doktoranden - PhD Students]]</div>

Alexander.Opolka https://www.imt.kit.edu/wiki/index.php?title=User:Alexander.Opolka&diff=6782 2018-06-05T09:33:26Z

<p>Alexander.Opolka: </p> <hr /> <div>[[file:Alexander_Opolka_wiki.jpg|thumb|120x154px|Alexander Opolka]]<br /> &lt;!--[[User:{{PAGENAME}}/English|English Version]]--&gt;<br /> &lt;!--<br /> Falls ein Bild angezeigt werden soll, muss die entsprechende Datei erst hochgeladen werden.<br /> Dies ermöglicht die Seitenleiste &quot;werkzeuge -&gt; Datei hochladen&quot;.<br /> Bitte achtet auf Datei- und Bildgröße, ideal wäre &lt;100kB und z.B. 120×160px<br /> --&gt;<br /> == Alexander Opolka ==<br /> <br /> '''Department''': [[F&amp;E3-XOM]]<br /> <br /> '''Field of work''': X-ray lenses<br /> <br /> '''Building''': 307<br /> <br /> '''Room''': 339<br /> <br /> '''Phone''': 0721-608-22786<br /> <br /> '''E-mail''': alexander.opolka@kit.edu<br /> <br /> == Job Description ==<br /> Developing multi-focus compound refractive X-ray lenses<br /> <br /> The field of view of X-ray microscopes based on a single compound refractive lens (CRL) is limited to a few hundred micrometers. This is due to the high ratio of lens length to lens aperture (approx. 100). One way to increase the field of view would be to arrange multiple CRLs in a lens array. However, to date, no multi-focus CRL arrays have been developed in which every lens is directed at the same point in the sample plane at the optical axis. <br /> <br /> Multi-focus CRLs for X-rays might prove useful in two fields. One is full-field X-ray microscopy with X-ray tubes, where several pictures of a sample could be taken from slightly different angles. In this way, the relatively long exposure time (currently on the order of hours) could be reduced dramatically (in the case of a 5 x 5 lens array, to minutes). This would result in practicable exposure times for full-field X-ray microscopy in materials science laboratories. A second possible application for multi-focus CRLs would be in computer-assisted tomography (CAT) at synchrotron sources. Because high-resolution CAT images require pictures from many different angles, reducing the number of sample rotations needed would be a clear advantage. By combining a multi-focus CRL with a suitable condenser, pictures could be taken simultaneously from different angles before rotating the sample, thus considerably reducing the total exposure time. Ultimately, multi-focus CRLs could also benefit the X-ray microscope setup MiQA at the KIT synchrotron (Image beamline) by broadening its scope of application and reducing costs. <br /> <br /> == Expertise ==<br /> <br /> === Devices ===<br /> <br /> *Optical microscope<br /> *SEM<br /> *Hot-plates<br /> *Vacuum Oven<br /> *MiQA<br /> <br /> === Processes ===<br /> <br /> *LIGA exposure<br /> *PEB<br /> *Development<br /> <br /> === Software ===<br /> <br /> *MATLAB<br /> *Origin<br /> *Zemax<br /> *Solid Edge<br /> <br /> &lt;!--<br /> == Trivia==<br /> * Member of the [[Karlsruhe School of Optics &amp; Photonics (KSOP)]]<br /> --&gt;<br /> <br /> &lt;!-- Optionale Einträge wie Veröffentlichungen und Vorträge andere Wunschthemen --&gt;<br /> <br /> &lt;!-- Weitere Kategorien: FuEX, --&gt;<br /> [[Category:Doktoranden - PhD Students]]<br /> [[Category:F&amp;E3-XOM]]<br /> [[Category:KSOP]]</div>

Alexander.Opolka https://www.imt.kit.edu/wiki/index.php?title=User:Alexander.Opolka&diff=6781 2018-06-05T09:32:50Z

<p>Alexander.Opolka: </p> <hr /> <div>[[file:Alexander_Opolka_wiki.jpg|thumb|120x154px|Alexander Opolka]]<br /> &lt;!--[[User:{{PAGENAME}}/English|English Version]]--&gt;<br /> &lt;!--<br /> Falls ein Bild angezeigt werden soll, muss die entsprechende Datei erst hochgeladen werden.<br /> Dies ermöglicht die Seitenleiste &quot;werkzeuge -&gt; Datei hochladen&quot;.<br /> Bitte achtet auf Datei- und Bildgröße, ideal wäre &lt;100kB und z.B. 120×160px<br /> --&gt;<br /> == Alexander Opolka ==<br /> <br /> '''Department''': [[F&amp;E3-XOM]]<br /> <br /> '''Field of work''': X-ray lenses<br /> <br /> '''Building''': 307<br /> <br /> '''Room''': 339<br /> <br /> '''Phone''': 0721-608-22786<br /> <br /> '''E-mail''': alexander.opolka@kit.edu<br /> <br /> == Job Description ==<br /> Developing multi-focus compound refractive X-ray lenses<br /> <br /> The field of view of X-ray microscopes based on a single compound refractive lens (CRL) is limited to a few hundred micrometers. This is due to the high ratio of lens length to lens aperture (approx. 100). One way to increase the field of view would be to arrange multiple CRLs in a lens array. However, to date, no multi-focus CRL arrays have been developed in which every lens is directed at the same point in the sample plane at the optical axis. <br /> <br /> Multi-focus CRLs for X-rays might prove useful in two fields. One is full-field X-ray microscopy with X-ray tubes, where several pictures of a sample could be taken from slightly different angles. In this way, the relatively long exposure time (currently on the order of hours) could be reduced dramatically (in the case of a 5 x 5 lens array, to minutes). This would result in practicable exposure times for full-field X-ray microscopy in materials science laboratories. A second possible application for multi-focus CRLs would be in computer-assisted tomography (CAT) at synchrotron sources. Because high-resolution CAT images require pictures from many different angles, reducing the number of sample rotations needed would be a clear advantage. By combining a multi-focus CRL with a suitable condenser, pictures could be taken simultaneously from different angles before rotating the sample, thus considerably reducing the total exposure time. Ultimately, multi-focus CRLs could also benefit the X-ray microscope setup MiQA at the KIT synchrotron (Image beamline) by broadening its scope of application and reducing costs. <br /> <br /> == Expertise ==<br /> <br /> === Devices ===<br /> <br /> *Optical microscope<br /> *SEM<br /> *Hot-plates<br /> *Vacuum Oven<br /> *MiQA<br /> <br /> === Processes ===<br /> <br /> *LIGA exposure<br /> *PEB<br /> *Development<br /> <br /> === Software ===<br /> <br /> *MATLAB<br /> *Origin<br /> *Zemax<br /> *Solid Edge<br /> <br /> &lt;!--<br /> == Trivia==<br /> * Member of the [[Karlsruhe School of Optics &amp; Photonics (KSOP)]]<br /> --&gt;<br /> <br /> &lt;!-- Optionale Einträge wie Veröffentlichungen und Vorträge andere Wunschthemen --&gt;<br /> <br /> &lt;!-- Weitere Kategorien: FuEX, --&gt;<br /> [[Category:Doktoranden - PhD Students]]<br /> [[Category:F&amp;E3]]<br /> [[Category:KSOP]]</div>

Alexander.Opolka https://www.imt.kit.edu/wiki/index.php?title=User:Alexander.Opolka&diff=6308 2017-08-24T11:59:28Z

<p>Alexander.Opolka: </p> <hr /> <div>[[file:Alexander_Opolka_wiki.jpg|thumb|120x154px|Alexander Opolka]]<br /> &lt;!--[[User:{{PAGENAME}}/English|English Version]]--&gt;<br /> &lt;!--<br /> Falls ein Bild angezeigt werden soll, muss die entsprechende Datei erst hochgeladen werden.<br /> Dies ermöglicht die Seitenleiste &quot;werkzeuge -&gt; Datei hochladen&quot;.<br /> Bitte achtet auf Datei- und Bildgröße, ideal wäre &lt;100kB und z.B. 120×160px<br /> --&gt;<br /> == Alexander Opolka ==<br /> <br /> '''Funktionsbereich''': [[F&amp;E3-XOM]]<br /> <br /> '''Field of work''': X-ray lenses<br /> <br /> '''Building''': 307<br /> <br /> '''Room''': 339<br /> <br /> '''Phone''': 0721-608-22786<br /> <br /> '''E-mail''': alexander.opolka@kit.edu<br /> <br /> == Tätigkeitsbeschreibung ==<br /> Ich beschäftige mich mit LIGA-gefertigten Röntgenlinsen. Speziell interessiere ich mich für Multi-Röntgenlinsen, die sowohl am Synchrotron als auch an einer Röntgenröhre zum Einsatz kommen können. <br /> &lt;!--<br /> == Fertigkeiten/Kenntnisse ==<br /> <br /> === Geräte ===<br /> <br /> === Prozesse ===<br /> <br /> === Materialien ===<br /> <br /> <br /> == Software skills ==<br /> --&gt;<br /> <br /> == Trivia==<br /> * Member of the [[Karlsruhe School of Optics &amp; Photonics (KSOP)]]<br /> <br /> &lt;!-- Optionale Einträge wie Veröffentlichungen und Vorträge andere Wunschthemen --&gt;<br /> <br /> &lt;!-- Weitere Kategorien: FuEX, --&gt;<br /> [[Category:Doktoranden - PhD Students]]<br /> [[Category:F&amp;E3]]<br /> [[Category:KSOP]]</div>

Alexander.Opolka https://www.imt.kit.edu/wiki/index.php?title=User:Alexander.Opolka&diff=6052 2017-03-17T07:10:59Z

<p>Alexander.Opolka: </p> <hr /> <div>[[file:Alexander_Opolka_wiki.jpg|thumb|120x154px|Alexander Opolka]]<br /> &lt;!--[[User:{{PAGENAME}}/English|English Version]]--&gt;<br /> &lt;!--<br /> Falls ein Bild angezeigt werden soll, muss die entsprechende Datei erst hochgeladen werden.<br /> Dies ermöglicht die Seitenleiste &quot;werkzeuge -&gt; Datei hochladen&quot;.<br /> Bitte achtet auf Datei- und Bildgröße, ideal wäre &lt;100kB und z.B. 120×160px<br /> --&gt;<br /> == Alexander Opolka ==<br /> <br /> '''Funktionsbereich''': [[F&amp;E3-XOM]]<br /> <br /> '''Field of work''': X-ray lenses<br /> <br /> '''Building''': 307<br /> <br /> '''Room''': 339<br /> <br /> '''Phone''': 0721-608-22786<br /> <br /> '''E-mail''': alexander.opolka@kit.edu<br /> <br /> &lt;!--<br /> == Job description ==<br /> <br /> == Fertigkeiten/Kenntnisse ==<br /> <br /> === Geräte ===<br /> <br /> === Prozesse ===<br /> <br /> === Materialien ===<br /> <br /> == Software skills ==<br /> --&gt;<br /> <br /> == Trivia==<br /> * Member of the [[Karlsruhe School of Optics &amp; Photonics (KSOP)]]<br /> <br /> &lt;!-- Optionale Einträge wie Veröffentlichungen und Vorträge andere Wunschthemen --&gt;<br /> <br /> &lt;!-- Weitere Kategorien: FuEX, --&gt;<br /> [[Category:Doktoranden - PhD Students]]<br /> [[Category:F&amp;E3]]<br /> [[Category:KSOP]]</div>

Alexander.Opolka https://www.imt.kit.edu/wiki/index.php?title=User:Alexander.Opolka&diff=5808 2016-12-09T10:16:30Z

<p>Alexander.Opolka: Created page with &quot;Alexander Opolka &lt;!--English Version--&gt; &lt;!-- Falls ein Bild angezeigt werden soll, muss die en...&quot;</p> <hr /> <div>[[file:Alexander_Opolka_wiki.jpg|thumb|120x154px|Alexander Opolka]]<br /> &lt;!--[[User:{{PAGENAME}}/English|English Version]]--&gt;<br /> &lt;!--<br /> Falls ein Bild angezeigt werden soll, muss die entsprechende Datei erst hochgeladen werden.<br /> Dies ermöglicht die Seitenleiste &quot;werkzeuge -&gt; Datei hochladen&quot;.<br /> Bitte achtet auf Datei- und Bildgröße, ideal wäre &lt;100kB und z.B. 120×160px<br /> --&gt;<br /> == Alexander Opolka ==<br /> <br /> '''Funktionsbereich''': [[F&amp;E3-XOM]]<br /> <br /> '''Field of work''': X-ray lenses<br /> <br /> '''Building''': 307<br /> <br /> '''Room''': 339<br /> <br /> '''Phone''': 0721-608-22786<br /> <br /> '''E-mail''': alexander.opolka@partner.kit.edu<br /> <br /> &lt;!--<br /> == Job description ==<br /> <br /> == Fertigkeiten/Kenntnisse ==<br /> <br /> === Geräte ===<br /> <br /> === Prozesse ===<br /> <br /> === Materialien ===<br /> <br /> == Software skills ==<br /> --&gt;<br /> <br /> == Trivia==<br /> * Member of the [[Karlsruhe School of Optics &amp; Photonics (KSOP)]]<br /> <br /> &lt;!-- Optionale Einträge wie Veröffentlichungen und Vorträge andere Wunschthemen --&gt;<br /> <br /> &lt;!-- Weitere Kategorien: FuEX, --&gt;<br /> [[Category:Doktoranden - PhD Students]]<br /> [[Category:F&amp;E3]]<br /> [[Category:KSOP]]</div>

Alexander.Opolka https://www.imt.kit.edu/wiki/index.php?title=File:Alexander_Opolka_wiki.jpg&diff=5807 2016-12-09T10:02:12Z

<p>Alexander.Opolka: </p> <hr /> <div></div>

Alexander.Opolka https://www.imt.kit.edu/wiki/index.php?title=File:Alexander.Opolka.20.11.89.jpg&diff=5806 2016-12-09T09:57:29Z

<p>Alexander.Opolka: </p> <hr /> <div></div>

Alexander.Opolka